<commit_before>/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for VIA VT17xx/VT18xx/VT20xx codec
 *
 *  (C) 2006-2009 VIA Technology, Inc.
 *  (C) 2006-2008 <NAME> <<EMAIL>>
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/* * * * * * * * * * * * * * Release History * * * * * * * * * * * * * * * * */
/*									     */
/* 2006-03-03  Lydia Wang  Create the basic patch to support VT1708 codec    */
/* 2006-03-14  Lydia Wang  Modify hard code for some pin widget nid	     */
/* 2006-08-02  Lydia Wang  Add support to VT1709 codec			     */
/* 2006-09-08  Lydia Wang  Fix internal loopback recording source select bug */
/* 2007-09-12  Lydia Wang  Add EAPD enable during driver initialization	     */
/* 2007-09-17  Lydia Wang  Add VT1708B codec support			    */
/* 2007-11-14  Lydia Wang  Add VT1708A codec HP and CD pin connect config    */
/* 2008-02-03  Lydia Wang  Fix Rear channels and Back channels inverse issue */
/* 2008-03-06  Lydia Wang  Add VT1702 codec and VT1708S codec support	     */
/* 2008-04-09  Lydia Wang  Add mute front speaker when HP plugin	     */
/* 2008-04-09  Lydia Wang  Add Independent HP feature			     */
/* 2008-05-28  Lydia Wang  Add second S/PDIF Out support for VT1702	     */
/* 2008-09-15  <NAME>	   Add VT1708S Mic Boost workaround/backdoor	     */
/* 2009-02-16  <NAME>	   Add support for VT1718S			     */
/* 2009-03-13  <NAME>	   Add support for VT1716S			     */
/* 2009-04-14  <NAME>  Add support for VT1828S and VT2020		     */
/* 2009-07-08  Lydia Wang  Add support for VT2002P			     */
/* 2009-07-21  Lydia Wang  Add support for VT1812			     */
/* 2009-09-19  <NAME>  Add support for VT1818S			     */
/*									     */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include "hda_codec.h"
#include "hda_local.h"

/* Pin Widget NID */
#define VT1708_HP_PIN_NID	0x20
#define VT1708_CD_PIN_NID	0x24

enum VIA_HDA_CODEC {
	UNKNOWN = -1,
	VT1708,
	VT1709_10CH,
	VT1709_6CH,
	VT1708B_8CH,
	VT1708B_4CH,
	VT1708S,
	VT1708BCE,
	VT1702,
	VT1718S,
	VT1716S,
	VT2002P,
	VT1812,
	VT1802,
	CODEC_TYPES,
};

#define VT2002P_COMPATIBLE(spec) \
	((spec)->codec_type == VT2002P ||\
	 (spec)->codec_type == VT1812 ||\
	 (spec)->codec_type == VT1802)

struct nid_path {
	int depth;
	hda_nid_t path[5];
	short idx[5];
};

struct via_spec {
	/* codec parameterization */
	const struct snd_kcontrol_new *mixers[6];
	unsigned int num_mixers;

	const struct hda_verb *init_verbs[5];
	unsigned int num_iverbs;

	char stream_name_analog[32];
	char stream_name_hp[32];
	const struct hda_pcm_stream *stream_analog_playback;
	const struct hda_pcm_stream *stream_analog_capture;

	char stream_name_digital[32];
	const struct hda_pcm_stream *stream_digital_playback;
	const struct hda_pcm_stream *stream_digital_capture;

	/* playback */
	struct hda_multi_out multiout;
	hda_nid_t slave_dig_outs[2];
	hda_nid_t hp_dac_nid;
	int num_active_streams;

	struct nid_path out_path[4];
	struct nid_path hp_path;
	struct nid_path hp_dep_path;
	struct nid_path speaker_path;

	/* capture */
	unsigned int num_adc_nids;
	hda_nid_t adc_nids[3];
	hda_nid_t mux_nids[3];
	hda_nid_t aa_mix_nid;
	hda_nid_t dig_in_nid;

	/* capture source */
	const struct hda_input_mux *input_mux;
	unsigned int cur_mux[3];

	/* PCM information */
	struct hda_pcm pcm_rec[3];

	/* dynamic controls, init_verbs and input_mux */
	struct auto_pin_cfg autocfg;
	struct snd_array kctls;
	struct hda_input_mux private_imux[2];
	hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];

	/* HP mode source */
	const struct hda_input_mux *hp_mux;
	unsigned int hp_independent_mode;
	unsigned int hp_independent_mode_index;
	unsigned int dmic_enabled;
	unsigned int no_pin_power_ctl;
	enum VIA_HDA_CODEC codec_type;

	/* smart51 setup */
	unsigned int smart51_nums;
	hda_nid_t smart51_pins[2];
	int smart51_idxs[2];
	const char *smart51_labels[2];
	unsigned int smart51_enabled;

	/* work to check hp jack state */
	struct hda_codec *codec;
	struct delayed_work vt1708_hp_work;
	int vt1708_jack_detect;
	int vt1708_hp_present;

	void (*set_widgets_power_state)(struct hda_codec *codec);

	struct hda_loopback_check loopback;
	int num_loopbacks;
	struct hda_amp_list loopback_list[8];
};

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec);
static struct via_spec * via_new_spec(struct hda_codec *codec)
{
	struct via_spec *spec;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return NULL;

	codec->spec = spec;
	spec->codec = codec;
	spec->codec_type = get_codec_type(codec);
	/* VT1708BCE & VT1708S are almost same */
	if (spec->codec_type == VT1708BCE)
		spec->codec_type = VT1708S;
	return spec;
}

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
{
	u32 vendor_id = codec->vendor_id;
	u16 ven_id = vendor_id >> 16;
	u16 dev_id = vendor_id & 0xffff;
	enum VIA_HDA_CODEC codec_type;

	/* get codec type */
	if (ven_id != 0x1106)
		codec_type = UNKNOWN;
	else if (dev_id >= 0x1708 && dev_id <= 0x170b)
		codec_type = VT1708;
	else if (dev_id >= 0xe710 && dev_id <= 0xe713)
		codec_type = VT1709_10CH;
	else if (dev_id >= 0xe714 && dev_id <= 0xe717)
		codec_type = VT1709_6CH;
	else if (dev_id >= 0xe720 && dev_id <= 0xe723) {
		codec_type = VT1708B_8CH;
		if (snd_hda_param_read(codec, 0x16, AC_PAR_CONNLIST_LEN) == 0x7)
			codec_type = VT1708BCE;
	} else if (dev_id >= 0xe724 && dev_id <= 0xe727)
		codec_type = VT1708B_4CH;
	else if ((dev_id & 0xfff) == 0x397
		 && (dev_id >> 12) < 8)
		codec_type = VT1708S;
	else if ((dev_id & 0xfff) == 0x398
		 && (dev_id >> 12) < 8)
		codec_type = VT1702;
	else if ((dev_id & 0xfff) == 0x428
		 && (dev_id >> 12) < 8)
		codec_type = VT1718S;
	else if (dev_id == 0x0433 || dev_id == 0xa721)
		codec_type = VT1716S;
	else if (dev_id == 0x0441 || dev_id == 0x4441)
		codec_type = VT1718S;
	else if (dev_id == 0x0438 || dev_id == 0x4438)
		codec_type = VT2002P;
	else if (dev_id == 0x0448)
		codec_type = VT1812;
	else if (dev_id == 0x0440)
		codec_type = VT1708S;
	else if ((dev_id & 0xfff) == 0x446)
		codec_type = VT1802;
	else
		codec_type = UNKNOWN;
	return codec_type;
};

#define VIA_JACK_EVENT		0x20
#define VIA_HP_EVENT		0x01
#define VIA_GPIO_EVENT		0x02
#define VIA_LINE_EVENT		0x03

enum {
	VIA_CTL_WIDGET_VOL,
	VIA_CTL_WIDGET_MUTE,
	VIA_CTL_WIDGET_ANALOG_MUTE,
};

static void analog_low_current_mode(struct hda_codec *codec);
static bool is_aa_path_mute(struct hda_codec *codec);

static void vt1708_start_hp_work(struct via_spec *spec)
{
	if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
		return;
	snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
			    !spec->vt1708_jack_detect);
	if (!delayed_work_pending(&spec->vt1708_hp_work))
		schedule_delayed_work(&spec->vt1708_hp_work,
				      msecs_to_jiffies(100));
}

static void vt1708_stop_hp_work(struct via_spec *spec)
{
	if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
		return;
	if (snd_hda_get_bool_hint(spec->codec, "analog_loopback_hp_detect") == 1
	    && !is_aa_path_mute(spec->codec))
		return;
	snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
			    !spec->vt1708_jack_detect);
	cancel_delayed_work_sync(&spec->vt1708_hp_work);
}

static void set_widgets_power_state(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	if (spec->set_widgets_power_state)
		spec->set_widgets_power_state(codec);
}

static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	int change = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);

	set_widgets_power_state(codec);
	analog_low_current_mode(snd_kcontrol_chip(kcontrol));
	if (snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1) {
		if (is_aa_path_mute(codec))
			vt1708_start_hp_work(codec->spec);
		else
			vt1708_stop_hp_work(codec->spec);
	}
	return change;
}

/* modify .put = snd_hda_mixer_amp_switch_put */
#define ANALOG_INPUT_MUTE						\
	{		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,		\
			.name = NULL,					\
			.index = 0,					\
			.info = snd_hda_mixer_amp_switch_info,		\
			.get = snd_hda_mixer_amp_switch_get,		\
			.put = analog_input_switch_put,			\
			.private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0) }

static const struct snd_kcontrol_new via_control_templates[] = {
	HDA_CODEC_VOLUME(NULL, 0, 0, 0),
	HDA_CODEC_MUTE(NULL, 0, 0, 0),
	ANALOG_INPUT_MUTE,
};


/* add dynamic controls */
static struct snd_kcontrol_new *__via_clone_ctl(struct via_spec *spec,
				const struct snd_kcontrol_new *tmpl,
				const char *name)
{
	struct snd_kcontrol_new *knew;

	snd_array_init(&spec->kctls, sizeof(*knew), 32);
	knew = snd_array_new(&spec->kctls);
	if (!knew)
		return NULL;
	*knew = *tmpl;
	if (!name)
		name = tmpl->name;
	if (name) {
		knew->name = kstrdup(name, GFP_KERNEL);
		if (!knew->name)
			return NULL;
	}
	return knew;
}

static int __via_add_control(struct via_spec *spec, int type, const char *name,
			     int idx, unsigned long val)
{
	struct snd_kcontrol_new *knew;

	knew = __via_clone_ctl(spec, &via_control_templates[type], name);
	if (!knew)
		return -ENOMEM;
	knew->index = idx;
	if (get_amp_nid_(val))
		knew->subdevice = HDA_SUBDEV_AMP_FLAG;
	knew->private_value = val;
	return 0;
}

#define via_add_control(spec, type, name, val) \
	__via_add_control(spec, type, name, 0, val)

#define via_clone_control(spec, tmpl) __via_clone_ctl(spec, tmpl, NULL)

static void via_free_kctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (spec->kctls.list) {
		struct snd_kcontrol_new *kctl = spec->kctls.list;
		int i;
		for (i = 0; i < spec->kctls.used; i++)
			kfree(kctl[i].name);
	}
	snd_array_free(&spec->kctls);
}

/* create input playback/capture controls for the given pin */
static int via_new_analog_input(struct via_spec *spec, const char *ctlname,
				int type_idx, int idx, int mix_nid)
{
	char name[32];
	int err;

	sprintf(name, "%s Playback Volume", ctlname);
	err = __via_add_control(spec, VIA_CTL_WIDGET_VOL, name, type_idx,
			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
	if (err < 0)
		return err;
	sprintf(name, "%s Playback Switch", ctlname);
	err = __via_add_control(spec, VIA_CTL_WIDGET_ANALOG_MUTE, name, type_idx,
			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
	if (err < 0)
		return err;
	return 0;
}

/* return the index of the given widget nid as the source of mux;
 * return -1 if not found;
 * if num_conns is non-NULL, set the total number of connections
 */
static int __get_connection_index(struct hda_codec *codec, hda_nid_t mux,
				  hda_nid_t nid, int *num_conns)
{
	hda_nid_t conn[HDA_MAX_NUM_INPUTS];
	int i, nums;

	nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
	if (num_conns)
		*num_conns = nums;
	for (i = 0; i < nums; i++)
		if (conn[i] == nid)
			return i;
	return -1;
}

#define get_connection_index(codec, mux, nid) \
	__get_connection_index(codec, mux, nid, NULL)

/* unmute input amp and select the specificed source */
static void unmute_and_select(struct hda_codec *codec, hda_nid_t nid,
			      hda_nid_t src, hda_nid_t mix)
{
	int idx, num_conns;

	idx = __get_connection_index(codec, nid, src, &num_conns);
	if (idx < 0)
		return;

	/* select the route explicitly when multiple connections exist */
	if (num_conns > 1)
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_CONNECT_SEL, idx);
	/* unmute if the input amp is present */
	if (!(query_amp_caps(codec, nid, HDA_INPUT) &
	      (AC_AMPCAP_NUM_STEPS | AC_AMPCAP_MUTE)))
		return;
	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
			    AMP_IN_UNMUTE(idx));

	/* unmute AA-path if present */
	if (!mix)
		return;
	idx = __get_connection_index(codec, nid, mix, NULL);
	if (idx >= 0)
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_IN_UNMUTE(idx));
}

/* set the given pin as output */
static void init_output_pin(struct hda_codec *codec, hda_nid_t pin,
			    int pin_type)
{
	if (!pin)
		return;
	snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
			    pin_type);
	if (snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD)
		snd_hda_codec_write(codec, pin, 0,
				    AC_VERB_SET_EAPD_BTLENABLE, 0x02);
}

static void via_auto_init_output(struct hda_codec *codec, hda_nid_t pin,
				 int pin_type, struct nid_path *path)
{
	struct via_spec *spec = codec->spec;
	unsigned int caps;
	hda_nid_t nid;
	int i;

	if (!pin)
		return;

	init_output_pin(codec, pin, pin_type);
	caps = query_amp_caps(codec, pin, HDA_OUTPUT);
	if (caps & AC_AMPCAP_MUTE) {
		unsigned int val;
		val = (caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT;
		snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_OUT_MUTE | val);
	}

	/* initialize the output path */
	nid = pin;
	for (i = 0; i < path->depth; i++) {
		unmute_and_select(codec, nid, path->idx[i], spec->aa_mix_nid);
		nid = path->path[i];
		if (query_amp_caps(codec, nid, HDA_OUTPUT) &
		    (AC_AMPCAP_NUM_STEPS | AC_AMPCAP_MUTE))
			snd_hda_codec_write(codec, nid, 0,
					    AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_OUT_UNMUTE);
	}
}


static void via_auto_init_multi_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->autocfg.line_outs + spec->smart51_nums; i++)
		via_auto_init_output(codec, spec->autocfg.line_out_pins[i],
				     PIN_OUT, &spec->out_path[i]);
}

static void via_auto_init_hp_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (spec->hp_dac_nid)
		via_auto_init_output(codec, spec->autocfg.hp_pins[0], PIN_HP,
				     &spec->hp_path);
	else
		via_auto_init_output(codec, spec->autocfg.hp_pins[0], PIN_HP,
				     &spec->hp_dep_path);
}

static void via_auto_init_speaker_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (spec->autocfg.speaker_outs)
		via_auto_init_output(codec, spec->autocfg.speaker_pins[0],
				     PIN_OUT, &spec->speaker_path);
}

static bool is_smart51_pins(struct hda_codec *codec, hda_nid_t pin);

static void via_auto_init_analog_input(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	hda_nid_t conn[HDA_MAX_CONNECTIONS];
	unsigned int ctl;
	int i, num_conns;

	/* init ADCs */
	for (i = 0; i < spec->num_adc_nids; i++) {
		snd_hda_codec_write(codec, spec->adc_nids[i], 0,
				    AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_IN_UNMUTE(0));
	}

	/* init pins */
	for (i = 0; i < cfg->num_inputs; i++) {
		hda_nid_t nid = cfg->inputs[i].pin;
		if (spec->smart51_enabled && is_smart51_pins(codec, nid))
			ctl = PIN_OUT;
		else if (cfg->inputs[i].type == AUTO_PIN_MIC)
			ctl = PIN_VREF50;
		else
			ctl = PIN_IN;
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL, ctl);
	}

	/* init input-src */
	for (i = 0; i < spec->num_adc_nids; i++) {
		const struct hda_input_mux *imux = spec->input_mux;
		if (!imux || !spec->mux_nids[i])
			continue;
		snd_hda_codec_write(codec, spec->mux_nids[i], 0,
				    AC_VERB_SET_CONNECT_SEL,
				    imux->items[spec->cur_mux[i]].index);
	}

	/* init aa-mixer */
	if (!spec->aa_mix_nid)
		return;
	num_conns = snd_hda_get_connections(codec, spec->aa_mix_nid, conn,
					    ARRAY_SIZE(conn));
	for (i = 0; i < num_conns; i++) {
		unsigned int caps = get_wcaps(codec, conn[i]);
		if (get_wcaps_type(caps) == AC_WID_PIN)
			snd_hda_codec_write(codec, spec->aa_mix_nid, 0,
					    AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_IN_MUTE(i));
	}
}

static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
				unsigned int *affected_parm)
{
	unsigned parm;
	unsigned def_conf = snd_hda_codec_get_pincfg(codec, nid);
	unsigned no_presence = (def_conf & AC_DEFCFG_MISC)
		>> AC_DEFCFG_MISC_SHIFT
		& AC_DEFCFG_MISC_NO_PRESENCE; /* do not support pin sense */
	struct via_spec *spec = codec->spec;
	unsigned present = 0;

	no_presence |= spec->no_pin_power_ctl;
	if (!no_presence)
		present = snd_hda_jack_detect(codec, nid);
	if ((spec->smart51_enabled && is_smart51_pins(codec, nid))
	    || ((no_presence || present)
		&& get_defcfg_connect(def_conf) != AC_JACK_PORT_NONE)) {
		*affected_parm = AC_PWRST_D0; /* if it's connected */
		parm = AC_PWRST_D0;
	} else
		parm = AC_PWRST_D3;

	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
}

static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
	static const char * const texts[] = {
		"Disabled", "Enabled"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

static int via_pin_power_ctl_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	ucontrol->value.enumerated.item[0] = !spec->no_pin_power_ctl;
	return 0;
}

static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int val = !ucontrol->value.enumerated.item[0];

	if (val == spec->no_pin_power_ctl)
		return 0;
	spec->no_pin_power_ctl = val;
	set_widgets_power_state(codec);
	return 1;
}

static const struct snd_kcontrol_new via_pin_power_ctl_enum = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Dynamic Power-Control",
	.info = via_pin_power_ctl_info,
	.get = via_pin_power_ctl_get,
	.put = via_pin_power_ctl_put,
};


/*
 * input MUX handling
 */
static int via_mux_enum_info(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	return snd_hda_input_mux_info(spec->input_mux, uinfo);
}

static int via_mux_enum_get(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);

	ucontrol->value.enumerated.item[0] = spec->cur_mux[adc_idx];
	return 0;
}

static int via_mux_enum_put(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	int ret;

	if (!spec->mux_nids[adc_idx])
		return -EINVAL;
	/* switch to D0 beofre change index */
	if (snd_hda_codec_read(codec, spec->mux_nids[adc_idx], 0,
			       AC_VERB_GET_POWER_STATE, 0x00) != AC_PWRST_D0)
		snd_hda_codec_write(codec, spec->mux_nids[adc_idx], 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);

	ret = snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
				     spec->mux_nids[adc_idx],
				     &spec->cur_mux[adc_idx]);
	/* update jack power state */
	set_widgets_power_state(codec);

	return ret;
}

static int via_independent_hp_info(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	return snd_hda_input_mux_info(spec->hp_mux, uinfo);
}

static int via_independent_hp_get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;

	ucontrol->value.enumerated.item[0] = spec->hp_independent_mode;
	return 0;
}

static int via_independent_hp_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	hda_nid_t nid = kcontrol->private_value;
	unsigned int pinsel = ucontrol->value.enumerated.item[0];
	/* Get Independent Mode index of headphone pin widget */
	spec->hp_independent_mode = spec->hp_independent_mode_index == pinsel
		? 1 : 0;
	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, pinsel);

	/* update jack power state */
	set_widgets_power_state(codec);
	return 0;
}

static const struct snd_kcontrol_new via_hp_mixer = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Independent HP",
	.info = via_independent_hp_info,
	.get = via_independent_hp_get,
	.put = via_independent_hp_put,
};

static int via_hp_build(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct snd_kcontrol_new *knew;
	hda_nid_t nid;

	nid = spec->autocfg.hp_pins[0];
	knew = via_clone_control(spec, &via_hp_mixer);
	if (knew == NULL)
		return -ENOMEM;

	knew->subdevice = HDA_SUBDEV_NID_FLAG | nid;
	knew->private_value = nid;

	return 0;
}

static void notify_aa_path_ctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->smart51_nums; i++) {
		struct snd_kcontrol *ctl;
		struct snd_ctl_elem_id id;
		memset(&id, 0, sizeof(id));
		id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
		sprintf(id.name, "%s Playback Volume", spec->smart51_labels[i]);
		ctl = snd_hda_find_mixer_ctl(codec, id.name);
		if (ctl)
			snd_ctl_notify(codec->bus->card,
					SNDRV_CTL_EVENT_MASK_VALUE,
					&ctl->id);
	}
}

static void mute_aa_path(struct hda_codec *codec, int mute)
{
	struct via_spec *spec = codec->spec;
	int val = mute ? HDA_AMP_MUTE : HDA_AMP_UNMUTE;
	int i;

	/* check AA path's mute status */
	for (i = 0; i < spec->smart51_nums; i++) {
		if (spec->smart51_idxs[i] < 0)
			continue;
		snd_hda_codec_amp_stereo(codec, spec->aa_mix_nid,
					 HDA_INPUT, spec->smart51_idxs[i],
					 HDA_AMP_MUTE, val);
	}
}

static bool is_smart51_candidate(struct hda_codec *codec, hda_nid_t pin)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	int i;

	for (i = 0; i < cfg->num_inputs; i++) {
		unsigned int defcfg;
		if (pin != cfg->inputs[i].pin)
			continue;
		if (cfg->inputs[i].type > AUTO_PIN_LINE_IN)
			return false;
		defcfg = snd_hda_codec_get_pincfg(codec, pin);
		if (snd_hda_get_input_pin_attr(defcfg) < INPUT_PIN_ATTR_NORMAL)
			return false;
		return true;
	}
	return false;
}

static bool is_smart51_pins(struct hda_codec *codec, hda_nid_t pin)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->smart51_nums; i++)
		if (spec->smart51_pins[i] == pin)
			return true;
	return false;
}

static int via_smart51_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int via_smart51_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	int on = 1;
	int i;

	for (i = 0; i < spec->smart51_nums; i++) {
		hda_nid_t nid = spec->smart51_pins[i];
		unsigned int ctl;
		ctl = snd_hda_codec_read(codec, nid, 0,
					 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
		if ((ctl & AC_PINCTL_IN_EN) && !(ctl & AC_PINCTL_OUT_EN))
			on = 0;
	}
	*ucontrol->value.integer.value = on;
	return 0;
}

static int via_smart51_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	int out_in = *ucontrol->value.integer.value
		? AC_PINCTL_OUT_EN : AC_PINCTL_IN_EN;
	int i;

	for (i = 0; i < spec->smart51_nums; i++) {
		hda_nid_t nid = spec->smart51_pins[i];
		unsigned int parm;

		parm = snd_hda_codec_read(codec, nid, 0,
					  AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
		parm &= ~(AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN);
		parm |= out_in;
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    parm);
		if (out_in == AC_PINCTL_OUT_EN) {
			mute_aa_path(codec, 1);
			notify_aa_path_ctls(codec);
		}
	}
	spec->smart51_enabled = *ucontrol->value.integer.value;
	set_widgets_power_state(codec);
	return 1;
}

static const struct snd_kcontrol_new via_smart51_mixer = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Smart 5.1",
	.count = 1,
	.info = via_smart51_info,
	.get = via_smart51_get,
	.put = via_smart51_put,
};

static int via_smart51_build(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (!spec->smart51_nums)
		return 0;
	if (!via_clone_control(spec, &via_smart51_mixer))
		return -ENOMEM;
	return 0;
}

/* check AA path's mute status */
static bool is_aa_path_mute(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct hda_amp_list *p;
	int i, ch, v;

	for (i = 0; i < spec->num_loopbacks; i++) {
		p = &spec->loopback_list[i];
		for (ch = 0; ch < 2; ch++) {
			v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
						   p->idx);
			if (!(v & HDA_AMP_MUTE) && v > 0)
				return false;
		}
	}
	return true;
}

/* enter/exit analog low-current mode */
static void analog_low_current_mode(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	bool enable;
	unsigned int verb, parm;

	enable = is_aa_path_mute(codec) && (spec->num_active_streams > 0);

	/* decide low current mode's verb & parameter */
	switch (spec->codec_type) {
	case VT1708B_8CH:
	case VT1708B_4CH:
		verb = 0xf70;
		parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
		break;
	case VT1708S:
	case VT1718S:
	case VT1716S:
		verb = 0xf73;
		parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
		break;
	case VT1702:
		verb = 0xf73;
		parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
		break;
	case VT2002P:
	case VT1812:
	case VT1802:
		verb = 0xf93;
		parm = enable ? 0x00 : 0xe0; /* 0x00: 4/40x, 0xe0: 1x */
		break;
	default:
		return;		/* other codecs are not supported */
	}
	/* send verb */
	snd_hda_codec_write(codec, codec->afg, 0, verb, parm);
}

/*
 * generic initialization of ADC, input mixers and output mixers
 */
static const struct hda_verb vt1708_init_verbs[] = {
	/* power down jack detect function */
	{0x1, 0xf81, 0x1},
	{ }
};

static void set_stream_active(struct hda_codec *codec, bool active)
{
	struct via_spec *spec = codec->spec;

	if (active)
		spec->num_active_streams++;
	else
		spec->num_active_streams--;
	analog_low_current_mode(codec);
}

static int via_playback_multi_pcm_open(struct hda_pcm_stream *hinfo,
				 struct hda_codec *codec,
				 struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	int err;

	if (!spec->hp_independent_mode)
		spec->multiout.hp_nid = spec->hp_dac_nid;
	set_stream_active(codec, true);
	err = snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
					    hinfo);
	if (err < 0) {
		spec->multiout.hp_nid = 0;
		set_stream_active(codec, false);
		return err;
	}
	return 0;
}

static int via_playback_multi_pcm_close(struct hda_pcm_stream *hinfo,
				  struct hda_codec *codec,
				  struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	spec->multiout.hp_nid = 0;
	set_stream_active(codec, false);
	return 0;
}

static int via_playback_hp_pcm_open(struct hda_pcm_stream *hinfo,
				    struct hda_codec *codec,
				    struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	if (snd_BUG_ON(!spec->hp_dac_nid))
		return -EINVAL;
	if (!spec->hp_independent_mode || spec->multiout.hp_nid)
		return -EBUSY;
	set_stream_active(codec, true);
	return 0;
}

static int via_playback_hp_pcm_close(struct hda_pcm_stream *hinfo,
				     struct hda_codec *codec,
				     struct snd_pcm_substream *substream)
{
	set_stream_active(codec, false);
	return 0;
}

static int via_playback_multi_pcm_prepare(struct hda_pcm_stream *hinfo,
					  struct hda_codec *codec,
					  unsigned int stream_tag,
					  unsigned int format,
					  struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_multi_out_analog_prepare(codec, &spec->multiout, stream_tag,
					 format, substream);
	vt1708_start_hp_work(spec);
	return 0;
}

static int via_playback_hp_pcm_prepare(struct hda_pcm_stream *hinfo,
				       struct hda_codec *codec,
				       unsigned int stream_tag,
				       unsigned int format,
				       struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_codec_setup_stream(codec, spec->hp_dac_nid,
				   stream_tag, 0, format);
	vt1708_start_hp_work(spec);
	return 0;
}

static int via_playback_multi_pcm_cleanup(struct hda_pcm_stream *hinfo,
				    struct hda_codec *codec,
				    struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
	vt1708_stop_hp_work(spec);
	return 0;
}

static int via_playback_hp_pcm_cleanup(struct hda_pcm_stream *hinfo,
				       struct hda_codec *codec,
				       struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_codec_setup_stream(codec, spec->hp_dac_nid, 0, 0, 0);
	vt1708_stop_hp_work(spec);
	return 0;
}

/*
 * Digital out
 */
static int via_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
				     struct hda_codec *codec,
				     struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int via_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
				      struct hda_codec *codec,
				      struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int via_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					unsigned int stream_tag,
					unsigned int format,
					struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
					     stream_tag, format, substream);
}

static int via_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
	return 0;
}

/*
 * Analog capture
 */
static int via_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
				   struct hda_codec *codec,
				   unsigned int stream_tag,
				   unsigned int format,
				   struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
				   stream_tag, 0, format);
	return 0;
}

static int via_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
				   struct hda_codec *codec,
				   struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
	return 0;
}

static const struct hda_pcm_stream via_pcm_analog_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 8,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_playback_multi_pcm_open,
		.close = via_playback_multi_pcm_close,
		.prepare = via_playback_multi_pcm_prepare,
		.cleanup = via_playback_multi_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_hp_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_playback_hp_pcm_open,
		.close = via_playback_hp_pcm_close,
		.prepare = via_playback_hp_pcm_prepare,
		.cleanup = via_playback_hp_pcm_cleanup
	},
};

static const struct hda_pcm_stream vt1708_pcm_analog_s16_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 8,
	/* NID is set in via_build_pcms */
	/* We got noisy outputs on the right channel on VT1708 when
	 * 24bit samples are used.  Until any workaround is found,
	 * disable the 24bit format, so far.
	 */
	.formats = SNDRV_PCM_FMTBIT_S16_LE,
	.ops = {
		.open = via_playback_multi_pcm_open,
		.close = via_playback_multi_pcm_close,
		.prepare = via_playback_multi_pcm_prepare,
		.cleanup = via_playback_multi_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_analog_capture = {
	.substreams = 1, /* will be changed in via_build_pcms() */
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.prepare = via_capture_pcm_prepare,
		.cleanup = via_capture_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_digital_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_dig_playback_pcm_open,
		.close = via_dig_playback_pcm_close,
		.prepare = via_dig_playback_pcm_prepare,
		.cleanup = via_dig_playback_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_digital_capture = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
};

/*
 * slave controls for virtual master
 */
static const char * const via_slave_vols[] = {
	"Front Playback Volume",
	"Surround Playback Volume",
	"Center Playback Volume",
	"LFE Playback Volume",
	"Side Playback Volume",
	"Headphone Playback Volume",
	"Speaker Playback Volume",
	NULL,
};

static const char * const via_slave_sws[] = {
	"Front Playback Switch",
	"Surround Playback Switch",
	"Center Playback Switch",
	"LFE Playback Switch",
	"Side Playback Switch",
	"Headphone Playback Switch",
	"Speaker Playback Switch",
	NULL,
};

static int via_build_controls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct snd_kcontrol *kctl;
	int err, i;

	if (spec->set_widgets_power_state)
		if (!via_clone_control(spec, &via_pin_power_ctl_enum))
			return -ENOMEM;

	for (i = 0; i < spec->num_mixers; i++) {
		err = snd_hda_add_new_ctls(codec, spec->mixers[i]);
		if (err < 0)
			return err;
	}

	if (spec->multiout.dig_out_nid) {
		err = snd_hda_create_spdif_out_ctls(codec,
						    spec->multiout.dig_out_nid,
						    spec->multiout.dig_out_nid);
		if (err < 0)
			return err;
		err = snd_hda_create_spdif_share_sw(codec,
						    &spec->multiout);
		if (err < 0)
			return err;
		spec->multiout.share_spdif = 1;
	}
	if (spec->dig_in_nid) {
		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
		if (err < 0)
			return err;
	}

	/* if we have no master control, let's create it */
	if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
		unsigned int vmaster_tlv[4];
		snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
					HDA_OUTPUT, vmaster_tlv);
		err = snd_hda_add_vmaster(codec, "Master Playback Volume",
					  vmaster_tlv, via_slave_vols);
		if (err < 0)
			return err;
	}
	if (!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
		err = snd_hda_add_vmaster(codec, "Master Playback Switch",
					  NULL, via_slave_sws);
		if (err < 0)
			return err;
	}

	/* assign Capture Source enums to NID */
	kctl = snd_hda_find_mixer_ctl(codec, "Input Source");
	for (i = 0; kctl && i < kctl->count; i++) {
		err = snd_hda_add_nid(codec, kctl, i, spec->mux_nids[i]);
		if (err < 0)
			return err;
	}

	/* init power states */
	set_widgets_power_state(codec);
	analog_low_current_mode(codec);

	via_free_kctls(codec); /* no longer needed */
	return 0;
}

static int via_build_pcms(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct hda_pcm *info = spec->pcm_rec;

	codec->num_pcms = 1;
	codec->pcm_info = info;

	snprintf(spec->stream_name_analog, sizeof(spec->stream_name_analog),
		 "%s Analog", codec->chip_name);
	info->name = spec->stream_name_analog;

	if (!spec->stream_analog_playback)
		spec->stream_analog_playback = &via_pcm_analog_playback;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
		*spec->stream_analog_playback;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
		spec->multiout.dac_nids[0];
	info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
		spec->multiout.max_channels;

	if (!spec->stream_analog_capture)
		spec->stream_analog_capture = &via_pcm_analog_capture;
	info->stream[SNDRV_PCM_STREAM_CAPTURE] =
		*spec->stream_analog_capture;
	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0];
	info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams =
		spec->num_adc_nids;

	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
		codec->num_pcms++;
		info++;
		snprintf(spec->stream_name_digital,
			 sizeof(spec->stream_name_digital),
			 "%s Digital", codec->chip_name);
		info->name = spec->stream_name_digital;
		info->pcm_type = HDA_PCM_TYPE_SPDIF;
		if (spec->multiout.dig_out_nid) {
			if (!spec->stream_digital_playback)
				spec->stream_digital_playback =
					&via_pcm_digital_playback;
			info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
				*spec->stream_digital_playback;
			info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
				spec->multiout.dig_out_nid;
		}
		if (spec->dig_in_nid) {
			if (!spec->stream_digital_capture)
				spec->stream_digital_capture =
					&via_pcm_digital_capture;
			info->stream[SNDRV_PCM_STREAM_CAPTURE] =
				*spec->stream_digital_capture;
			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
				spec->dig_in_nid;
		}
	}

	if (spec->hp_dac_nid) {
		codec->num_pcms++;
		info++;
		snprintf(spec->stream_name_hp, sizeof(spec->stream_name_hp),
			 "%s HP", codec->chip_name);
		info->name = spec->stream_name_hp;
		info->stream[SNDRV_PCM_STREAM_PLAYBACK] = via_pcm_hp_playback;
		info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
			spec->hp_dac_nid;
	}
	return 0;
}

static void via_free(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (!spec)
		return;

	via_free_kctls(codec);
	vt1708_stop_hp_work(spec);
	kfree(codec->spec);
}

/* mute/unmute outputs */
static void toggle_output_mutes(struct hda_codec *codec, int num_pins,
				hda_nid_t *pins, bool mute)
{
	int i;
	for (i = 0; i < num_pins; i++)
		snd_hda_codec_write(codec, pins[i], 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    mute ? 0 : PIN_OUT);
}

/* mute internal speaker if line-out is plugged */
static void via_line_automute(struct hda_codec *codec, int present)
{
	struct via_spec *spec = codec->spec;

	if (!spec->autocfg.speaker_outs)
		return;
	if (!present)
		present = snd_hda_jack_detect(codec,
					      spec->autocfg.line_out_pins[0]);
	toggle_output_mutes(codec, spec->autocfg.speaker_outs,
			    spec->autocfg.speaker_pins,
			    present);
}

/* mute internal speaker if HP is plugged */
static void via_hp_automute(struct hda_codec *codec)
{
	int present = 0;
	struct via_spec *spec = codec->spec;

	if (!spec->hp_independent_mode && spec->autocfg.hp_pins[0]) {
		present = snd_hda_jack_detect(codec, spec->autocfg.hp_pins[0]);
		toggle_output_mutes(codec, spec->autocfg.line_outs,
				    spec->autocfg.line_out_pins,
				    present);
	}
	via_line_automute(codec, present);
}

static void via_gpio_control(struct hda_codec *codec)
{
	unsigned int gpio_data;
	unsigned int vol_counter;
	unsigned int vol;
	unsigned int master_vol;

	struct via_spec *spec = codec->spec;

	gpio_data = snd_hda_codec_read(codec, codec->afg, 0,
				       AC_VERB_GET_GPIO_DATA, 0) & 0x03;

	vol_counter = (snd_hda_codec_read(codec, codec->afg, 0,
					  0xF84, 0) & 0x3F0000) >> 16;

	vol = vol_counter & 0x1F;
	master_vol = snd_hda_codec_read(codec, 0x1A, 0,
					AC_VERB_GET_AMP_GAIN_MUTE,
					AC_AMP_GET_INPUT);

	if (gpio_data == 0x02) {
		/* unmute line out */
		snd_hda_codec_write(codec, spec->autocfg.line_out_pins[0], 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    PIN_OUT);
		if (vol_counter & 0x20) {
			/* decrease volume */
			if (vol > master_vol)
				vol = master_vol;
			snd_hda_codec_amp_stereo(codec, 0x1A, HDA_INPUT,
						 0, HDA_AMP_VOLMASK,
						 master_vol-vol);
		} else {
			/* increase volume */
			snd_hda_codec_amp_stereo(codec, 0x1A, HDA_INPUT, 0,
					 HDA_AMP_VOLMASK,
					 ((master_vol+vol) > 0x2A) ? 0x2A :
					  (master_vol+vol));
		}
	} else if (!(gpio_data & 0x02)) {
		/* mute line out */
		snd_hda_codec_write(codec, spec->autocfg.line_out_pins[0], 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    0);
	}
}

/* unsolicited event for jack sensing */
static void via_unsol_event(struct hda_codec *codec,
				  unsigned int res)
{
	res >>= 26;

	if (res & VIA_JACK_EVENT)
		set_widgets_power_state(codec);

	res &= ~VIA_JACK_EVENT;

	if (res == VIA_HP_EVENT)
		via_hp_automute(codec);
	else if (res == VIA_GPIO_EVENT)
		via_gpio_control(codec);
	else if (res == VIA_LINE_EVENT)
		via_line_automute(codec, false);
}

#ifdef SND_HDA_NEEDS_RESUME
static int via_suspend(struct hda_codec *codec, pm_message_t state)
{
	struct via_spec *spec = codec->spec;
	vt1708_stop_hp_work(spec);
	return 0;
}
#endif

#ifdef CONFIG_SND_HDA_POWER_SAVE
static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
}
#endif

/*
 */

static int via_init(struct hda_codec *codec);

static const struct hda_codec_ops via_patch_ops = {
	.build_controls = via_build_controls,
	.build_pcms = via_build_pcms,
	.init = via_init,
	.free = via_free,
	.unsol_event = via_unsol_event,
#ifdef SND_HDA_NEEDS_RESUME
	.suspend = via_suspend,
#endif
#ifdef CONFIG_SND_HDA_POWER_SAVE
	.check_power_status = via_check_power_status,
#endif
};

static bool is_empty_dac(struct hda_codec *codec, hda_nid_t dac)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->multiout.num_dacs; i++) {
		if (spec->multiout.dac_nids[i] == dac)
			return false;
	}
	if (spec->hp_dac_nid == dac)
		return false;
	return true;
}

static bool parse_output_path(struct hda_codec *codec, hda_nid_t nid,
			      hda_nid_t target_dac, struct nid_path *path,
			      int depth, int wid_type)
{
	hda_nid_t conn[8];
	int i, nums;

	nums = snd_hda_get_connections(codec, nid, conn, ARRAY_SIZE(conn));
	for (i = 0; i < nums; i++) {
		if (get_wcaps_type(get_wcaps(codec, conn[i])) != AC_WID_AUD_OUT)
			continue;
		if (conn[i] == target_dac || is_empty_dac(codec, conn[i])) {
			path->path[depth] = conn[i];
			path->idx[depth] = i;
			path->depth = ++depth;
			return true;
		}
	}
	if (depth > 4)
		return false;
	for (i = 0; i < nums; i++) {
		unsigned int type;
		type = get_wcaps_type(get_wcaps(codec, conn[i]));
		if (type == AC_WID_AUD_OUT ||
		    (wid_type != -1 && type != wid_type))
			continue;
		if (parse_output_path(codec, conn[i], target_dac,
				      path, depth + 1, AC_WID_AUD_SEL)) {
			path->path[depth] = conn[i];
			path->idx[depth] = i;
			return true;
		}
	}
	return false;
}

static int via_auto_fill_dac_nids(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	int i;
	hda_nid_t nid;

	spec->multiout.dac_nids = spec->private_dac_nids;
	spec->multiout.num_dacs = cfg->line_outs;
	for (i = 0; i < cfg->line_outs; i++) {
		nid = cfg->line_out_pins[i];
		if (!nid)
			continue;
		if (parse_output_path(codec, nid, 0, &spec->out_path[i], 0, -1))
			spec->private_dac_nids[i] =
				spec->out_path[i].path[spec->out_path[i].depth - 1];
	}
	return 0;
}

static int create_ch_ctls(struct hda_codec *codec, const char *pfx,
			  hda_nid_t pin, hda_nid_t dac, int chs)
{
	struct via_spec *spec = codec->spec;
	char name[32];
	hda_nid_t nid;
	int err;

	if (dac && query_amp_caps(codec, dac, HDA_OUTPUT) & AC_AMPCAP_NUM_STEPS)
		nid = dac;
	else if (query_amp_caps(codec, pin, HDA_OUTPUT) & AC_AMPCAP_NUM_STEPS)
		nid = pin;
	else
		nid = 0;
	if (nid) {
		sprintf(name, "%s Playback Volume", pfx);
		err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
			      HDA_COMPOSE_AMP_VAL(dac, chs, 0, HDA_OUTPUT));
		if (err < 0)
			return err;
	}

	if (dac && query_amp_caps(codec, dac, HDA_OUTPUT) & AC_AMPCAP_MUTE)
		nid = dac;
	else if (query_amp_caps(codec, pin, HDA_OUTPUT) & AC_AMPCAP_MUTE)
		nid = pin;
	else
		nid = 0;
	if (nid) {
		sprintf(name, "%s Playback Switch", pfx);
		err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
			      HDA_COMPOSE_AMP_VAL(nid, chs, 0, HDA_OUTPUT));
		if (err < 0)
			return err;
	}
	return 0;
}

static void mangle_smart51(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;
	int i, nums = 0;

	for (i = 0; i < cfg->num_inputs; i++) {
		if (is_smart51_candidate(codec, cfg->inputs[i].pin))
			nums++;
	}
	if (cfg->line_outs + nums < 3)
		return;
	for (i = 0; i < cfg->num_inputs; i++) {
		if (!is_smart51_candidate(codec, cfg->inputs[i].pin))
			continue;
		spec->smart51_pins[spec->smart51_nums++] = cfg->inputs[i].pin;
		cfg->line_out_pins[cfg->line_outs++] = cfg->inputs[i].pin;
		if (cfg->line_outs == 3)
			break;
	}
}

/* add playback controls from the parsed DAC table */
static int via_auto_create_multi_out_ctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;
	static const char * const chname[4] = {
		"Front", "Surround", "C/LFE", "Side"
	};
	int i, idx, err;
	int old_line_outs;

	/* check smart51 */
	old_line_outs = cfg->line_outs;
	if (cfg->line_outs == 1)
		mangle_smart51(codec);

	err = via_auto_fill_dac_nids(codec);
	if (err < 0)
		return err;

	for (i = 0; i < cfg->line_outs; i++) {
		hda_nid_t pin, dac;
		pin = cfg->line_out_pins[i];
		dac = spec->multiout.dac_nids[i];
		if (!pin || !dac)
			continue;
		if (i == HDA_CLFE) {
			err = create_ch_ctls(codec, "Center", pin, dac, 1);
			if (err < 0)
				return err;
			err = create_ch_ctls(codec, "LFE", pin, dac, 2);
			if (err < 0)
				return err;
		} else {
			const char *pfx = chname[i];
			if (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT &&
			    cfg->line_outs == 1)
				pfx = "Speaker";
			err = create_ch_ctls(codec, pfx, pin, dac, 3);
			if (err < 0)
				return err;
		}
	}

	idx = get_connection_index(codec, spec->aa_mix_nid,
				   spec->multiout.dac_nids[0]);
	if (idx >= 0) {
		/* add control to mixer */
		err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
				      "PCM Playback Volume",
				      HDA_COMPOSE_AMP_VAL(spec->aa_mix_nid, 3,
							  idx, HDA_INPUT));
		if (err < 0)
			return err;
		err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
				      "PCM Playback Switch",
				      HDA_COMPOSE_AMP_VAL(spec->aa_mix_nid, 3,
							  idx, HDA_INPUT));
		if (err < 0)
			return err;
	}

	cfg->line_outs = old_line_outs;

	return 0;
}

static void create_hp_imux(struct via_spec *spec)
{
	int i;
	struct hda_input_mux *imux = &spec->private_imux[1];
	static const char * const texts[] = { "OFF", "ON", NULL};

	/* for hp mode select */
	for (i = 0; texts[i]; i++)
		snd_hda_add_imux_item(imux, texts[i], i, NULL);

	spec->hp_mux = &spec->private_imux[1];
}

static int via_auto_create_hp_ctls(struct hda_codec *codec, hda_nid_t pin)
{
	struct via_spec *spec = codec->spec;
	int err;

	if (!pin)
		return 0;

	if (parse_output_path(codec, pin, 0, &spec->hp_path, 0, -1)) {
		spec->hp_dac_nid = spec->hp_path.path[spec->hp_path.depth - 1];
		spec->hp_independent_mode_index =
			spec->hp_path.idx[spec->hp_path.depth - 1];
		create_hp_imux(spec);
	}

	if (!parse_output_path(codec, pin, spec->multiout.dac_nids[HDA_FRONT],
			       &spec->hp_dep_path, 0, -1) &&
	    !spec->hp_dac_nid)
		return 0;


	err = create_ch_ctls(codec, "Headphone", pin, spec->hp_dac_nid, 3);
	if (err < 0)
		return err;

	return 0;
}

static int via_auto_create_speaker_ctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t pin, dac;

	pin = spec->autocfg.speaker_pins[0];
	if (!spec->autocfg.speaker_outs || !pin)
		return 0;

	if (parse_output_path(codec, pin, 0, &spec->speaker_path, 0, -1)) {
		dac = spec->speaker_path.path[spec->speaker_path.depth - 1];
		spec->multiout.extra_out_nid[0] = dac;
		return create_ch_ctls(codec, "Speaker", pin, dac, 3);
	}
	if (parse_output_path(codec, pin, spec->multiout.dac_nids[HDA_FRONT],
			      &spec->speaker_path, 0, -1))
		return create_ch_ctls(codec, "Headphone", pin, 0, 3);

	return 0;
}

/* look for ADCs */
static int via_fill_adcs(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t nid = codec->start_nid;
	int i;

	for (i = 0; i < codec->num_nodes; i++, nid++) {
		unsigned int wcaps = get_wcaps(codec, nid);
		if (get_wcaps_type(wcaps) != AC_WID_AUD_IN)
			continue;
		if (wcaps & AC_WCAP_DIGITAL)
			continue;
		if (!(wcaps & AC_WCAP_CONN_LIST))<commit_msg>ALSA: hda - Revisit output_path parsing in patch_via.c<commit_after>/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for VIA VT17xx/VT18xx/VT20xx codec
 *
 *  (C) 2006-2009 VIA Technology, Inc.
 *  (C) 2006-2008 <NAME> <<EMAIL>>
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/* * * * * * * * * * * * * * Release History * * * * * * * * * * * * * * * * */
/*									     */
/* 2006-03-03  <NAME>  Create the basic patch to support VT1708 codec    */
/* 2006-03-14  <NAME>  Modify hard code for some pin widget nid	     */
/* 2006-08-02  <NAME>  Add support to VT1709 codec			     */
/* 2006-09-08  <NAME>  Fix internal loopback recording source select bug */
/* 2007-09-12  <NAME>  Add EAPD enable during driver initialization	     */
/* 2007-09-17  <NAME>  Add VT1708B codec support			    */
/* 2007-11-14  <NAME>  Add VT1708A codec HP and CD pin connect config    */
/* 2008-02-03  <NAME>  Fix Rear channels and Back channels inverse issue */
/* 2008-03-06  <NAME>  Add VT1702 codec and VT1708S codec support	     */
/* 2008-04-09  <NAME>  Add mute front speaker when HP plugin	     */
/* 2008-04-09  <NAME>  Add Independent HP feature			     */
/* 2008-05-28  <NAME>  Add second S/PDIF Out support for VT1702	     */
/* 2008-09-15  <NAME>	   Add VT1708S Mic Boost workaround/backdoor	     */
/* 2009-02-16  <NAME>	   Add support for VT1718S			     */
/* 2009-03-13  <NAME>	   Add support for VT1716S			     */
/* 2009-04-14  <NAME>  Add support for VT1828S and VT2020		     */
/* 2009-07-08  <NAME>  Add support for VT2002P			     */
/* 2009-07-21  <NAME>  Add support for VT1812			     */
/* 2009-09-19  <NAME>  Add support for VT1818S			     */
/*									     */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include "hda_codec.h"
#include "hda_local.h"

/* Pin Widget NID */
#define VT1708_HP_PIN_NID	0x20
#define VT1708_CD_PIN_NID	0x24

enum VIA_HDA_CODEC {
	UNKNOWN = -1,
	VT1708,
	VT1709_10CH,
	VT1709_6CH,
	VT1708B_8CH,
	VT1708B_4CH,
	VT1708S,
	VT1708BCE,
	VT1702,
	VT1718S,
	VT1716S,
	VT2002P,
	VT1812,
	VT1802,
	CODEC_TYPES,
};

#define VT2002P_COMPATIBLE(spec) \
	((spec)->codec_type == VT2002P ||\
	 (spec)->codec_type == VT1812 ||\
	 (spec)->codec_type == VT1802)

#define MAX_NID_PATH_DEPTH	5

struct nid_path {
	int depth;
	hda_nid_t path[MAX_NID_PATH_DEPTH];
	short idx[MAX_NID_PATH_DEPTH];
};

struct via_spec {
	/* codec parameterization */
	const struct snd_kcontrol_new *mixers[6];
	unsigned int num_mixers;

	const struct hda_verb *init_verbs[5];
	unsigned int num_iverbs;

	char stream_name_analog[32];
	char stream_name_hp[32];
	const struct hda_pcm_stream *stream_analog_playback;
	const struct hda_pcm_stream *stream_analog_capture;

	char stream_name_digital[32];
	const struct hda_pcm_stream *stream_digital_playback;
	const struct hda_pcm_stream *stream_digital_capture;

	/* playback */
	struct hda_multi_out multiout;
	hda_nid_t slave_dig_outs[2];
	hda_nid_t hp_dac_nid;
	int num_active_streams;

	struct nid_path out_path[4];
	struct nid_path hp_path;
	struct nid_path hp_dep_path;
	struct nid_path speaker_path;

	/* capture */
	unsigned int num_adc_nids;
	hda_nid_t adc_nids[3];
	hda_nid_t mux_nids[3];
	hda_nid_t aa_mix_nid;
	hda_nid_t dig_in_nid;

	/* capture source */
	const struct hda_input_mux *input_mux;
	unsigned int cur_mux[3];

	/* PCM information */
	struct hda_pcm pcm_rec[3];

	/* dynamic controls, init_verbs and input_mux */
	struct auto_pin_cfg autocfg;
	struct snd_array kctls;
	struct hda_input_mux private_imux[2];
	hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];

	/* HP mode source */
	const struct hda_input_mux *hp_mux;
	unsigned int hp_independent_mode;
	unsigned int hp_independent_mode_index;
	unsigned int dmic_enabled;
	unsigned int no_pin_power_ctl;
	enum VIA_HDA_CODEC codec_type;

	/* smart51 setup */
	unsigned int smart51_nums;
	hda_nid_t smart51_pins[2];
	int smart51_idxs[2];
	const char *smart51_labels[2];
	unsigned int smart51_enabled;

	/* work to check hp jack state */
	struct hda_codec *codec;
	struct delayed_work vt1708_hp_work;
	int vt1708_jack_detect;
	int vt1708_hp_present;

	void (*set_widgets_power_state)(struct hda_codec *codec);

	struct hda_loopback_check loopback;
	int num_loopbacks;
	struct hda_amp_list loopback_list[8];
};

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec);
static struct via_spec * via_new_spec(struct hda_codec *codec)
{
	struct via_spec *spec;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return NULL;

	codec->spec = spec;
	spec->codec = codec;
	spec->codec_type = get_codec_type(codec);
	/* VT1708BCE & VT1708S are almost same */
	if (spec->codec_type == VT1708BCE)
		spec->codec_type = VT1708S;
	return spec;
}

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
{
	u32 vendor_id = codec->vendor_id;
	u16 ven_id = vendor_id >> 16;
	u16 dev_id = vendor_id & 0xffff;
	enum VIA_HDA_CODEC codec_type;

	/* get codec type */
	if (ven_id != 0x1106)
		codec_type = UNKNOWN;
	else if (dev_id >= 0x1708 && dev_id <= 0x170b)
		codec_type = VT1708;
	else if (dev_id >= 0xe710 && dev_id <= 0xe713)
		codec_type = VT1709_10CH;
	else if (dev_id >= 0xe714 && dev_id <= 0xe717)
		codec_type = VT1709_6CH;
	else if (dev_id >= 0xe720 && dev_id <= 0xe723) {
		codec_type = VT1708B_8CH;
		if (snd_hda_param_read(codec, 0x16, AC_PAR_CONNLIST_LEN) == 0x7)
			codec_type = VT1708BCE;
	} else if (dev_id >= 0xe724 && dev_id <= 0xe727)
		codec_type = VT1708B_4CH;
	else if ((dev_id & 0xfff) == 0x397
		 && (dev_id >> 12) < 8)
		codec_type = VT1708S;
	else if ((dev_id & 0xfff) == 0x398
		 && (dev_id >> 12) < 8)
		codec_type = VT1702;
	else if ((dev_id & 0xfff) == 0x428
		 && (dev_id >> 12) < 8)
		codec_type = VT1718S;
	else if (dev_id == 0x0433 || dev_id == 0xa721)
		codec_type = VT1716S;
	else if (dev_id == 0x0441 || dev_id == 0x4441)
		codec_type = VT1718S;
	else if (dev_id == 0x0438 || dev_id == 0x4438)
		codec_type = VT2002P;
	else if (dev_id == 0x0448)
		codec_type = VT1812;
	else if (dev_id == 0x0440)
		codec_type = VT1708S;
	else if ((dev_id & 0xfff) == 0x446)
		codec_type = VT1802;
	else
		codec_type = UNKNOWN;
	return codec_type;
};

#define VIA_JACK_EVENT		0x20
#define VIA_HP_EVENT		0x01
#define VIA_GPIO_EVENT		0x02
#define VIA_LINE_EVENT		0x03

enum {
	VIA_CTL_WIDGET_VOL,
	VIA_CTL_WIDGET_MUTE,
	VIA_CTL_WIDGET_ANALOG_MUTE,
};

static void analog_low_current_mode(struct hda_codec *codec);
static bool is_aa_path_mute(struct hda_codec *codec);

static void vt1708_start_hp_work(struct via_spec *spec)
{
	if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
		return;
	snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
			    !spec->vt1708_jack_detect);
	if (!delayed_work_pending(&spec->vt1708_hp_work))
		schedule_delayed_work(&spec->vt1708_hp_work,
				      msecs_to_jiffies(100));
}

static void vt1708_stop_hp_work(struct via_spec *spec)
{
	if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
		return;
	if (snd_hda_get_bool_hint(spec->codec, "analog_loopback_hp_detect") == 1
	    && !is_aa_path_mute(spec->codec))
		return;
	snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
			    !spec->vt1708_jack_detect);
	cancel_delayed_work_sync(&spec->vt1708_hp_work);
}

static void set_widgets_power_state(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	if (spec->set_widgets_power_state)
		spec->set_widgets_power_state(codec);
}

static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	int change = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);

	set_widgets_power_state(codec);
	analog_low_current_mode(snd_kcontrol_chip(kcontrol));
	if (snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1) {
		if (is_aa_path_mute(codec))
			vt1708_start_hp_work(codec->spec);
		else
			vt1708_stop_hp_work(codec->spec);
	}
	return change;
}

/* modify .put = snd_hda_mixer_amp_switch_put */
#define ANALOG_INPUT_MUTE						\
	{		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,		\
			.name = NULL,					\
			.index = 0,					\
			.info = snd_hda_mixer_amp_switch_info,		\
			.get = snd_hda_mixer_amp_switch_get,		\
			.put = analog_input_switch_put,			\
			.private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0) }

static const struct snd_kcontrol_new via_control_templates[] = {
	HDA_CODEC_VOLUME(NULL, 0, 0, 0),
	HDA_CODEC_MUTE(NULL, 0, 0, 0),
	ANALOG_INPUT_MUTE,
};


/* add dynamic controls */
static struct snd_kcontrol_new *__via_clone_ctl(struct via_spec *spec,
				const struct snd_kcontrol_new *tmpl,
				const char *name)
{
	struct snd_kcontrol_new *knew;

	snd_array_init(&spec->kctls, sizeof(*knew), 32);
	knew = snd_array_new(&spec->kctls);
	if (!knew)
		return NULL;
	*knew = *tmpl;
	if (!name)
		name = tmpl->name;
	if (name) {
		knew->name = kstrdup(name, GFP_KERNEL);
		if (!knew->name)
			return NULL;
	}
	return knew;
}

static int __via_add_control(struct via_spec *spec, int type, const char *name,
			     int idx, unsigned long val)
{
	struct snd_kcontrol_new *knew;

	knew = __via_clone_ctl(spec, &via_control_templates[type], name);
	if (!knew)
		return -ENOMEM;
	knew->index = idx;
	if (get_amp_nid_(val))
		knew->subdevice = HDA_SUBDEV_AMP_FLAG;
	knew->private_value = val;
	return 0;
}

#define via_add_control(spec, type, name, val) \
	__via_add_control(spec, type, name, 0, val)

#define via_clone_control(spec, tmpl) __via_clone_ctl(spec, tmpl, NULL)

static void via_free_kctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (spec->kctls.list) {
		struct snd_kcontrol_new *kctl = spec->kctls.list;
		int i;
		for (i = 0; i < spec->kctls.used; i++)
			kfree(kctl[i].name);
	}
	snd_array_free(&spec->kctls);
}

/* create input playback/capture controls for the given pin */
static int via_new_analog_input(struct via_spec *spec, const char *ctlname,
				int type_idx, int idx, int mix_nid)
{
	char name[32];
	int err;

	sprintf(name, "%s Playback Volume", ctlname);
	err = __via_add_control(spec, VIA_CTL_WIDGET_VOL, name, type_idx,
			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
	if (err < 0)
		return err;
	sprintf(name, "%s Playback Switch", ctlname);
	err = __via_add_control(spec, VIA_CTL_WIDGET_ANALOG_MUTE, name, type_idx,
			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
	if (err < 0)
		return err;
	return 0;
}

/* return the index of the given widget nid as the source of mux;
 * return -1 if not found;
 * if num_conns is non-NULL, set the total number of connections
 */
static int __get_connection_index(struct hda_codec *codec, hda_nid_t mux,
				  hda_nid_t nid, int *num_conns)
{
	hda_nid_t conn[HDA_MAX_NUM_INPUTS];
	int i, nums;

	nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
	if (num_conns)
		*num_conns = nums;
	for (i = 0; i < nums; i++)
		if (conn[i] == nid)
			return i;
	return -1;
}

#define get_connection_index(codec, mux, nid) \
	__get_connection_index(codec, mux, nid, NULL)

/* unmute input amp and select the specificed source */
static void unmute_and_select(struct hda_codec *codec, hda_nid_t nid,
			      hda_nid_t src, hda_nid_t mix)
{
	int idx, num_conns;

	idx = __get_connection_index(codec, nid, src, &num_conns);
	if (idx < 0)
		return;

	/* select the route explicitly when multiple connections exist */
	if (num_conns > 1 &&
	    get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_AUD_MIX)
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_CONNECT_SEL, idx);

	/* unmute if the input amp is present */
	if (query_amp_caps(codec, nid, HDA_INPUT) &
	    (AC_AMPCAP_NUM_STEPS | AC_AMPCAP_MUTE))
		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_IN_UNMUTE(idx));

	/* unmute the src output */
	if (query_amp_caps(codec, src, HDA_OUTPUT) &
	    (AC_AMPCAP_NUM_STEPS | AC_AMPCAP_MUTE))
		snd_hda_codec_write(codec, src, 0, AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_OUT_UNMUTE);

	/* unmute AA-path if present */
	if (!mix)
		return;
	idx = __get_connection_index(codec, nid, mix, NULL);
	if (idx >= 0)
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_IN_UNMUTE(idx));
}

/* set the given pin as output */
static void init_output_pin(struct hda_codec *codec, hda_nid_t pin,
			    int pin_type)
{
	if (!pin)
		return;
	snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
			    pin_type);
	if (snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD)
		snd_hda_codec_write(codec, pin, 0,
				    AC_VERB_SET_EAPD_BTLENABLE, 0x02);
}

static void via_auto_init_output(struct hda_codec *codec, hda_nid_t pin,
				 int pin_type, struct nid_path *path)
{
	struct via_spec *spec = codec->spec;
	unsigned int caps;
	hda_nid_t nid;
	int i;

	if (!pin)
		return;

	init_output_pin(codec, pin, pin_type);
	caps = query_amp_caps(codec, pin, HDA_OUTPUT);
	if (caps & AC_AMPCAP_MUTE) {
		unsigned int val;
		val = (caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT;
		snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_OUT_MUTE | val);
	}

	/* initialize the output path */
	for (i = path->depth - 1; i > 0; i--) {
		nid = path->path[i - 1];
		unmute_and_select(codec, path->path[i], nid, spec->aa_mix_nid);
	}
}


static void via_auto_init_multi_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->autocfg.line_outs + spec->smart51_nums; i++)
		via_auto_init_output(codec, spec->autocfg.line_out_pins[i],
				     PIN_OUT, &spec->out_path[i]);
}

static void via_auto_init_hp_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (spec->hp_dac_nid)
		via_auto_init_output(codec, spec->autocfg.hp_pins[0], PIN_HP,
				     &spec->hp_path);
	else
		via_auto_init_output(codec, spec->autocfg.hp_pins[0], PIN_HP,
				     &spec->hp_dep_path);
}

static void via_auto_init_speaker_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (spec->autocfg.speaker_outs)
		via_auto_init_output(codec, spec->autocfg.speaker_pins[0],
				     PIN_OUT, &spec->speaker_path);
}

static bool is_smart51_pins(struct hda_codec *codec, hda_nid_t pin);

static void via_auto_init_analog_input(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	hda_nid_t conn[HDA_MAX_CONNECTIONS];
	unsigned int ctl;
	int i, num_conns;

	/* init ADCs */
	for (i = 0; i < spec->num_adc_nids; i++) {
		snd_hda_codec_write(codec, spec->adc_nids[i], 0,
				    AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_IN_UNMUTE(0));
	}

	/* init pins */
	for (i = 0; i < cfg->num_inputs; i++) {
		hda_nid_t nid = cfg->inputs[i].pin;
		if (spec->smart51_enabled && is_smart51_pins(codec, nid))
			ctl = PIN_OUT;
		else if (cfg->inputs[i].type == AUTO_PIN_MIC)
			ctl = PIN_VREF50;
		else
			ctl = PIN_IN;
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL, ctl);
	}

	/* init input-src */
	for (i = 0; i < spec->num_adc_nids; i++) {
		const struct hda_input_mux *imux = spec->input_mux;
		if (!imux || !spec->mux_nids[i])
			continue;
		snd_hda_codec_write(codec, spec->mux_nids[i], 0,
				    AC_VERB_SET_CONNECT_SEL,
				    imux->items[spec->cur_mux[i]].index);
	}

	/* init aa-mixer */
	if (!spec->aa_mix_nid)
		return;
	num_conns = snd_hda_get_connections(codec, spec->aa_mix_nid, conn,
					    ARRAY_SIZE(conn));
	for (i = 0; i < num_conns; i++) {
		unsigned int caps = get_wcaps(codec, conn[i]);
		if (get_wcaps_type(caps) == AC_WID_PIN)
			snd_hda_codec_write(codec, spec->aa_mix_nid, 0,
					    AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_IN_MUTE(i));
	}
}

static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
				unsigned int *affected_parm)
{
	unsigned parm;
	unsigned def_conf = snd_hda_codec_get_pincfg(codec, nid);
	unsigned no_presence = (def_conf & AC_DEFCFG_MISC)
		>> AC_DEFCFG_MISC_SHIFT
		& AC_DEFCFG_MISC_NO_PRESENCE; /* do not support pin sense */
	struct via_spec *spec = codec->spec;
	unsigned present = 0;

	no_presence |= spec->no_pin_power_ctl;
	if (!no_presence)
		present = snd_hda_jack_detect(codec, nid);
	if ((spec->smart51_enabled && is_smart51_pins(codec, nid))
	    || ((no_presence || present)
		&& get_defcfg_connect(def_conf) != AC_JACK_PORT_NONE)) {
		*affected_parm = AC_PWRST_D0; /* if it's connected */
		parm = AC_PWRST_D0;
	} else
		parm = AC_PWRST_D3;

	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
}

static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
	static const char * const texts[] = {
		"Disabled", "Enabled"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

static int via_pin_power_ctl_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	ucontrol->value.enumerated.item[0] = !spec->no_pin_power_ctl;
	return 0;
}

static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int val = !ucontrol->value.enumerated.item[0];

	if (val == spec->no_pin_power_ctl)
		return 0;
	spec->no_pin_power_ctl = val;
	set_widgets_power_state(codec);
	return 1;
}

static const struct snd_kcontrol_new via_pin_power_ctl_enum = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Dynamic Power-Control",
	.info = via_pin_power_ctl_info,
	.get = via_pin_power_ctl_get,
	.put = via_pin_power_ctl_put,
};


/*
 * input MUX handling
 */
static int via_mux_enum_info(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	return snd_hda_input_mux_info(spec->input_mux, uinfo);
}

static int via_mux_enum_get(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);

	ucontrol->value.enumerated.item[0] = spec->cur_mux[adc_idx];
	return 0;
}

static int via_mux_enum_put(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	int ret;

	if (!spec->mux_nids[adc_idx])
		return -EINVAL;
	/* switch to D0 beofre change index */
	if (snd_hda_codec_read(codec, spec->mux_nids[adc_idx], 0,
			       AC_VERB_GET_POWER_STATE, 0x00) != AC_PWRST_D0)
		snd_hda_codec_write(codec, spec->mux_nids[adc_idx], 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);

	ret = snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
				     spec->mux_nids[adc_idx],
				     &spec->cur_mux[adc_idx]);
	/* update jack power state */
	set_widgets_power_state(codec);

	return ret;
}

static int via_independent_hp_info(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	return snd_hda_input_mux_info(spec->hp_mux, uinfo);
}

static int via_independent_hp_get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;

	ucontrol->value.enumerated.item[0] = spec->hp_independent_mode;
	return 0;
}

static int via_independent_hp_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	hda_nid_t nid = kcontrol->private_value;
	unsigned int pinsel = ucontrol->value.enumerated.item[0];
	/* Get Independent Mode index of headphone pin widget */
	spec->hp_independent_mode = spec->hp_independent_mode_index == pinsel
		? 1 : 0;
	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, pinsel);

	/* update jack power state */
	set_widgets_power_state(codec);
	return 0;
}

static const struct snd_kcontrol_new via_hp_mixer = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Independent HP",
	.info = via_independent_hp_info,
	.get = via_independent_hp_get,
	.put = via_independent_hp_put,
};

static int via_hp_build(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct snd_kcontrol_new *knew;
	hda_nid_t nid;

	nid = spec->autocfg.hp_pins[0];
	knew = via_clone_control(spec, &via_hp_mixer);
	if (knew == NULL)
		return -ENOMEM;

	knew->subdevice = HDA_SUBDEV_NID_FLAG | nid;
	knew->private_value = nid;

	return 0;
}

static void notify_aa_path_ctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->smart51_nums; i++) {
		struct snd_kcontrol *ctl;
		struct snd_ctl_elem_id id;
		memset(&id, 0, sizeof(id));
		id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
		sprintf(id.name, "%s Playback Volume", spec->smart51_labels[i]);
		ctl = snd_hda_find_mixer_ctl(codec, id.name);
		if (ctl)
			snd_ctl_notify(codec->bus->card,
					SNDRV_CTL_EVENT_MASK_VALUE,
					&ctl->id);
	}
}

static void mute_aa_path(struct hda_codec *codec, int mute)
{
	struct via_spec *spec = codec->spec;
	int val = mute ? HDA_AMP_MUTE : HDA_AMP_UNMUTE;
	int i;

	/* check AA path's mute status */
	for (i = 0; i < spec->smart51_nums; i++) {
		if (spec->smart51_idxs[i] < 0)
			continue;
		snd_hda_codec_amp_stereo(codec, spec->aa_mix_nid,
					 HDA_INPUT, spec->smart51_idxs[i],
					 HDA_AMP_MUTE, val);
	}
}

static bool is_smart51_candidate(struct hda_codec *codec, hda_nid_t pin)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	int i;

	for (i = 0; i < cfg->num_inputs; i++) {
		unsigned int defcfg;
		if (pin != cfg->inputs[i].pin)
			continue;
		if (cfg->inputs[i].type > AUTO_PIN_LINE_IN)
			return false;
		defcfg = snd_hda_codec_get_pincfg(codec, pin);
		if (snd_hda_get_input_pin_attr(defcfg) < INPUT_PIN_ATTR_NORMAL)
			return false;
		return true;
	}
	return false;
}

static bool is_smart51_pins(struct hda_codec *codec, hda_nid_t pin)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->smart51_nums; i++)
		if (spec->smart51_pins[i] == pin)
			return true;
	return false;
}

static int via_smart51_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int via_smart51_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	int on = 1;
	int i;

	for (i = 0; i < spec->smart51_nums; i++) {
		hda_nid_t nid = spec->smart51_pins[i];
		unsigned int ctl;
		ctl = snd_hda_codec_read(codec, nid, 0,
					 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
		if ((ctl & AC_PINCTL_IN_EN) && !(ctl & AC_PINCTL_OUT_EN))
			on = 0;
	}
	*ucontrol->value.integer.value = on;
	return 0;
}

static int via_smart51_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	int out_in = *ucontrol->value.integer.value
		? AC_PINCTL_OUT_EN : AC_PINCTL_IN_EN;
	int i;

	for (i = 0; i < spec->smart51_nums; i++) {
		hda_nid_t nid = spec->smart51_pins[i];
		unsigned int parm;

		parm = snd_hda_codec_read(codec, nid, 0,
					  AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
		parm &= ~(AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN);
		parm |= out_in;
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    parm);
		if (out_in == AC_PINCTL_OUT_EN) {
			mute_aa_path(codec, 1);
			notify_aa_path_ctls(codec);
		}
	}
	spec->smart51_enabled = *ucontrol->value.integer.value;
	set_widgets_power_state(codec);
	return 1;
}

static const struct snd_kcontrol_new via_smart51_mixer = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Smart 5.1",
	.count = 1,
	.info = via_smart51_info,
	.get = via_smart51_get,
	.put = via_smart51_put,
};

static int via_smart51_build(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (!spec->smart51_nums)
		return 0;
	if (!via_clone_control(spec, &via_smart51_mixer))
		return -ENOMEM;
	return 0;
}

/* check AA path's mute status */
static bool is_aa_path_mute(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct hda_amp_list *p;
	int i, ch, v;

	for (i = 0; i < spec->num_loopbacks; i++) {
		p = &spec->loopback_list[i];
		for (ch = 0; ch < 2; ch++) {
			v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
						   p->idx);
			if (!(v & HDA_AMP_MUTE) && v > 0)
				return false;
		}
	}
	return true;
}

/* enter/exit analog low-current mode */
static void analog_low_current_mode(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	bool enable;
	unsigned int verb, parm;

	enable = is_aa_path_mute(codec) && (spec->num_active_streams > 0);

	/* decide low current mode's verb & parameter */
	switch (spec->codec_type) {
	case VT1708B_8CH:
	case VT1708B_4CH:
		verb = 0xf70;
		parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
		break;
	case VT1708S:
	case VT1718S:
	case VT1716S:
		verb = 0xf73;
		parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
		break;
	case VT1702:
		verb = 0xf73;
		parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
		break;
	case VT2002P:
	case VT1812:
	case VT1802:
		verb = 0xf93;
		parm = enable ? 0x00 : 0xe0; /* 0x00: 4/40x, 0xe0: 1x */
		break;
	default:
		return;		/* other codecs are not supported */
	}
	/* send verb */
	snd_hda_codec_write(codec, codec->afg, 0, verb, parm);
}

/*
 * generic initialization of ADC, input mixers and output mixers
 */
static const struct hda_verb vt1708_init_verbs[] = {
	/* power down jack detect function */
	{0x1, 0xf81, 0x1},
	{ }
};

static void set_stream_active(struct hda_codec *codec, bool active)
{
	struct via_spec *spec = codec->spec;

	if (active)
		spec->num_active_streams++;
	else
		spec->num_active_streams--;
	analog_low_current_mode(codec);
}

static int via_playback_multi_pcm_open(struct hda_pcm_stream *hinfo,
				 struct hda_codec *codec,
				 struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	int err;

	if (!spec->hp_independent_mode)
		spec->multiout.hp_nid = spec->hp_dac_nid;
	set_stream_active(codec, true);
	err = snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
					    hinfo);
	if (err < 0) {
		spec->multiout.hp_nid = 0;
		set_stream_active(codec, false);
		return err;
	}
	return 0;
}

static int via_playback_multi_pcm_close(struct hda_pcm_stream *hinfo,
				  struct hda_codec *codec,
				  struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	spec->multiout.hp_nid = 0;
	set_stream_active(codec, false);
	return 0;
}

static int via_playback_hp_pcm_open(struct hda_pcm_stream *hinfo,
				    struct hda_codec *codec,
				    struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	if (snd_BUG_ON(!spec->hp_dac_nid))
		return -EINVAL;
	if (!spec->hp_independent_mode || spec->multiout.hp_nid)
		return -EBUSY;
	set_stream_active(codec, true);
	return 0;
}

static int via_playback_hp_pcm_close(struct hda_pcm_stream *hinfo,
				     struct hda_codec *codec,
				     struct snd_pcm_substream *substream)
{
	set_stream_active(codec, false);
	return 0;
}

static int via_playback_multi_pcm_prepare(struct hda_pcm_stream *hinfo,
					  struct hda_codec *codec,
					  unsigned int stream_tag,
					  unsigned int format,
					  struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_multi_out_analog_prepare(codec, &spec->multiout, stream_tag,
					 format, substream);
	vt1708_start_hp_work(spec);
	return 0;
}

static int via_playback_hp_pcm_prepare(struct hda_pcm_stream *hinfo,
				       struct hda_codec *codec,
				       unsigned int stream_tag,
				       unsigned int format,
				       struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_codec_setup_stream(codec, spec->hp_dac_nid,
				   stream_tag, 0, format);
	vt1708_start_hp_work(spec);
	return 0;
}

static int via_playback_multi_pcm_cleanup(struct hda_pcm_stream *hinfo,
				    struct hda_codec *codec,
				    struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
	vt1708_stop_hp_work(spec);
	return 0;
}

static int via_playback_hp_pcm_cleanup(struct hda_pcm_stream *hinfo,
				       struct hda_codec *codec,
				       struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_codec_setup_stream(codec, spec->hp_dac_nid, 0, 0, 0);
	vt1708_stop_hp_work(spec);
	return 0;
}

/*
 * Digital out
 */
static int via_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
				     struct hda_codec *codec,
				     struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int via_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
				      struct hda_codec *codec,
				      struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int via_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					unsigned int stream_tag,
					unsigned int format,
					struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
					     stream_tag, format, substream);
}

static int via_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
					struct hda_codec *codec,
					struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
	return 0;
}

/*
 * Analog capture
 */
static int via_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
				   struct hda_codec *codec,
				   unsigned int stream_tag,
				   unsigned int format,
				   struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;

	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
				   stream_tag, 0, format);
	return 0;
}

static int via_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
				   struct hda_codec *codec,
				   struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
	return 0;
}

static const struct hda_pcm_stream via_pcm_analog_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 8,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_playback_multi_pcm_open,
		.close = via_playback_multi_pcm_close,
		.prepare = via_playback_multi_pcm_prepare,
		.cleanup = via_playback_multi_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_hp_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_playback_hp_pcm_open,
		.close = via_playback_hp_pcm_close,
		.prepare = via_playback_hp_pcm_prepare,
		.cleanup = via_playback_hp_pcm_cleanup
	},
};

static const struct hda_pcm_stream vt1708_pcm_analog_s16_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 8,
	/* NID is set in via_build_pcms */
	/* We got noisy outputs on the right channel on VT1708 when
	 * 24bit samples are used.  Until any workaround is found,
	 * disable the 24bit format, so far.
	 */
	.formats = SNDRV_PCM_FMTBIT_S16_LE,
	.ops = {
		.open = via_playback_multi_pcm_open,
		.close = via_playback_multi_pcm_close,
		.prepare = via_playback_multi_pcm_prepare,
		.cleanup = via_playback_multi_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_analog_capture = {
	.substreams = 1, /* will be changed in via_build_pcms() */
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.prepare = via_capture_pcm_prepare,
		.cleanup = via_capture_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_digital_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_dig_playback_pcm_open,
		.close = via_dig_playback_pcm_close,
		.prepare = via_dig_playback_pcm_prepare,
		.cleanup = via_dig_playback_pcm_cleanup
	},
};

static const struct hda_pcm_stream via_pcm_digital_capture = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
};

/*
 * slave controls for virtual master
 */
static const char * const via_slave_vols[] = {
	"Front Playback Volume",
	"Surround Playback Volume",
	"Center Playback Volume",
	"LFE Playback Volume",
	"Side Playback Volume",
	"Headphone Playback Volume",
	"Speaker Playback Volume",
	NULL,
};

static const char * const via_slave_sws[] = {
	"Front Playback Switch",
	"Surround Playback Switch",
	"Center Playback Switch",
	"LFE Playback Switch",
	"Side Playback Switch",
	"Headphone Playback Switch",
	"Speaker Playback Switch",
	NULL,
};

static int via_build_controls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct snd_kcontrol *kctl;
	int err, i;

	if (spec->set_widgets_power_state)
		if (!via_clone_control(spec, &via_pin_power_ctl_enum))
			return -ENOMEM;

	for (i = 0; i < spec->num_mixers; i++) {
		err = snd_hda_add_new_ctls(codec, spec->mixers[i]);
		if (err < 0)
			return err;
	}

	if (spec->multiout.dig_out_nid) {
		err = snd_hda_create_spdif_out_ctls(codec,
						    spec->multiout.dig_out_nid,
						    spec->multiout.dig_out_nid);
		if (err < 0)
			return err;
		err = snd_hda_create_spdif_share_sw(codec,
						    &spec->multiout);
		if (err < 0)
			return err;
		spec->multiout.share_spdif = 1;
	}
	if (spec->dig_in_nid) {
		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
		if (err < 0)
			return err;
	}

	/* if we have no master control, let's create it */
	if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
		unsigned int vmaster_tlv[4];
		snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
					HDA_OUTPUT, vmaster_tlv);
		err = snd_hda_add_vmaster(codec, "Master Playback Volume",
					  vmaster_tlv, via_slave_vols);
		if (err < 0)
			return err;
	}
	if (!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
		err = snd_hda_add_vmaster(codec, "Master Playback Switch",
					  NULL, via_slave_sws);
		if (err < 0)
			return err;
	}

	/* assign Capture Source enums to NID */
	kctl = snd_hda_find_mixer_ctl(codec, "Input Source");
	for (i = 0; kctl && i < kctl->count; i++) {
		err = snd_hda_add_nid(codec, kctl, i, spec->mux_nids[i]);
		if (err < 0)
			return err;
	}

	/* init power states */
	set_widgets_power_state(codec);
	analog_low_current_mode(codec);

	via_free_kctls(codec); /* no longer needed */
	return 0;
}

static int via_build_pcms(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct hda_pcm *info = spec->pcm_rec;

	codec->num_pcms = 1;
	codec->pcm_info = info;

	snprintf(spec->stream_name_analog, sizeof(spec->stream_name_analog),
		 "%s Analog", codec->chip_name);
	info->name = spec->stream_name_analog;

	if (!spec->stream_analog_playback)
		spec->stream_analog_playback = &via_pcm_analog_playback;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
		*spec->stream_analog_playback;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
		spec->multiout.dac_nids[0];
	info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
		spec->multiout.max_channels;

	if (!spec->stream_analog_capture)
		spec->stream_analog_capture = &via_pcm_analog_capture;
	info->stream[SNDRV_PCM_STREAM_CAPTURE] =
		*spec->stream_analog_capture;
	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0];
	info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams =
		spec->num_adc_nids;

	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
		codec->num_pcms++;
		info++;
		snprintf(spec->stream_name_digital,
			 sizeof(spec->stream_name_digital),
			 "%s Digital", codec->chip_name);
		info->name = spec->stream_name_digital;
		info->pcm_type = HDA_PCM_TYPE_SPDIF;
		if (spec->multiout.dig_out_nid) {
			if (!spec->stream_digital_playback)
				spec->stream_digital_playback =
					&via_pcm_digital_playback;
			info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
				*spec->stream_digital_playback;
			info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
				spec->multiout.dig_out_nid;
		}
		if (spec->dig_in_nid) {
			if (!spec->stream_digital_capture)
				spec->stream_digital_capture =
					&via_pcm_digital_capture;
			info->stream[SNDRV_PCM_STREAM_CAPTURE] =
				*spec->stream_digital_capture;
			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
				spec->dig_in_nid;
		}
	}

	if (spec->hp_dac_nid) {
		codec->num_pcms++;
		info++;
		snprintf(spec->stream_name_hp, sizeof(spec->stream_name_hp),
			 "%s HP", codec->chip_name);
		info->name = spec->stream_name_hp;
		info->stream[SNDRV_PCM_STREAM_PLAYBACK] = via_pcm_hp_playback;
		info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
			spec->hp_dac_nid;
	}
	return 0;
}

static void via_free(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;

	if (!spec)
		return;

	via_free_kctls(codec);
	vt1708_stop_hp_work(spec);
	kfree(codec->spec);
}

/* mute/unmute outputs */
static void toggle_output_mutes(struct hda_codec *codec, int num_pins,
				hda_nid_t *pins, bool mute)
{
	int i;
	for (i = 0; i < num_pins; i++)
		snd_hda_codec_write(codec, pins[i], 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    mute ? 0 : PIN_OUT);
}

/* mute internal speaker if line-out is plugged */
static void via_line_automute(struct hda_codec *codec, int present)
{
	struct via_spec *spec = codec->spec;

	if (!spec->autocfg.speaker_outs)
		return;
	if (!present)
		present = snd_hda_jack_detect(codec,
					      spec->autocfg.line_out_pins[0]);
	toggle_output_mutes(codec, spec->autocfg.speaker_outs,
			    spec->autocfg.speaker_pins,
			    present);
}

/* mute internal speaker if HP is plugged */
static void via_hp_automute(struct hda_codec *codec)
{
	int present = 0;
	struct via_spec *spec = codec->spec;

	if (!spec->hp_independent_mode && spec->autocfg.hp_pins[0]) {
		present = snd_hda_jack_detect(codec, spec->autocfg.hp_pins[0]);
		toggle_output_mutes(codec, spec->autocfg.line_outs,
				    spec->autocfg.line_out_pins,
				    present);
	}
	via_line_automute(codec, present);
}

static void via_gpio_control(struct hda_codec *codec)
{
	unsigned int gpio_data;
	unsigned int vol_counter;
	unsigned int vol;
	unsigned int master_vol;

	struct via_spec *spec = codec->spec;

	gpio_data = snd_hda_codec_read(codec, codec->afg, 0,
				       AC_VERB_GET_GPIO_DATA, 0) & 0x03;

	vol_counter = (snd_hda_codec_read(codec, codec->afg, 0,
					  0xF84, 0) & 0x3F0000) >> 16;

	vol = vol_counter & 0x1F;
	master_vol = snd_hda_codec_read(codec, 0x1A, 0,
					AC_VERB_GET_AMP_GAIN_MUTE,
					AC_AMP_GET_INPUT);

	if (gpio_data == 0x02) {
		/* unmute line out */
		snd_hda_codec_write(codec, spec->autocfg.line_out_pins[0], 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    PIN_OUT);
		if (vol_counter & 0x20) {
			/* decrease volume */
			if (vol > master_vol)
				vol = master_vol;
			snd_hda_codec_amp_stereo(codec, 0x1A, HDA_INPUT,
						 0, HDA_AMP_VOLMASK,
						 master_vol-vol);
		} else {
			/* increase volume */
			snd_hda_codec_amp_stereo(codec, 0x1A, HDA_INPUT, 0,
					 HDA_AMP_VOLMASK,
					 ((master_vol+vol) > 0x2A) ? 0x2A :
					  (master_vol+vol));
		}
	} else if (!(gpio_data & 0x02)) {
		/* mute line out */
		snd_hda_codec_write(codec, spec->autocfg.line_out_pins[0], 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    0);
	}
}

/* unsolicited event for jack sensing */
static void via_unsol_event(struct hda_codec *codec,
				  unsigned int res)
{
	res >>= 26;

	if (res & VIA_JACK_EVENT)
		set_widgets_power_state(codec);

	res &= ~VIA_JACK_EVENT;

	if (res == VIA_HP_EVENT)
		via_hp_automute(codec);
	else if (res == VIA_GPIO_EVENT)
		via_gpio_control(codec);
	else if (res == VIA_LINE_EVENT)
		via_line_automute(codec, false);
}

#ifdef SND_HDA_NEEDS_RESUME
static int via_suspend(struct hda_codec *codec, pm_message_t state)
{
	struct via_spec *spec = codec->spec;
	vt1708_stop_hp_work(spec);
	return 0;
}
#endif

#ifdef CONFIG_SND_HDA_POWER_SAVE
static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
}
#endif

/*
 */

static int via_init(struct hda_codec *codec);

static const struct hda_codec_ops via_patch_ops = {
	.build_controls = via_build_controls,
	.build_pcms = via_build_pcms,
	.init = via_init,
	.free = via_free,
	.unsol_event = via_unsol_event,
#ifdef SND_HDA_NEEDS_RESUME
	.suspend = via_suspend,
#endif
#ifdef CONFIG_SND_HDA_POWER_SAVE
	.check_power_status = via_check_power_status,
#endif
};

static bool is_empty_dac(struct hda_codec *codec, hda_nid_t dac)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->multiout.num_dacs; i++) {
		if (spec->multiout.dac_nids[i] == dac)
			return false;
	}
	if (spec->hp_dac_nid == dac)
		return false;
	return true;
}

static bool __parse_output_path(struct hda_codec *codec, hda_nid_t nid,
			      hda_nid_t target_dac, struct nid_path *path,
			      int depth, int wid_type)
{
	hda_nid_t conn[8];
	int i, nums;

	nums = snd_hda_get_connections(codec, nid, conn, ARRAY_SIZE(conn));
	for (i = 0; i < nums; i++) {
		if (get_wcaps_type(get_wcaps(codec, conn[i])) != AC_WID_AUD_OUT)
			continue;
		if (conn[i] == target_dac || is_empty_dac(codec, conn[i])) {
			path->path[0] = conn[i];
			path->idx[0] = i;
			path->depth = 1;
			return true;
		}
	}
	if (depth >= MAX_NID_PATH_DEPTH)
		return false;
	for (i = 0; i < nums; i++) {
		unsigned int type;
		type = get_wcaps_type(get_wcaps(codec, conn[i]));
		if (type == AC_WID_AUD_OUT ||
		    (wid_type != -1 && type != wid_type))
			continue;
		if (__parse_output_path(codec, conn[i], target_dac,
				      path, depth + 1, AC_WID_AUD_SEL)) {
			path->path[path->depth] = conn[i];
			path->idx[path->depth] = i;
			path->depth++;
			return true;
		}
	}
	return false;
}

static bool parse_output_path(struct hda_codec *codec, hda_nid_t nid,
			      hda_nid_t target_dac, struct nid_path *path)
{
	if (__parse_output_path(codec, nid, target_dac, path, 1, -1)) {
		path->path[path->depth] = nid;
		path->depth++;
		return true;
	}
	return false;
}

static int via_auto_fill_dac_nids(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	int i;
	hda_nid_t nid;

	spec->multiout.dac_nids = spec->private_dac_nids;
	spec->multiout.num_dacs = cfg->line_outs;
	for (i = 0; i < cfg->line_outs; i++) {
		nid = cfg->line_out_pins[i];
		if (!nid)
			continue;
		if (parse_output_path(codec, nid, 0, &spec->out_path[i]))
			spec->private_dac_nids[i] = spec->out_path[i].path[0];
	}
	return 0;
}

static int create_ch_ctls(struct hda_codec *codec, const char *pfx,
			  hda_nid_t pin, hda_nid_t dac, int chs)
{
	struct via_spec *spec = codec->spec;
	char name[32];
	hda_nid_t nid;
	int err;

	if (dac && query_amp_caps(codec, dac, HDA_OUTPUT) & AC_AMPCAP_NUM_STEPS)
		nid = dac;
	else if (query_amp_caps(codec, pin, HDA_OUTPUT) & AC_AMPCAP_NUM_STEPS)
		nid = pin;
	else
		nid = 0;
	if (nid) {
		sprintf(name, "%s Playback Volume", pfx);
		err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
			      HDA_COMPOSE_AMP_VAL(dac, chs, 0, HDA_OUTPUT));
		if (err < 0)
			return err;
	}

	if (dac && query_amp_caps(codec, dac, HDA_OUTPUT) & AC_AMPCAP_MUTE)
		nid = dac;
	else if (query_amp_caps(codec, pin, HDA_OUTPUT) & AC_AMPCAP_MUTE)
		nid = pin;
	else
		nid = 0;
	if (nid) {
		sprintf(name, "%s Playback Switch", pfx);
		err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
			      HDA_COMPOSE_AMP_VAL(nid, chs, 0, HDA_OUTPUT));
		if (err < 0)
			return err;
	}
	return 0;
}

static void mangle_smart51(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;
	int i, nums = 0;

	for (i = 0; i < cfg->num_inputs; i++) {
		if (is_smart51_candidate(codec, cfg->inputs[i].pin))
			nums++;
	}
	if (cfg->line_outs + nums < 3)
		return;
	for (i = 0; i < cfg->num_inputs; i++) {
		if (!is_smart51_candidate(codec, cfg->inputs[i].pin))
			continue;
		spec->smart51_pins[spec->smart51_nums++] = cfg->inputs[i].pin;
		cfg->line_out_pins[cfg->line_outs++] = cfg->inputs[i].pin;
		if (cfg->line_outs == 3)
			break;
	}
}

/* add playback controls from the parsed DAC table */
static int via_auto_create_multi_out_ctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;
	static const char * const chname[4] = {
		"Front", "Surround", "C/LFE", "Side"
	};
	int i, idx, err;
	int old_line_outs;

	/* check smart51 */
	old_line_outs = cfg->line_outs;
	if (cfg->line_outs == 1)
		mangle_smart51(codec);

	err = via_auto_fill_dac_nids(codec);
	if (err < 0)
		return err;

	for (i = 0; i < cfg->line_outs; i++) {
		hda_nid_t pin, dac;
		pin = cfg->line_out_pins[i];
		dac = spec->multiout.dac_nids[i];
		if (!pin || !dac)
			continue;
		if (i == HDA_CLFE) {
			err = create_ch_ctls(codec, "Center", pin, dac, 1);
			if (err < 0)
				return err;
			err = create_ch_ctls(codec, "LFE", pin, dac, 2);
			if (err < 0)
				return err;
		} else {
			const char *pfx = chname[i];
			if (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT &&
			    cfg->line_outs == 1)
				pfx = "Speaker";
			err = create_ch_ctls(codec, pfx, pin, dac, 3);
			if (err < 0)
				return err;
		}
	}

	idx = get_connection_index(codec, spec->aa_mix_nid,
				   spec->multiout.dac_nids[0]);
	if (idx >= 0) {
		/* add control to mixer */
		err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
				      "PCM Playback Volume",
				      HDA_COMPOSE_AMP_VAL(spec->aa_mix_nid, 3,
							  idx, HDA_INPUT));
		if (err < 0)
			return err;
		err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
				      "PCM Playback Switch",
				      HDA_COMPOSE_AMP_VAL(spec->aa_mix_nid, 3,
							  idx, HDA_INPUT));
		if (err < 0)
			return err;
	}

	cfg->line_outs = old_line_outs;

	return 0;
}

static void create_hp_imux(struct via_spec *spec)
{
	int i;
	struct hda_input_mux *imux = &spec->private_imux[1];
	static const char * const texts[] = { "OFF", "ON", NULL};

	/* for hp mode select */
	for (i = 0; texts[i]; i++)
		snd_hda_add_imux_item(imux, texts[i], i, NULL);

	spec->hp_mux = &spec->private_imux[1];
}

static int via_auto_create_hp_ctls(struct hda_codec *codec, hda_nid_t pin)
{
	struct via_spec *spec = codec->spec;
	int err;

	if (!pin)
		return 0;

	if (parse_output_path(codec, pin, 0, &spec->hp_path)) {
		spec->hp_dac_nid = spec->hp_path.path[0];
		spec->hp_independent_mode_index = spec->hp_path.idx[0];
		create_hp_imux(spec);
	}

	if (!parse_output_path(codec, pin, spec->multiout.dac_nids[HDA_FRONT],
			       &spec->hp_dep_path) &&
	    !spec->hp_dac_nid)
		return 0;


	err = create_ch_ctls(codec, "Headphone", pin, spec->hp_dac_nid, 3);
	if (err < 0)
		return err;

	return 0;
}

static int via_auto_create_speaker_ctls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t pin, dac;

	pin = spec->autocfg.speaker_pins[0];
	if (!spec->autocfg.speaker_outs || !pin)
		return 0;

	if (parse_output_path(codec, pin, 0, &spec->speaker_path)) {
		dac = spec->speaker_path.path[0];
		spec->multiout.extra_out_nid[0] = dac;
		return create_ch_ctls(codec, "Speaker", pin, dac, 3);
	}
	if (parse_output_path(codec, pin, spec->multiout.dac_nids[HDA_FRONT],
			      &spec->speaker_path))
		return create_ch_ctls(codec, "Speaker", pin, 0, 3);

	return 0;
}

/* look for ADCs */
static int via_fill_adcs(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t nid = codec->start_nid;
	int i;

	for (i = 0; i < codec->num_nodes; i++, nid++) {
		unsigned int wcaps = get_wcaps(codec, nid);
		if (get_wcaps_type(wcaps) != AC_WID_AUD_IN)
			continue;
		if (wcaps & AC_WCAP_DIGITAL)
			continue;
		if (!(wcaps & AC_WCAP_CONN_LIST))
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