int cm206_drive_status(struct cdrom_device_info *cdi, int slot_nr)
static int cm206_drive_status(struct cdrom_device_info *cdi, int slot_nr)
int cm206_drive_status(struct cdrom_device_info *cdi, int slot_nr){	get_drive_status();	if (cd->dsb & dsb_tray_not_closed)		return CDS_TRAY_OPEN;	if (!(cd->dsb & dsb_disc_present))		return CDS_NO_DISC;	if (cd->dsb & dsb_drive_not_ready)		return CDS_DRIVE_NOT_READY;	return CDS_DISC_OK;}