int cm206_media_changed(struct cdrom_device_info *cdi, int disc_nr)
static int cm206_media_changed(struct cdrom_device_info *cdi, int disc_nr)
int cm206_media_changed(struct cdrom_device_info *cdi, int disc_nr){	if (cd != NULL) {		int r;		get_drive_status();	/* ensure cd->media_changed OK */		r = cd->media_changed;		cd->media_changed = 0;	/* clear bit */		return r;	} else		return -EIO;}