patch_via.c

/*
 * 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 Takashi Iwai <tiwai@suse.de>
 *
 *  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  Logan Li	   Add VT1708S Mic Boost workaround/backdoor	     */
/* 2009-02-16  Logan Li	   Add support for VT1718S			     */
/* 2009-03-13  Logan Li	   Add support for VT1716S			     */
/* 2009-04-14  Lydai Wang  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  Lydia Wang  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"

#define NID_MAPPING		(-1)

/* 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;

	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);

#ifdef CONFIG_SND_HDA_POWER_SAVE
	struct hda_loopback_check loopback;
	int num_loopbacks;
	struct hda_amp_list loopback_list[8];
#endif
};

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, int stream_idle);
static int 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), -1);
	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 statue */
static int is_aa_path_mute(struct hda_codec *codec)
{
	int mute = 1;
	int start_idx;
	int end_idx;
	int i;
	struct via_spec *spec = codec->spec;
	/* get nid of MW0 and start & end index */
	switch (spec->codec_type) {
	case VT1708B_8CH:
	case VT1708B_4CH:
	case VT1708S:
	case VT1716S:
		start_idx = 2;
		end_idx = 4;
		break;
	case VT1702:
		start_idx = 1;
		end_idx = 3;
		break;
	case VT1718S:
		start_idx = 1;
		end_idx = 3;
		break;
	case VT2002P:
	case VT1812:
	case VT1802:
		start_idx = 0;
		end_idx = 2;
		break;
	default:
		return 0;
	}
	/* check AA path's mute status */
	for (i = start_idx; i <= end_idx; i++) {
		unsigned int con_list = snd_hda_codec_read(
			codec, spec->aa_mix_nid, 0, AC_VERB_GET_CONNECT_LIST, i/4*4);
		int shift = 8 * (i % 4);
		hda_nid_t nid_pin = (con_list & (0xff << shift)) >> shift;
		unsigned int defconf = snd_hda_codec_get_pincfg(codec, nid_pin);
		if (get_defcfg_connect(defconf) == AC_JACK_PORT_COMPLEX) {
			/* check mute status while the pin is connected */
			int mute_l = snd_hda_codec_amp_read(codec, spec->aa_mix_nid, 0,
							    HDA_INPUT, i) >> 7;
			int mute_r = snd_hda_codec_amp_read(codec, spec->aa_mix_nid, 1,
							    HDA_INPUT, i) >> 7;
			if (!mute_l || !mute_r) {
				mute = 0;
				break;
			}
		}
	}
	return mute;
}

/* enter/exit analog low-current mode */
static void analog_low_current_mode(struct hda_codec *codec, int stream_idle)
{
	struct via_spec *spec = codec->spec;
	static int saved_stream_idle = 1; /* saved stream idle status */
	int enable = is_aa_path_mute(codec);
	unsigned int verb = 0;
	unsigned int parm = 0;

	if (stream_idle == -1)	/* stream status did not change */
		enable = enable && saved_stream_idle;
	else {
		enable = enable && stream_idle;
		saved_stream_idle = stream_idle;
	}

	/* 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 substream_set_idle(struct hda_codec *codec,
			       struct snd_pcm_substream *substream)
{
	int idle = substream->pstr->substream_opened == 1
		&& substream->ref_count == 0;
	analog_low_current_mode(codec, idle);
}

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;

	if (!spec->hp_independent_mode)
		spec->multiout.hp_nid = spec->hp_dac_nid;
	substream_set_idle(codec, substream);
	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
					     hinfo);
}

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;
	substream_set_idle(codec, substream);
	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;
	substream_set_idle(codec, substream);
	return 0;
}

static int via_playback_hp_pcm_close(struct hda_pcm_stream *hinfo,
				     struct hda_codec *codec,
				     struct snd_pcm_substream *substream)
{
	substream_set_idle(codec, substream);
	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;
	const struct snd_kcontrol_new *knew;
	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;
	}

	/* other nid->control mapping */
	for (i = 0; i < spec->num_mixers; i++) {
		for (knew = spec->mixers[i]; knew->name; knew++) {
			if (knew->iface != NID_MAPPING)
				continue;
			kctl = snd_hda_find_mixer_ctl(codec, knew->name);
			if (kctl == NULL)
				continue;
			err = snd_hda_add_nid(codec, kctl, 0,
					      knew->subdevice);
		}
	}

	/* init power states */
	set_widgets_power_state(codec);
	analog_low_current_mode(codec, 1);

	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))
			continue;
		if (spec->num_adc_nids >= ARRAY_SIZE(spec->adc_nids))
			return -ENOMEM;
		spec->adc_nids[spec->num_adc_nids++] = nid;
	}
	return 0;
}

static int get_mux_nids(struct hda_codec *codec);

static const struct snd_kcontrol_new via_input_src_ctl = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	/* The multiple "Capture Source" controls confuse alsamixer
	 * So call somewhat different..
	 */
	/* .name = "Capture Source", */
	.name = "Input Source",
	.info = via_mux_enum_info,
	.get = via_mux_enum_get,
	.put = via_mux_enum_put,
};

#ifdef CONFIG_SND_HDA_POWER_SAVE
static void add_loopback_list(struct via_spec *spec, hda_nid_t mix, int idx)
{
	struct hda_amp_list *list;

	if (spec->num_loopbacks >= ARRAY_SIZE(spec->loopback_list) - 1)
		return;
	list = spec->loopback_list + spec->num_loopbacks;
	list->nid = mix;
	list->dir = HDA_INPUT;
	list->idx = idx;
	spec->num_loopbacks++;
	spec->loopback.amplist = spec->loopback_list;
}
#else
#define add_loopback_list(spec, mix, idx) /* NOP */
#endif

/* create playback/capture controls for input pins */
static int via_auto_create_analog_input_ctls(struct hda_codec *codec,
					     const struct auto_pin_cfg *cfg)
{
	struct via_spec *spec = codec->spec;
	struct hda_input_mux *imux = &spec->private_imux[0];
	int i, j, err, idx, idx2, type, type_idx = 0;
	hda_nid_t cap_nid;
	hda_nid_t pin_idxs[8];
	int num_idxs;

	err = via_fill_adcs(codec);
	if (err < 0)
		return err;
	err = get_mux_nids(codec);
	if (err < 0)
		return err;
	cap_nid = spec->mux_nids[0];

	num_idxs = snd_hda_get_connections(codec, cap_nid, pin_idxs,
					   ARRAY_SIZE(pin_idxs));
	if (num_idxs <= 0)
		return 0;

	/* for internal loopback recording select */
	for (idx = 0; idx < num_idxs; idx++) {
		if (pin_idxs[idx] == spec->aa_mix_nid) {
			snd_hda_add_imux_item(imux, "Stereo Mixer", idx, NULL);
			break;
		}
	}

	for (i = 0; i < cfg->num_inputs; i++) {
		const char *label;
		type = cfg->inputs[i].type;
		for (idx = 0; idx < num_idxs; idx++)
			if (pin_idxs[idx] == cfg->inputs[i].pin)
				break;
		if (idx >= num_idxs)
			continue;
		if (i > 0 && type == cfg->inputs[i - 1].type)
			type_idx++;
		else
			type_idx = 0;
		label = hda_get_autocfg_input_label(codec, cfg, i);
		idx2 = get_connection_index(codec, spec->aa_mix_nid,
					    pin_idxs[idx]);
		if (idx2 >= 0) {
			err = via_new_analog_input(spec, label, type_idx,
						   idx2, spec->aa_mix_nid);
			if (err < 0)
				return err;
			add_loopback_list(spec, spec->aa_mix_nid, idx2);
		}
		snd_hda_add_imux_item(imux, label, idx, NULL);

		/* remember the label for smart51 control */
		for (j = 0; j < spec->smart51_nums; j++) {
			if (spec->smart51_pins[j] == cfg->inputs[i].pin) {
				spec->smart51_idxs[j] = idx;
				spec->smart51_labels[j] = label;
				break;
			}
		}
	}

	/* create capture mixer elements */
	for (i = 0; i < spec->num_adc_nids; i++) {
		hda_nid_t adc = spec->adc_nids[i];
		err = __via_add_control(spec, VIA_CTL_WIDGET_VOL,
					"Capture Volume", i,
					HDA_COMPOSE_AMP_VAL(adc, 3, 0,
							    HDA_INPUT));
		if (err < 0)
			return err;
		err = __via_add_control(spec, VIA_CTL_WIDGET_MUTE,
					"Capture Switch", i,
					HDA_COMPOSE_AMP_VAL(adc, 3, 0,
							    HDA_INPUT));
		if (err < 0)
			return err;
	}

	/* input-source control */
	for (i = 0; i < spec->num_adc_nids; i++)
		if (!spec->mux_nids[i])
			break;
	if (i) {
		struct snd_kcontrol_new *knew;
		knew = via_clone_control(spec, &via_input_src_ctl);
		if (!knew)
			return -ENOMEM;
		knew->count = i;
	}

	/* mic-boosts */
	for (i = 0; i < cfg->num_inputs; i++) {
		hda_nid_t pin = cfg->inputs[i].pin;
		unsigned int caps;
		const char *label;
		char name[32];

		if (cfg->inputs[i].type != AUTO_PIN_MIC)
			continue;
		caps = query_amp_caps(codec, pin, HDA_INPUT);
		if (caps == -1 || !(caps & AC_AMPCAP_NUM_STEPS))
			continue;
		label = hda_get_autocfg_input_label(codec, cfg, i);
		snprintf(name, sizeof(name), "%s Boost Capture Volume", label);
		err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
			      HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_INPUT));
		if (err < 0)
			return err;
	}

	return 0;
}

static void vt1708_set_pinconfig_connect(struct hda_codec *codec, hda_nid_t nid)
{
	unsigned int def_conf;
	unsigned char seqassoc;

	def_conf = snd_hda_codec_get_pincfg(codec, nid);
	seqassoc = (unsigned char) get_defcfg_association(def_conf);
	seqassoc = (seqassoc << 4) | get_defcfg_sequence(def_conf);
	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE
	    && (seqassoc == 0xf0 || seqassoc == 0xff)) {
		def_conf = def_conf & (~(AC_JACK_PORT_BOTH << 30));
		snd_hda_codec_set_pincfg(codec, nid, def_conf);
	}

	return;
}

static int vt1708_jack_detect_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;

	if (spec->codec_type != VT1708)
		return 0;
	spec->vt1708_jack_detect =
		!((snd_hda_codec_read(codec, 0x1, 0, 0xf84, 0) >> 8) & 0x1);
	ucontrol->value.integer.value[0] = spec->vt1708_jack_detect;
	return 0;
}

static int vt1708_jack_detect_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 change;

	if (spec->codec_type != VT1708)
		return 0;
	spec->vt1708_jack_detect = ucontrol->value.integer.value[0];
	change = (0x1 & (snd_hda_codec_read(codec, 0x1, 0, 0xf84, 0) >> 8))
		== !spec->vt1708_jack_detect;
	if (spec->vt1708_jack_detect) {
		mute_aa_path(codec, 1);
		notify_aa_path_ctls(codec);
	}
	return change;
}

static const struct snd_kcontrol_new vt1708_jack_detect_ctl = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Jack Detect",
	.count = 1,
	.info = snd_ctl_boolean_mono_info,
	.get = vt1708_jack_detect_get,
	.put = vt1708_jack_detect_put,
};

static void fill_dig_outs(struct hda_codec *codec);
static void fill_dig_in(struct hda_codec *codec);

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

	err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL);
	if (err < 0)
		return err;
	if (!spec->autocfg.line_outs && !spec->autocfg.hp_pins[0])
		return -EINVAL;

	err = via_auto_create_multi_out_ctls(codec);
	if (err < 0)
		return err;
	err = via_auto_create_hp_ctls(codec, spec->autocfg.hp_pins[0]);
	if (err < 0)
		return err;
	err = via_auto_create_speaker_ctls(codec);
	if (err < 0)
		return err;
	err = via_auto_create_analog_input_ctls(codec, &spec->autocfg);
	if (err < 0)
		return err;

	spec->multiout.max_channels = spec->multiout.num_dacs * 2;

	fill_dig_outs(codec);
	fill_dig_in(codec);

	if (spec->kctls.list)
		spec->mixers[spec->num_mixers++] = spec->kctls.list;

	spec->init_verbs[spec->num_iverbs++] = vt1708_init_verbs;

	spec->input_mux = &spec->private_imux[0];

	if (spec->hp_mux) {
		err = via_hp_build(codec);
		if (err < 0)
			return err;
	}

	err = via_smart51_build(codec);
	if (err < 0)
		return err;

	/* assign slave outs */
	if (spec->slave_dig_outs[0])
		codec->slave_dig_outs = spec->slave_dig_outs;

	return 1;
}

static void via_auto_init_dig_outs(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	if (spec->multiout.dig_out_nid)
		init_output_pin(codec, spec->autocfg.dig_out_pins[0], PIN_OUT);
	if (spec->slave_dig_outs[0])
		init_output_pin(codec, spec->autocfg.dig_out_pins[1], PIN_OUT);
}

static void via_auto_init_dig_in(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	if (!spec->dig_in_nid)
		return;
	snd_hda_codec_write(codec, spec->autocfg.dig_in_pin, 0,
			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN);
}

/* initialize the unsolicited events */
static void via_auto_init_unsol_event(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;
	unsigned int ev;
	int i;

	if (cfg->hp_pins[0] && is_jack_detectable(codec, cfg->hp_pins[0]))
		snd_hda_codec_write(codec, cfg->hp_pins[0], 0,
				AC_VERB_SET_UNSOLICITED_ENABLE,
				AC_USRSP_EN | VIA_HP_EVENT | VIA_JACK_EVENT);

	if (cfg->speaker_pins[0])
		ev = VIA_LINE_EVENT;
	else
		ev = 0;
	for (i = 0; i < cfg->line_outs; i++) {
		if (cfg->line_out_pins[i] &&
		    is_jack_detectable(codec, cfg->line_out_pins[i]))
			snd_hda_codec_write(codec, cfg->line_out_pins[0], 0,
				AC_VERB_SET_UNSOLICITED_ENABLE,
				AC_USRSP_EN | ev | VIA_JACK_EVENT);
	}

	for (i = 0; i < cfg->num_inputs; i++) {
		if (is_jack_detectable(codec, cfg->inputs[i].pin))
			snd_hda_codec_write(codec, cfg->inputs[i].pin, 0,
				AC_VERB_SET_UNSOLICITED_ENABLE,
				AC_USRSP_EN | VIA_JACK_EVENT);
	}
}

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

	for (i = 0; i < spec->num_iverbs; i++)
		snd_hda_sequence_write(codec, spec->init_verbs[i]);

	via_auto_init_multi_out(codec);
	via_auto_init_hp_out(codec);
	via_auto_init_speaker_out(codec);
	via_auto_init_analog_input(codec);
	via_auto_init_dig_outs(codec);
	via_auto_init_dig_in(codec);

	via_auto_init_unsol_event(codec);

	via_hp_automute(codec);
	via_line_automute(codec, false);

	return 0;
}

static void vt1708_update_hp_jack_state(struct work_struct *work)
{
	struct via_spec *spec = container_of(work, struct via_spec,
					     vt1708_hp_work.work);
	if (spec->codec_type != VT1708)
		return;
	/* if jack state toggled */
	if (spec->vt1708_hp_present
	    != snd_hda_jack_detect(spec->codec, spec->autocfg.hp_pins[0])) {
		spec->vt1708_hp_present ^= 1;
		via_hp_automute(spec->codec);
	}
	vt1708_start_hp_work(spec);
}

static int get_mux_nids(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t nid, conn[8];
	unsigned int type;
	int i, n;

	for (i = 0; i < spec->num_adc_nids; i++) {
		nid = spec->adc_nids[i];
		while (nid) {
			type = get_wcaps_type(get_wcaps(codec, nid));
			if (type == AC_WID_PIN)
				break;
			n = snd_hda_get_connections(codec, nid, conn,
						    ARRAY_SIZE(conn));
			if (n <= 0)
				break;
			if (n > 1) {
				spec->mux_nids[i] = nid;
				break;
			}
			nid = conn[0];
		}
	}
	return 0;
}

static int patch_vt1708(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x17;

	/* Add HP and CD pin config connect bit re-config action */
	vt1708_set_pinconfig_connect(codec, VT1708_HP_PIN_NID);
	vt1708_set_pinconfig_connect(codec, VT1708_CD_PIN_NID);

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	/* add jack detect on/off control */
	if (!via_clone_control(spec, &vt1708_jack_detect_ctl))
		return -ENOMEM;

	/* disable 32bit format on VT1708 */
	if (codec->vendor_id == 0x11061708)
		spec->stream_analog_playback = &vt1708_pcm_analog_s16_playback;

	codec->patch_ops = via_patch_ops;

	INIT_DELAYED_WORK(&spec->vt1708_hp_work, vt1708_update_hp_jack_state);
	return 0;
}

static int patch_vt1709_10ch(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x18;

	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	codec->patch_ops = via_patch_ops;

	return 0;
}
/*
 * generic initialization of ADC, input mixers and output mixers
 */
static int patch_vt1709_6ch(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x18;

	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	codec->patch_ops = via_patch_ops;

	return 0;
}

static void set_widgets_power_state_vt1708B(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int imux_is_smixer;
	unsigned int parm;
	int is_8ch = 0;
	if ((spec->codec_type != VT1708B_4CH) &&
	    (codec->vendor_id != 0x11064397))
		is_8ch = 1;

	/* SW0 (17h) = stereo mixer */
	imux_is_smixer =
	(snd_hda_codec_read(codec, 0x17, 0, AC_VERB_GET_CONNECT_SEL, 0x00)
	 == ((spec->codec_type == VT1708S) ? 5 : 0));
	/* inputs */
	/* PW 1/2/5 (1ah/1bh/1eh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x1a, &parm);
	set_pin_power_state(codec, 0x1b, &parm);
	set_pin_power_state(codec, 0x1e, &parm);
	if (imux_is_smixer)
		parm = AC_PWRST_D0;
	/* SW0 (17h), AIW 0/1 (13h/14h) */
	snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE, parm);

	/* outputs */
	/* PW0 (19h), SW1 (18h), AOW1 (11h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x19, &parm);
	if (spec->smart51_enabled)
		set_pin_power_state(codec, 0x1b, &parm);
	snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);

	/* PW6 (22h), SW2 (26h), AOW2 (24h) */
	if (is_8ch) {
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x22, &parm);
		if (spec->smart51_enabled)
			set_pin_power_state(codec, 0x1a, &parm);
		snd_hda_codec_write(codec, 0x26, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x24, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	} else if (codec->vendor_id == 0x11064397) {
		/* PW7(23h), SW2(27h), AOW2(25h) */
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x23, &parm);
		if (spec->smart51_enabled)
			set_pin_power_state(codec, 0x1a, &parm);
		snd_hda_codec_write(codec, 0x27, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x25, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	}

	/* PW 3/4/7 (1ch/1dh/23h) */
	parm = AC_PWRST_D3;
	/* force to D0 for internal Speaker */
	set_pin_power_state(codec, 0x1c, &parm);
	set_pin_power_state(codec, 0x1d, &parm);
	if (is_8ch)
		set_pin_power_state(codec, 0x23, &parm);

	/* MW0 (16h), Sw3 (27h), AOW 0/3 (10h/25h) */
	snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE,
			    imux_is_smixer ? AC_PWRST_D0 : parm);
	snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
	if (is_8ch) {
		snd_hda_codec_write(codec, 0x25, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x27, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	} else if (codec->vendor_id == 0x11064397 && spec->hp_independent_mode)
		snd_hda_codec_write(codec, 0x25, 0,
				    AC_VERB_SET_POWER_STATE, parm);
}

static int patch_vt1708S(struct hda_codec *codec);
static int patch_vt1708B_8ch(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	if (get_codec_type(codec) == VT1708BCE)
		return patch_vt1708S(codec);
	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x16;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state =  set_widgets_power_state_vt1708B;

	return 0;
}

static int patch_vt1708B_4ch(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state =  set_widgets_power_state_vt1708B;

	return 0;
}

/* Patch for VT1708S */
static const struct hda_verb vt1708S_init_verbs[] = {
	/* Enable Mic Boost Volume backdoor */
	{0x1, 0xf98, 0x1},
	/* don't bybass mixer */
	{0x1, 0xf88, 0xc0},
	{ }
};

/* fill out digital output widgets; one for master and one for slave outputs */
static void fill_dig_outs(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < spec->autocfg.dig_outs; i++) {
		hda_nid_t nid;
		int conn;

		nid = spec->autocfg.dig_out_pins[i];
		if (!nid)
			continue;
		conn = snd_hda_get_connections(codec, nid, &nid, 1);
		if (conn < 1)
			continue;
		if (!spec->multiout.dig_out_nid)
			spec->multiout.dig_out_nid = nid;
		else {
			spec->slave_dig_outs[0] = nid;
			break; /* at most two dig outs */
		}
	}
}

static void fill_dig_in(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t dig_nid;
	int i, err;

	if (!spec->autocfg.dig_in_pin)
		return;

	dig_nid = codec->start_nid;
	for (i = 0; i < codec->num_nodes; i++, dig_nid++) {
		unsigned int wcaps = get_wcaps(codec, dig_nid);
		if (get_wcaps_type(wcaps) != AC_WID_AUD_IN)
			continue;
		if (!(wcaps & AC_WCAP_DIGITAL))
			continue;
		if (!(wcaps & AC_WCAP_CONN_LIST))
			continue;
		err = get_connection_index(codec, dig_nid,
					   spec->autocfg.dig_in_pin);
		if (err >= 0) {
			spec->dig_in_nid = dig_nid;
			break;
		}
	}
}

static void override_mic_boost(struct hda_codec *codec, hda_nid_t pin,
			       int offset, int num_steps, int step_size)
{
	snd_hda_override_amp_caps(codec, pin, HDA_INPUT,
				  (offset << AC_AMPCAP_OFFSET_SHIFT) |
				  (num_steps << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (step_size << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (0 << AC_AMPCAP_MUTE_SHIFT));
}

static int patch_vt1708S(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x16;
	override_mic_boost(codec, 0x1a, 0, 3, 40);
	override_mic_boost(codec, 0x1e, 0, 3, 40);

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	spec->init_verbs[spec->num_iverbs++] = vt1708S_init_verbs;

	codec->patch_ops = via_patch_ops;

	/* correct names for VT1708BCE */
	if (get_codec_type(codec) == VT1708BCE)	{
		kfree(codec->chip_name);
		codec->chip_name = kstrdup("VT1708BCE", GFP_KERNEL);
		snprintf(codec->bus->card->mixername,
			 sizeof(codec->bus->card->mixername),
			 "%s %s", codec->vendor_name, codec->chip_name);
	}
	/* correct names for VT1705 */
	if (codec->vendor_id == 0x11064397)	{
		kfree(codec->chip_name);
		codec->chip_name = kstrdup("VT1705", GFP_KERNEL);
		snprintf(codec->bus->card->mixername,
			 sizeof(codec->bus->card->mixername),
			 "%s %s", codec->vendor_name, codec->chip_name);
	}
	spec->set_widgets_power_state =  set_widgets_power_state_vt1708B;
	return 0;
}

/* Patch for VT1702 */

static const struct hda_verb vt1702_init_verbs[] = {
	/* mixer enable */
	{0x1, 0xF88, 0x3},
	/* GPIO 0~2 */
	{0x1, 0xF82, 0x3F},
	{ }
};

static void set_widgets_power_state_vt1702(struct hda_codec *codec)
{
	int imux_is_smixer =
	snd_hda_codec_read(codec, 0x13, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
	unsigned int parm;
	/* inputs */
	/* PW 1/2/5 (14h/15h/18h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x14, &parm);
	set_pin_power_state(codec, 0x15, &parm);
	set_pin_power_state(codec, 0x18, &parm);
	if (imux_is_smixer)
		parm = AC_PWRST_D0; /* SW0 (13h) = stereo mixer (idx 3) */
	/* SW0 (13h), AIW 0/1/2 (12h/1fh/20h) */
	snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x12, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_POWER_STATE, parm);

	/* outputs */
	/* PW 3/4 (16h/17h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x17, &parm);
	set_pin_power_state(codec, 0x16, &parm);
	/* MW0 (1ah), AOW 0/1 (10h/1dh) */
	snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE,
			    imux_is_smixer ? AC_PWRST_D0 : parm);
	snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE, parm);
}

static int patch_vt1702(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x1a;

	/* limit AA path volume to 0 dB */
	snd_hda_override_amp_caps(codec, 0x1A, HDA_INPUT,
				  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
				  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
				  (0x5 << AC_AMPCAP_STEP_SIZE_SHIFT) |
				  (1 << AC_AMPCAP_MUTE_SHIFT));

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	spec->init_verbs[spec->num_iverbs++] = vt1702_init_verbs;

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state =  set_widgets_power_state_vt1702;
	return 0;
}

/* Patch for VT1718S */

static const struct hda_verb vt1718S_init_verbs[] = {
	/* Enable MW0 adjust Gain 5 */
	{0x1, 0xfb2, 0x10},
	/* Enable Boost Volume backdoor */
	{0x1, 0xf88, 0x8},

	{ }
};

static void set_widgets_power_state_vt1718S(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int imux_is_smixer;
	unsigned int parm;
	/* MUX6 (1eh) = stereo mixer */
	imux_is_smixer =
	snd_hda_codec_read(codec, 0x1e, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 5;
	/* inputs */
	/* PW 5/6/7 (29h/2ah/2bh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x29, &parm);
	set_pin_power_state(codec, 0x2a, &parm);
	set_pin_power_state(codec, 0x2b, &parm);
	if (imux_is_smixer)
		parm = AC_PWRST_D0;
	/* MUX6/7 (1eh/1fh), AIW 0/1 (10h/11h) */
	snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);

	/* outputs */
	/* PW3 (27h), MW2 (1ah), AOW3 (bh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x27, &parm);
	snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0xb, 0, AC_VERB_SET_POWER_STATE, parm);

	/* PW2 (26h), AOW2 (ah) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x26, &parm);
	if (spec->smart51_enabled)
		set_pin_power_state(codec, 0x2b, &parm);
	snd_hda_codec_write(codec, 0xa, 0, AC_VERB_SET_POWER_STATE, parm);

	/* PW0 (24h), AOW0 (8h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x24, &parm);
	if (!spec->hp_independent_mode) /* check for redirected HP */
		set_pin_power_state(codec, 0x28, &parm);
	snd_hda_codec_write(codec, 0x8, 0, AC_VERB_SET_POWER_STATE, parm);
	/* MW9 (21h), Mw2 (1ah), AOW0 (8h) */
	snd_hda_codec_write(codec, 0x21, 0, AC_VERB_SET_POWER_STATE,
			    imux_is_smixer ? AC_PWRST_D0 : parm);

	/* PW1 (25h), AOW1 (9h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x25, &parm);
	if (spec->smart51_enabled)
		set_pin_power_state(codec, 0x2a, &parm);
	snd_hda_codec_write(codec, 0x9, 0, AC_VERB_SET_POWER_STATE, parm);

	if (spec->hp_independent_mode) {
		/* PW4 (28h), MW3 (1bh), MUX1(34h), AOW4 (ch) */
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x28, &parm);
		snd_hda_codec_write(codec, 0x1b, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x34, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0xc, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	}
}

static int patch_vt1718S(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x21;
	override_mic_boost(codec, 0x2b, 0, 3, 40);
	override_mic_boost(codec, 0x29, 0, 3, 40);

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	spec->init_verbs[spec->num_iverbs++] = vt1718S_init_verbs;

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state =  set_widgets_power_state_vt1718S;

	return 0;
}

/* Patch for VT1716S */

static int vt1716s_dmic_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 vt1716s_dmic_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	int index = 0;

	index = snd_hda_codec_read(codec, 0x26, 0,
					       AC_VERB_GET_CONNECT_SEL, 0);
	if (index != -1)
		*ucontrol->value.integer.value = index;

	return 0;
}

static int vt1716s_dmic_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 index = *ucontrol->value.integer.value;

	snd_hda_codec_write(codec, 0x26, 0,
					       AC_VERB_SET_CONNECT_SEL, index);
	spec->dmic_enabled = index;
	set_widgets_power_state(codec);
	return 1;
}

static const struct snd_kcontrol_new vt1716s_dmic_mixer[] = {
	HDA_CODEC_VOLUME("Digital Mic Capture Volume", 0x22, 0x0, HDA_INPUT),
	{
	 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	 .name = "Digital Mic Capture Switch",
	 .subdevice = HDA_SUBDEV_NID_FLAG | 0x26,
	 .count = 1,
	 .info = vt1716s_dmic_info,
	 .get = vt1716s_dmic_get,
	 .put = vt1716s_dmic_put,
	 },
	{}			/* end */
};


/* mono-out mixer elements */
static const struct snd_kcontrol_new vt1716S_mono_out_mixer[] = {
	HDA_CODEC_MUTE("Mono Playback Switch", 0x2a, 0x0, HDA_OUTPUT),
	{ } /* end */
};

static const struct hda_verb vt1716S_init_verbs[] = {
	/* Enable Boost Volume backdoor */
	{0x1, 0xf8a, 0x80},
	/* don't bybass mixer */
	{0x1, 0xf88, 0xc0},
	/* Enable mono output */
	{0x1, 0xf90, 0x08},
	{ }
};

static void set_widgets_power_state_vt1716S(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int imux_is_smixer;
	unsigned int parm;
	unsigned int mono_out, present;
	/* SW0 (17h) = stereo mixer */
	imux_is_smixer =
	(snd_hda_codec_read(codec, 0x17, 0,
			    AC_VERB_GET_CONNECT_SEL, 0x00) ==  5);
	/* inputs */
	/* PW 1/2/5 (1ah/1bh/1eh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x1a, &parm);
	set_pin_power_state(codec, 0x1b, &parm);
	set_pin_power_state(codec, 0x1e, &parm);
	if (imux_is_smixer)
		parm = AC_PWRST_D0;
	/* SW0 (17h), AIW0(13h) */
	snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm);

	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x1e, &parm);
	/* PW11 (22h) */
	if (spec->dmic_enabled)
		set_pin_power_state(codec, 0x22, &parm);
	else
		snd_hda_codec_write(codec, 0x22, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);

	/* SW2(26h), AIW1(14h) */
	snd_hda_codec_write(codec, 0x26, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE, parm);

	/* outputs */
	/* PW0 (19h), SW1 (18h), AOW1 (11h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x19, &parm);
	/* Smart 5.1 PW2(1bh) */
	if (spec->smart51_enabled)
		set_pin_power_state(codec, 0x1b, &parm);
	snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);

	/* PW7 (23h), SW3 (27h), AOW3 (25h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x23, &parm);
	/* Smart 5.1 PW1(1ah) */
	if (spec->smart51_enabled)
		set_pin_power_state(codec, 0x1a, &parm);
	snd_hda_codec_write(codec, 0x27, 0, AC_VERB_SET_POWER_STATE, parm);

	/* Smart 5.1 PW5(1eh) */
	if (spec->smart51_enabled)
		set_pin_power_state(codec, 0x1e, &parm);
	snd_hda_codec_write(codec, 0x25, 0, AC_VERB_SET_POWER_STATE, parm);

	/* Mono out */
	/* SW4(28h)->MW1(29h)-> PW12 (2ah)*/
	present = snd_hda_jack_detect(codec, 0x1c);

	if (present)
		mono_out = 0;
	else {
		present = snd_hda_jack_detect(codec, 0x1d);
		if (!spec->hp_independent_mode && present)
			mono_out = 0;
		else
			mono_out = 1;
	}
	parm = mono_out ? AC_PWRST_D0 : AC_PWRST_D3;
	snd_hda_codec_write(codec, 0x28, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x29, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x2a, 0, AC_VERB_SET_POWER_STATE, parm);

	/* PW 3/4 (1ch/1dh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x1c, &parm);
	set_pin_power_state(codec, 0x1d, &parm);
	/* HP Independent Mode, power on AOW3 */
	if (spec->hp_independent_mode)
		snd_hda_codec_write(codec, 0x25, 0,
				    AC_VERB_SET_POWER_STATE, parm);

	/* force to D0 for internal Speaker */
	/* MW0 (16h), AOW0 (10h) */
	snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE,
			    imux_is_smixer ? AC_PWRST_D0 : parm);
	snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE,
			    mono_out ? AC_PWRST_D0 : parm);
}

static int patch_vt1716S(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x16;
	override_mic_boost(codec, 0x1a, 0, 3, 40);
	override_mic_boost(codec, 0x1e, 0, 3, 40);

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	spec->init_verbs[spec->num_iverbs++]  = vt1716S_init_verbs;

	spec->mixers[spec->num_mixers] = vt1716s_dmic_mixer;
	spec->num_mixers++;

	spec->mixers[spec->num_mixers++] = vt1716S_mono_out_mixer;

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state = set_widgets_power_state_vt1716S;
	return 0;
}

/* for vt2002P */

static const struct hda_verb vt2002P_init_verbs[] = {
	/* Class-D speaker related verbs */
	{0x1, 0xfe0, 0x4},
	{0x1, 0xfe9, 0x80},
	{0x1, 0xfe2, 0x22},
	/* Enable Boost Volume backdoor */
	{0x1, 0xfb9, 0x24},
	/* Enable AOW0 to MW9 */
	{0x1, 0xfb8, 0x88},
	{ }
};

static const struct hda_verb vt1802_init_verbs[] = {
	/* Enable Boost Volume backdoor */
	{0x1, 0xfb9, 0x24},
	/* Enable AOW0 to MW9 */
	{0x1, 0xfb8, 0x88},
	{ }
};

static void set_widgets_power_state_vt2002P(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int imux_is_smixer;
	unsigned int parm;
	unsigned int present;
	/* MUX9 (1eh) = stereo mixer */
	imux_is_smixer =
	snd_hda_codec_read(codec, 0x1e, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
	/* inputs */
	/* PW 5/6/7 (29h/2ah/2bh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x29, &parm);
	set_pin_power_state(codec, 0x2a, &parm);
	set_pin_power_state(codec, 0x2b, &parm);
	parm = AC_PWRST_D0;
	/* MUX9/10 (1eh/1fh), AIW 0/1 (10h/11h) */
	snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);

	/* outputs */
	/* AOW0 (8h)*/
	snd_hda_codec_write(codec, 0x8, 0, AC_VERB_SET_POWER_STATE, parm);

	if (spec->codec_type == VT1802) {
		/* PW4 (28h), MW4 (18h), MUX4(38h) */
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x28, &parm);
		snd_hda_codec_write(codec, 0x18, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x38, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	} else {
		/* PW4 (26h), MW4 (1ch), MUX4(37h) */
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x26, &parm);
		snd_hda_codec_write(codec, 0x1c, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x37, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	}

	if (spec->codec_type == VT1802) {
		/* PW1 (25h), MW1 (15h), MUX1(35h), AOW1 (9h) */
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x25, &parm);
		snd_hda_codec_write(codec, 0x15, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x35, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	} else {
		/* PW1 (25h), MW1 (19h), MUX1(35h), AOW1 (9h) */
		parm = AC_PWRST_D3;
		set_pin_power_state(codec, 0x25, &parm);
		snd_hda_codec_write(codec, 0x19, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x35, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	}

	if (spec->hp_independent_mode)
		snd_hda_codec_write(codec, 0x9, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);

	/* Class-D */
	/* PW0 (24h), MW0(18h/14h), MUX0(34h) */
	present = snd_hda_jack_detect(codec, 0x25);

	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x24, &parm);
	parm = present ? AC_PWRST_D3 : AC_PWRST_D0;
	if (spec->codec_type == VT1802)
		snd_hda_codec_write(codec, 0x14, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	else
		snd_hda_codec_write(codec, 0x18, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x34, 0, AC_VERB_SET_POWER_STATE, parm);

	/* Mono Out */
	present = snd_hda_jack_detect(codec, 0x26);

	parm = present ? AC_PWRST_D3 : AC_PWRST_D0;
	if (spec->codec_type == VT1802) {
		/* PW15 (33h), MW8(1ch), MUX8(3ch) */
		snd_hda_codec_write(codec, 0x33, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x1c, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x3c, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	} else {
		/* PW15 (31h), MW8(17h), MUX8(3bh) */
		snd_hda_codec_write(codec, 0x31, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x17, 0,
				    AC_VERB_SET_POWER_STATE, parm);
		snd_hda_codec_write(codec, 0x3b, 0,
				    AC_VERB_SET_POWER_STATE, parm);
	}
	/* MW9 (21h) */
	if (imux_is_smixer || !is_aa_path_mute(codec))
		snd_hda_codec_write(codec, 0x21, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
	else
		snd_hda_codec_write(codec, 0x21, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
}

/* patch for vt2002P */
static int patch_vt2002P(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x21;
	override_mic_boost(codec, 0x2b, 0, 3, 40);
	override_mic_boost(codec, 0x29, 0, 3, 40);

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	if (spec->codec_type == VT1802)
		spec->init_verbs[spec->num_iverbs++] = vt1802_init_verbs;
	else
		spec->init_verbs[spec->num_iverbs++] = vt2002P_init_verbs;

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state =  set_widgets_power_state_vt2002P;
	return 0;
}

/* for vt1812 */

static const struct hda_verb vt1812_init_verbs[] = {
	/* Enable Boost Volume backdoor */
	{0x1, 0xfb9, 0x24},
	/* Enable AOW0 to MW9 */
	{0x1, 0xfb8, 0xa8},
	{ }
};

static void set_widgets_power_state_vt1812(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int imux_is_smixer =
	snd_hda_codec_read(codec, 0x13, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
	unsigned int parm;
	unsigned int present;
	/* MUX10 (1eh) = stereo mixer */
	imux_is_smixer =
	snd_hda_codec_read(codec, 0x1e, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 5;
	/* inputs */
	/* PW 5/6/7 (29h/2ah/2bh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x29, &parm);
	set_pin_power_state(codec, 0x2a, &parm);
	set_pin_power_state(codec, 0x2b, &parm);
	parm = AC_PWRST_D0;
	/* MUX10/11 (1eh/1fh), AIW 0/1 (10h/11h) */
	snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);

	/* outputs */
	/* AOW0 (8h)*/
	snd_hda_codec_write(codec, 0x8, 0,
			    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);

	/* PW4 (28h), MW4 (18h), MUX4(38h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x28, &parm);
	snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x38, 0, AC_VERB_SET_POWER_STATE, parm);

	/* PW1 (25h), MW1 (15h), MUX1(35h), AOW1 (9h) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x25, &parm);
	snd_hda_codec_write(codec, 0x15, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x35, 0, AC_VERB_SET_POWER_STATE, parm);
	if (spec->hp_independent_mode)
		snd_hda_codec_write(codec, 0x9, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);

	/* Internal Speaker */
	/* PW0 (24h), MW0(14h), MUX0(34h) */
	present = snd_hda_jack_detect(codec, 0x25);

	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x24, &parm);
	if (present) {
		snd_hda_codec_write(codec, 0x14, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
		snd_hda_codec_write(codec, 0x34, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
	} else {
		snd_hda_codec_write(codec, 0x14, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
		snd_hda_codec_write(codec, 0x34, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
	}


	/* Mono Out */
	/* PW13 (31h), MW13(1ch), MUX13(3ch), MW14(3eh) */
	present = snd_hda_jack_detect(codec, 0x28);

	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x31, &parm);
	if (present) {
		snd_hda_codec_write(codec, 0x1c, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
		snd_hda_codec_write(codec, 0x3c, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
		snd_hda_codec_write(codec, 0x3e, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
	} else {
		snd_hda_codec_write(codec, 0x1c, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
		snd_hda_codec_write(codec, 0x3c, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
		snd_hda_codec_write(codec, 0x3e, 0,
				    AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
	}

	/* PW15 (33h), MW15 (1dh), MUX15(3dh) */
	parm = AC_PWRST_D3;
	set_pin_power_state(codec, 0x33, &parm);
	snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE, parm);
	snd_hda_codec_write(codec, 0x3d, 0, AC_VERB_SET_POWER_STATE, parm);

}

/* patch for vt1812 */
static int patch_vt1812(struct hda_codec *codec)
{
	struct via_spec *spec;
	int err;

	/* create a codec specific record */
	spec = via_new_spec(codec);
	if (spec == NULL)
		return -ENOMEM;

	spec->aa_mix_nid = 0x21;
	override_mic_boost(codec, 0x2b, 0, 3, 40);
	override_mic_boost(codec, 0x29, 0, 3, 40);

	/* automatic parse from the BIOS config */
	err = via_parse_auto_config(codec);
	if (err < 0) {
		via_free(codec);
		return err;
	}

	spec->init_verbs[spec->num_iverbs++]  = vt1812_init_verbs;

	codec->patch_ops = via_patch_ops;

	spec->set_widgets_power_state =  set_widgets_power_state_vt1812;
	return 0;
}

/*
 * patch entries
 */
static const struct hda_codec_preset snd_hda_preset_via[] = {
	{ .id = 0x11061708, .name = "VT1708", .patch = patch_vt1708},
	{ .id = 0x11061709, .name = "VT1708", .patch = patch_vt1708},
	{ .id = 0x1106170a, .name = "VT1708", .patch = patch_vt1708},
	{ .id = 0x1106170b, .name = "VT1708", .patch = patch_vt1708},
	{ .id = 0x1106e710, .name = "VT1709 10-Ch",
	  .patch = patch_vt1709_10ch},
	{ .id = 0x1106e711, .name = "VT1709 10-Ch",
	  .patch = patch_vt1709_10ch},
	{ .id = 0x1106e712, .name = "VT1709 10-Ch",
	  .patch = patch_vt1709_10ch},
	{ .id = 0x1106e713, .name = "VT1709 10-Ch",
	  .patch = patch_vt1709_10ch},
	{ .id = 0x1106e714, .name = "VT1709 6-Ch",
	  .patch = patch_vt1709_6ch},
	{ .id = 0x1106e715, .name = "VT1709 6-Ch",
	  .patch = patch_vt1709_6ch},
	{ .id = 0x1106e716, .name = "VT1709 6-Ch",
	  .patch = patch_vt1709_6ch},
	{ .id = 0x1106e717, .name = "VT1709 6-Ch",
	  .patch = patch_vt1709_6ch},
	{ .id = 0x1106e720, .name = "VT1708B 8-Ch",
	  .patch = patch_vt1708B_8ch},
	{ .id = 0x1106e721, .name = "VT1708B 8-Ch",
	  .patch = patch_vt1708B_8ch},
	{ .id = 0x1106e722, .name = "VT1708B 8-Ch",
	  .patch = patch_vt1708B_8ch},
	{ .id = 0x1106e723, .name = "VT1708B 8-Ch",
	  .patch = patch_vt1708B_8ch},
	{ .id = 0x1106e724, .name = "VT1708B 4-Ch",
	  .patch = patch_vt1708B_4ch},
	{ .id = 0x1106e725, .name = "VT1708B 4-Ch",
	  .patch = patch_vt1708B_4ch},
	{ .id = 0x1106e726, .name = "VT1708B 4-Ch",
	  .patch = patch_vt1708B_4ch},
	{ .id = 0x1106e727, .name = "VT1708B 4-Ch",
	  .patch = patch_vt1708B_4ch},
	{ .id = 0x11060397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11061397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11062397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11063397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11064397, .name = "VT1705",
	  .patch = patch_vt1708S},
	{ .id = 0x11065397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11066397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11067397, .name = "VT1708S",
	  .patch = patch_vt1708S},
	{ .id = 0x11060398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11061398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11062398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11063398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11064398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11065398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11066398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11067398, .name = "VT1702",
	  .patch = patch_vt1702},
	{ .id = 0x11060428, .name = "VT1718S",
	  .patch = patch_vt1718S},
	{ .id = 0x11064428, .name = "VT1718S",
	  .patch = patch_vt1718S},
	{ .id = 0x11060441, .name = "VT2020",
	  .patch = patch_vt1718S},
	{ .id = 0x11064441, .name = "VT1828S",
	  .patch = patch_vt1718S},
	{ .id = 0x11060433, .name = "VT1716S",
	  .patch = patch_vt1716S},
	{ .id = 0x1106a721, .name = "VT1716S",
	  .patch = patch_vt1716S},
	{ .id = 0x11060438, .name = "VT2002P", .patch = patch_vt2002P},
	{ .id = 0x11064438, .name = "VT2002P", .patch = patch_vt2002P},
	{ .id = 0x11060448, .name = "VT1812", .patch = patch_vt1812},
	{ .id = 0x11060440, .name = "VT1818S",
	  .patch = patch_vt1708S},
	{ .id = 0x11060446, .name = "VT1802",
		.patch = patch_vt2002P},
	{ .id = 0x11068446, .name = "VT1802",
		.patch = patch_vt2002P},
	{} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:1106*");

static struct hda_codec_preset_list via_list = {
	.preset = snd_hda_preset_via,
	.owner = THIS_MODULE,
};

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VIA HD-audio codec");

static int __init patch_via_init(void)
{
	return snd_hda_add_codec_preset(&via_list);
}

static void __exit patch_via_exit(void)
{
	snd_hda_delete_codec_preset(&via_list);
}

module_init(patch_via_init)
module_exit(patch_via_exit)