[ALSA] hda-codec - Add support for VIA VT1708(A) HD audio codec

This patch is VIA first release for HD audio codec, VT1708(A) and
it provides geneneral HD audio driver features.

Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

4 files changed, 1402 insertions, 1 deletions

diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 148140bb86bd..60d7b05a204a 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -7,7 +7,8 @@ snd-hda-codec-objs := hda_codec.o \
 	patch_sigmatel.o \
 	patch_si3054.o \
 	patch_atihdmi.o \
-	patch_conexant.o
+	patch_conexant.o \
+	patch_via.o
 ifdef CONFIG_PROC_FS
 snd-hda-codec-objs += hda_proc.o
 endif
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index c07d5db6b050..e14faf5d5053 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -52,6 +52,7 @@ struct hda_vendor_id {
 static struct hda_vendor_id hda_vendor_ids[] = {
 	{ 0x10ec, "Realtek" },
 	{ 0x1057, "Motorola" },
+	{ 0x1106, "VIA" },
 	{ 0x11d4, "Analog Devices" },
 	{ 0x13f6, "C-Media" },
 	{ 0x14f1, "Conexant" },
diff --git a/sound/pci/hda/hda_patch.h b/sound/pci/hda/hda_patch.h
index 5904ecd88a50..9f9e9ae44a9d 100644
--- a/sound/pci/hda/hda_patch.h
+++ b/sound/pci/hda/hda_patch.h
@@ -16,6 +16,8 @@ extern struct hda_codec_preset snd_hda_preset_si3054[];
 extern struct hda_codec_preset snd_hda_preset_atihdmi[];
 /* Conexant audio codec */
 extern struct hda_codec_preset snd_hda_preset_conexant[];
+/* VIA codecs */
+extern struct hda_codec_preset snd_hda_preset_via[];
 
 static const struct hda_codec_preset *hda_preset_tables[] = {
 	snd_hda_preset_realtek,
@@ -25,5 +27,6 @@ static const struct hda_codec_preset *hda_preset_tables[] = {
 	snd_hda_preset_si3054,
 	snd_hda_preset_atihdmi,
 	snd_hda_preset_conexant,
+	snd_hda_preset_via,
 	NULL
 };
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
new file mode 100644
index 000000000000..4c839b031729
--- /dev/null
+++ b/sound/pci/hda/patch_via.c
@@ -0,0 +1,1396 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * HD audio interface patch for VIA VT1708 codec
+ *
+ * Copyright (c) 2006 Lydia Wang <lydiawang@viatech.com>
+ *                    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 */
+/*                                                                           */
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+
+#include <sound/driver.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+
+
+/* amp values */
+#define AMP_VAL_IDX_SHIFT	19
+#define AMP_VAL_IDX_MASK	(0x0f<<19)
+
+#define NUM_CONTROL_ALLOC	32
+#define NUM_VERB_ALLOC		32
+
+/* Pin Widget NID */
+#define VT1708_HP_NID		0x13
+#define VT1708_DIGOUT_NID	0x14
+#define VT1708_DIGIN_NID	0x16
+
+#define VT1709_HP_DAC_NID	0x28
+#define VT1709_DIGOUT_NID	0x13
+#define VT1709_DIGIN_NID	0x17
+
+#define IS_VT1708_VENDORID(x)		((x) >= 0x11061708 && (x) <= 0x1106170b)
+#define IS_VT1709_10CH_VENDORID(x)	((x) >= 0x1106e710 && (x) <= 0x1106e713)
+#define IS_VT1709_6CH_VENDORID(x)	((x) >= 0x1106e714 && (x) <= 0x1106e717)
+
+
+enum {
+	VIA_CTL_WIDGET_VOL,
+	VIA_CTL_WIDGET_MUTE,
+};
+
+enum {
+	AUTO_SEQ_FRONT,
+	AUTO_SEQ_SURROUND,
+	AUTO_SEQ_CENLFE,
+	AUTO_SEQ_SIDE
+};
+
+static struct snd_kcontrol_new vt1708_control_templates[] = {
+	HDA_CODEC_VOLUME(NULL, 0, 0, 0),
+	HDA_CODEC_MUTE(NULL, 0, 0, 0),
+};
+
+
+struct via_spec {
+	/* codec parameterization */
+	struct snd_kcontrol_new *mixers[3];
+	unsigned int num_mixers;
+
+	struct hda_verb *init_verbs;
+
+	char *stream_name_analog;
+	struct hda_pcm_stream *stream_analog_playback;
+	struct hda_pcm_stream *stream_analog_capture;
+
+	char *stream_name_digital;
+	struct hda_pcm_stream *stream_digital_playback;
+	struct hda_pcm_stream *stream_digital_capture;
+
+	/* playback */
+	struct hda_multi_out multiout;
+
+	/* capture */
+	unsigned int num_adc_nids;
+	hda_nid_t *adc_nids;
+	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[2];
+
+	/* dynamic controls, init_verbs and input_mux */
+	struct auto_pin_cfg autocfg;
+	unsigned int num_kctl_alloc, num_kctl_used;
+	struct snd_kcontrol_new *kctl_alloc;
+	struct hda_input_mux private_imux;
+	hda_nid_t private_dac_nids[4];	
+};
+
+static hda_nid_t vt1708_adc_nids[2] = {
+	/* ADC1-2 */
+	0x15, 0x27
+};
+
+static hda_nid_t vt1709_adc_nids[3] = {
+	/* ADC1-2 */
+	0x14, 0x15, 0x16
+};
+
+/* add dynamic controls */
+static int via_add_control(struct via_spec *spec, int type, const char *name,
+			   unsigned long val)
+{
+	struct snd_kcontrol_new *knew;
+
+	if (spec->num_kctl_used >= spec->num_kctl_alloc) {
+		int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC;
+
+		/* array + terminator */
+		knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL);
+		if (!knew)
+			return -ENOMEM;
+		if (spec->kctl_alloc) {
+			memcpy(knew, spec->kctl_alloc,
+			       sizeof(*knew) * spec->num_kctl_alloc);
+			kfree(spec->kctl_alloc);
+		}
+		spec->kctl_alloc = knew;
+		spec->num_kctl_alloc = num;
+	}
+
+	knew = &spec->kctl_alloc[spec->num_kctl_used];
+	*knew = vt1708_control_templates[type];
+	knew->name = kstrdup(name, GFP_KERNEL);
+
+	if (!knew->name)
+		return -ENOMEM;
+	knew->private_value = val;
+	spec->num_kctl_used++;
+	return 0;
+}
+
+/* create input playback/capture controls for the given pin */
+static int via_new_analog_input(struct via_spec *spec, hda_nid_t pin,
+				const char *ctlname, 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,
+			      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_MUTE, name,
+			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
+	if (err < 0)
+		return err;
+	return 0;
+}
+
+static void via_auto_set_output_and_unmute(struct hda_codec *codec,
+					   hda_nid_t nid, int pin_type,
+					   int dac_idx)
+{
+	/* set as output */
+	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
+			    pin_type);
+	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 <= AUTO_SEQ_SIDE; i++) {
+		hda_nid_t nid = spec->autocfg.line_out_pins[i];
+		if (nid)
+			via_auto_set_output_and_unmute(codec, nid, PIN_OUT, i);
+	}
+}
+
+static void via_auto_init_hp_out(struct hda_codec *codec)
+{
+	struct via_spec *spec = codec->spec;
+	hda_nid_t pin;
+
+	pin = spec->autocfg.hp_pins[0];
+	if (pin) /* connect to front */
+		via_auto_set_output_and_unmute(codec, pin, PIN_HP, 0);
+}
+
+static void via_auto_init_analog_input(struct hda_codec *codec)
+{
+	struct via_spec *spec = codec->spec;
+	int i;
+
+	for (i = 0; i < AUTO_PIN_LAST; i++) {
+		hda_nid_t nid = spec->autocfg.input_pins[i];
+
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_PIN_WIDGET_CONTROL,
+				    (i <= AUTO_PIN_FRONT_MIC ?
+				     PIN_VREF50 : PIN_IN));
+
+	}
+}
+/*
+ * 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);
+	unsigned int vendor_id = codec->vendor_id;
+
+	/* AIW0  lydia 060801 add for correct sw0 input select */
+	if (IS_VT1708_VENDORID(vendor_id) && (adc_idx == 0))
+		return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
+					     0x18, &spec->cur_mux[adc_idx]);
+	else if ((IS_VT1709_10CH_VENDORID(vendor_id) ||
+		  IS_VT1709_6CH_VENDORID(vendor_id)) && (adc_idx == 0) )
+		return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
+					     0x19, &spec->cur_mux[adc_idx]);
+	else
+		return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
+					     spec->adc_nids[adc_idx],
+					     &spec->cur_mux[adc_idx]);
+}
+
+/* capture mixer elements */
+static struct snd_kcontrol_new vt1708_capture_mixer[] = {
+	HDA_CODEC_VOLUME("Capture Volume", 0x15, 0x0, HDA_INPUT),
+	HDA_CODEC_MUTE("Capture Switch", 0x15, 0x0, HDA_INPUT),
+	HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x27, 0x0, HDA_INPUT),
+	HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x27, 0x0, HDA_INPUT),
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		/* The multiple "Capture Source" controls confuse alsamixer
+		 * So call somewhat different..
+		 * FIXME: the controls appear in the "playback" view!
+		 */
+		/* .name = "Capture Source", */
+		.name = "Input Source",
+		.count = 1,
+		.info = via_mux_enum_info,
+		.get = via_mux_enum_get,
+		.put = via_mux_enum_put,
+	},
+	{ } /* end */
+};
+/*
+ * generic initialization of ADC, input mixers and output mixers
+ */
+static struct hda_verb vt1708_volume_init_verbs[] = {
+	/*
+	 * Unmute ADC0-1 and set the default input to mic-in
+	 */
+	{0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x27, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+
+
+	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	 * mixer widget
+	 */
+	/* Amp Indices: CD = 1, Mic1 = 2, Line = 3, Mic2 = 4 */
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+
+	/*
+	 * Set up output mixers (0x19 - 0x1b)
+	 */
+	/* set vol=0 to output mixers */
+	{0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x1b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	
+	/* Setup default input to PW4 */
+	{0x20, AC_VERB_SET_CONNECT_SEL, 0x1},
+	/* Set mic as default input of sw0 */
+	{0x18, AC_VERB_SET_CONNECT_SEL, 0x2},
+	/* PW9 Output enable */
+	{0x25, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40},
+};
+
+static int via_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_analog_open(codec, &spec->multiout, substream);
+}
+
+static int via_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_analog_prepare(codec, &spec->multiout,
+						stream_tag, format, substream);
+}
+
+static int via_playback_pcm_cleanup(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_analog_cleanup(codec, &spec->multiout);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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_setup_stream(codec, spec->adc_nids[substream->number],
+				   0, 0, 0);
+	return 0;
+}
+
+static struct hda_pcm_stream vt1708_pcm_analog_playback = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 8,
+	.nid = 0x10, /* NID to query formats and rates */
+	.ops = {
+		.open = via_playback_pcm_open,
+		.prepare = via_playback_pcm_prepare,
+		.cleanup = via_playback_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream vt1708_pcm_analog_capture = {
+	.substreams = 2,
+	.channels_min = 2,
+	.channels_max = 2,
+	.nid = 0x15, /* NID to query formats and rates */
+	.ops = {
+		.prepare = via_capture_pcm_prepare,
+		.cleanup = via_capture_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream vt1708_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
+	},
+};
+
+static struct hda_pcm_stream vt1708_pcm_digital_capture = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+};
+
+static int via_build_controls(struct hda_codec *codec)
+{
+	struct via_spec *spec = codec->spec;
+	int err;
+	int i;
+
+	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);
+		if (err < 0)
+			return err;
+	}
+	if (spec->dig_in_nid) {
+		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
+		if (err < 0)
+			return err;
+	}
+	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;
+
+	info->name = spec->stream_name_analog;
+	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_CAPTURE] = *(spec->stream_analog_capture);
+	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0];
+
+	info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
+		spec->multiout.max_channels;
+
+	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
+		codec->num_pcms++;
+		info++;
+		info->name = spec->stream_name_digital;
+		if (spec->multiout.dig_out_nid) {
+			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) {
+			info->stream[SNDRV_PCM_STREAM_CAPTURE] =
+				*(spec->stream_digital_capture);
+			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
+				spec->dig_in_nid;
+		}
+	}
+
+	return 0;
+}
+
+static void via_free(struct hda_codec *codec)
+{
+	struct via_spec *spec = codec->spec;
+	unsigned int i;
+
+	if (!spec)
+		return;
+
+	if (spec->kctl_alloc) {
+		for (i = 0; i < spec->num_kctl_used; i++)
+			kfree(spec->kctl_alloc[i].name);
+		kfree(spec->kctl_alloc);
+	}
+
+	kfree(codec->spec);
+}
+
+static int via_init(struct hda_codec *codec)
+{
+	struct via_spec *spec = codec->spec;
+	snd_hda_sequence_write(codec, spec->init_verbs);
+ 	return 0;
+}
+
+#ifdef CONFIG_PM
+/*
+ * resume
+ */
+static int via_resume(struct hda_codec *codec)
+{
+	struct via_spec *spec = codec->spec;
+	int i;
+
+	via_init(codec);
+	for (i = 0; i < spec->num_mixers; i++)
+		snd_hda_resume_ctls(codec, spec->mixers[i]);
+	if (spec->multiout.dig_out_nid)
+		snd_hda_resume_spdif_out(codec);
+	if (spec->dig_in_nid)
+		snd_hda_resume_spdif_in(codec);
+
+	return 0;
+}
+#endif
+
+/*
+ */
+static struct hda_codec_ops via_patch_ops = {
+	.build_controls = via_build_controls,
+	.build_pcms = via_build_pcms,
+	.init = via_init,
+	.free = via_free,
+#ifdef CONFIG_PM
+	.resume = via_resume,
+#endif
+};
+
+/* fill in the dac_nids table from the parsed pin configuration */
+static int vt1708_auto_fill_dac_nids(struct via_spec *spec,
+				     const struct auto_pin_cfg *cfg)
+{
+	int i;
+	hda_nid_t nid;
+
+	spec->multiout.num_dacs = cfg->line_outs;
+
+	spec->multiout.dac_nids = spec->private_dac_nids;
+ 	
+	for(i = 0; i < 4; i++) {
+		nid = cfg->line_out_pins[i];
+		if (nid) {
+			/* config dac list */
+			switch (i) {
+			case AUTO_SEQ_FRONT:
+				spec->multiout.dac_nids[i] = 0x10;
+				break;
+			case AUTO_SEQ_CENLFE:
+				spec->multiout.dac_nids[i] = 0x12;
+				break;
+			case AUTO_SEQ_SURROUND:
+				spec->multiout.dac_nids[i] = 0x13;
+				break;
+			case AUTO_SEQ_SIDE:
+				spec->multiout.dac_nids[i] = 0x11;
+				break;
+			}
+		}
+	}
+
+	return 0;
+}
+
+/* add playback controls from the parsed DAC table */
+static int vt1708_auto_create_multi_out_ctls(struct via_spec *spec,
+					     const struct auto_pin_cfg *cfg)
+{
+	char name[32];
+	static const char *chname[4] = { "Front", "Surround", "C/LFE", "Side" };
+	hda_nid_t nid, nid_vol = 0;
+	int i, err;
+
+	for (i = 0; i <= AUTO_SEQ_SIDE; i++) {
+		nid = cfg->line_out_pins[i];
+
+		if (!nid)
+			continue;
+		
+		if (i != AUTO_SEQ_FRONT)
+			nid_vol = 0x1b - i + 1;
+
+		if (i == AUTO_SEQ_CENLFE) {
+			/* Center/LFE */
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+					      "Center Playback Volume",
+					      HDA_COMPOSE_AMP_VAL(nid_vol, 1, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+					      "LFE Playback Volume",
+					      HDA_COMPOSE_AMP_VAL(nid_vol, 2, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+					      "Center Playback Switch",
+					      HDA_COMPOSE_AMP_VAL(nid_vol, 1, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+					      "LFE Playback Switch",
+					      HDA_COMPOSE_AMP_VAL(nid_vol, 2, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		} else if (i == AUTO_SEQ_FRONT){
+			/* add control to mixer index 0 */
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+					      "Master Front Playback Volume",
+					      HDA_COMPOSE_AMP_VAL(0x17, 3, 0, HDA_INPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+					      "Master Front Playback Switch",
+					      HDA_COMPOSE_AMP_VAL(0x17, 3, 0, HDA_INPUT));
+			if (err < 0)
+				return err;
+			
+			/* add control to PW3 */
+			sprintf(name, "%s Playback Volume", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
+					      HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			sprintf(name, "%s Playback Switch", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
+					      HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		} else {
+			sprintf(name, "%s Playback Volume", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
+					      HDA_COMPOSE_AMP_VAL(nid_vol, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			sprintf(name, "%s Playback Switch", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
+					      HDA_COMPOSE_AMP_VAL(nid_vol, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		}
+	}
+
+	return 0;
+}
+
+static int vt1708_auto_create_hp_ctls(struct via_spec *spec, hda_nid_t pin)
+{
+	int err;
+
+	if (!pin)
+		return 0;
+
+	spec->multiout.hp_nid = VT1708_HP_NID; /* AOW3 */
+
+	err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+			      "Headphone Playback Volume",
+			      HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_OUTPUT));
+	if (err < 0)
+		return err;
+	err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+			      "Headphone Playback Switch",
+			      HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_OUTPUT));
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+/* create playback/capture controls for input pins */
+static int vt1708_auto_create_analog_input_ctls(struct via_spec *spec,
+						const struct auto_pin_cfg *cfg)
+{
+	static char *labels[] = {
+		"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux", NULL
+	};
+	struct hda_input_mux *imux = &spec->private_imux;
+	int i, err, idx = 0;
+
+	/* for internal loopback recording select */
+	imux->items[imux->num_items].label = "Stereo Mixer";
+	imux->items[imux->num_items].index = idx;
+	imux->num_items++;
+
+	for (i = 0; i < AUTO_PIN_LAST; i++) {
+		if (!cfg->input_pins[i])
+			continue;
+
+		switch (cfg->input_pins[i]) {
+		case 0x1d: /* Mic */
+			idx = 2;
+			break;
+				
+		case 0x1e: /* Line In */
+			idx = 3;
+			break;
+
+		case 0x21: /* Front Mic */
+			idx = 4;
+			break;
+
+		case 0x24: /* CD */
+			idx = 1;
+			break;
+		}
+		err = via_new_analog_input(spec, cfg->input_pins[i], labels[i],
+					   idx, 0x17);
+		if (err < 0)
+			return err;
+		imux->items[imux->num_items].label = labels[i];
+		imux->items[imux->num_items].index = idx;
+		imux->num_items++;
+	}
+	return 0;
+}
+
+static int vt1708_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;
+	err = vt1708_auto_fill_dac_nids(spec, &spec->autocfg);
+	if (err < 0)
+		return err;
+	if (!spec->autocfg.line_outs && !spec->autocfg.hp_pins[0])
+		return 0; /* can't find valid BIOS pin config */
+
+	err = vt1708_auto_create_multi_out_ctls(spec, &spec->autocfg);
+	if (err < 0)
+		return err;
+	err = vt1708_auto_create_hp_ctls(spec, spec->autocfg.hp_pins[0]);
+	if (err < 0)
+		return err;
+	err = vt1708_auto_create_analog_input_ctls(spec, &spec->autocfg);
+	if (err < 0)
+		return err;
+
+	spec->multiout.max_channels = spec->multiout.num_dacs * 2;
+
+	if (spec->autocfg.dig_out_pin)
+		spec->multiout.dig_out_nid = VT1708_DIGOUT_NID;
+	if (spec->autocfg.dig_in_pin)
+		spec->dig_in_nid = VT1708_DIGIN_NID;
+
+	if (spec->kctl_alloc)
+		spec->mixers[spec->num_mixers++] = spec->kctl_alloc;
+
+	spec->init_verbs = vt1708_volume_init_verbs;	
+
+	spec->input_mux = &spec->private_imux;
+
+	return 1;
+}
+
+/* init callback for auto-configuration model -- overriding the default init */
+static int via_auto_init(struct hda_codec *codec)
+{
+	via_init(codec);
+	via_auto_init_multi_out(codec);
+	via_auto_init_hp_out(codec);
+	via_auto_init_analog_input(codec);
+	return 0;
+}
+
+static int patch_vt1708(struct hda_codec *codec)
+{
+	struct via_spec *spec;
+	int err;
+
+	/* create a codec specific record */
+	spec = kcalloc(1, sizeof(*spec), GFP_KERNEL);
+	if (spec == NULL)
+		return -ENOMEM;
+
+	codec->spec = spec;
+
+	/* automatic parse from the BIOS config */
+	err = vt1708_parse_auto_config(codec);
+	if (err < 0) {
+		via_free(codec);
+		return err;
+	} else if (!err) {
+		printk(KERN_INFO "hda_codec: Cannot set up configuration "
+		       "from BIOS.  Using genenic mode...\n");
+	}
+
+	
+	spec->stream_name_analog = "VT1708 Analog";
+	spec->stream_analog_playback = &vt1708_pcm_analog_playback;
+	spec->stream_analog_capture = &vt1708_pcm_analog_capture;
+
+	spec->stream_name_digital = "VT1708 Digital";
+	spec->stream_digital_playback = &vt1708_pcm_digital_playback;
+	spec->stream_digital_capture = &vt1708_pcm_digital_capture;
+
+	
+	if (!spec->adc_nids && spec->input_mux) {
+		spec->adc_nids = vt1708_adc_nids;
+		spec->num_adc_nids = ARRAY_SIZE(vt1708_adc_nids);
+		spec->mixers[spec->num_mixers] = vt1708_capture_mixer;
+		spec->num_mixers++;
+	}
+
+	codec->patch_ops = via_patch_ops;
+
+	codec->patch_ops.init = via_auto_init;
+
+	return 0;
+}
+
+/* capture mixer elements */
+static struct snd_kcontrol_new vt1709_capture_mixer[] = {
+	HDA_CODEC_VOLUME("Capture Volume", 0x14, 0x0, HDA_INPUT),
+	HDA_CODEC_MUTE("Capture Switch", 0x14, 0x0, HDA_INPUT),
+	HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x15, 0x0, HDA_INPUT),
+	HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x15, 0x0, HDA_INPUT),
+	HDA_CODEC_VOLUME_IDX("Capture Volume", 2, 0x16, 0x0, HDA_INPUT),
+	HDA_CODEC_MUTE_IDX("Capture Switch", 2, 0x16, 0x0, HDA_INPUT),
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		/* The multiple "Capture Source" controls confuse alsamixer
+		 * So call somewhat different..
+		 * FIXME: the controls appear in the "playback" view!
+		 */
+		/* .name = "Capture Source", */
+		.name = "Input Source",
+		.count = 1,
+		.info = via_mux_enum_info,
+		.get = via_mux_enum_get,
+		.put = via_mux_enum_put,
+	},
+	{ } /* end */
+};
+
+/*
+ * generic initialization of ADC, input mixers and output mixers
+ */
+static struct hda_verb vt1709_10ch_volume_init_verbs[] = {
+	/*
+	 * Unmute ADC0-2 and set the default input to mic-in
+	 */
+	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+
+
+	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	 * mixer widget
+	 */
+	/* Amp Indices: AOW0=0, CD = 1, Mic1 = 2, Line = 3, Mic2 = 4 */
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+
+	/*
+	 * Set up output selector (0x1a, 0x1b, 0x29)
+	 */
+	/* set vol=0 to output mixers */
+	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x1b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x29, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+
+	/*
+	 *  Unmute PW3 and PW4
+	 */
+	{0x1f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+
+	/* Set input of PW4 as AOW4 */
+	{0x20, AC_VERB_SET_CONNECT_SEL, 0x1},
+	/* Set mic as default input of sw0 */
+	{0x19, AC_VERB_SET_CONNECT_SEL, 0x2},
+	/* PW9 Output enable */
+	{0x24, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40},
+	{ }
+};
+
+static struct hda_pcm_stream vt1709_10ch_pcm_analog_playback = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 10,
+	.nid = 0x10, /* NID to query formats and rates */
+	.ops = {
+		.open = via_playback_pcm_open,
+		.prepare = via_playback_pcm_prepare,
+		.cleanup = via_playback_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream vt1709_6ch_pcm_analog_playback = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 6,
+	.nid = 0x10, /* NID to query formats and rates */
+	.ops = {
+		.open = via_playback_pcm_open,
+		.prepare = via_playback_pcm_prepare,
+		.cleanup = via_playback_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream vt1709_pcm_analog_capture = {
+	.substreams = 2,
+	.channels_min = 2,
+	.channels_max = 2,
+	.nid = 0x14, /* NID to query formats and rates */
+	.ops = {
+		.prepare = via_capture_pcm_prepare,
+		.cleanup = via_capture_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream vt1709_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
+	},
+};
+
+static struct hda_pcm_stream vt1709_pcm_digital_capture = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+};
+
+static int vt1709_auto_fill_dac_nids(struct via_spec *spec,
+				     const struct auto_pin_cfg *cfg)
+{
+	int i;
+	hda_nid_t nid;
+
+	if (cfg->line_outs == 4)  /* 10 channels */
+		spec->multiout.num_dacs = cfg->line_outs+1; /* AOW0~AOW4 */
+	else if (cfg->line_outs == 3) /* 6 channels */
+		spec->multiout.num_dacs = cfg->line_outs; /* AOW0~AOW2 */
+
+	spec->multiout.dac_nids = spec->private_dac_nids;
+
+	if (cfg->line_outs == 4) { /* 10 channels */
+		for (i = 0; i < cfg->line_outs; i++) {
+			nid = cfg->line_out_pins[i];
+			if (nid) {
+				/* config dac list */
+				switch (i) {
+				case AUTO_SEQ_FRONT:
+					/* AOW0 */
+					spec->multiout.dac_nids[i] = 0x10;
+					break;
+				case AUTO_SEQ_CENLFE:
+					/* AOW2 */
+					spec->multiout.dac_nids[i] = 0x12;
+					break;
+				case AUTO_SEQ_SURROUND:
+					/* AOW3 */
+					spec->multiout.dac_nids[i] = 0x27;
+					break;
+				case AUTO_SEQ_SIDE:
+					/* AOW1 */
+					spec->multiout.dac_nids[i] = 0x11;
+					break;
+				default:
+					break;
+				}
+			}
+		}
+		spec->multiout.dac_nids[cfg->line_outs] = 0x28; /* AOW4 */
+
+	} else if (cfg->line_outs == 3) { /* 6 channels */
+		for(i = 0; i < cfg->line_outs; i++) {
+			nid = cfg->line_out_pins[i];
+			if (nid) {
+				/* config dac list */
+				switch(i) {
+				case AUTO_SEQ_FRONT:
+					/* AOW0 */
+					spec->multiout.dac_nids[i] = 0x10;
+					break;
+				case AUTO_SEQ_CENLFE:
+					/* AOW2 */
+					spec->multiout.dac_nids[i] = 0x12;
+					break;
+				case AUTO_SEQ_SURROUND:
+					/* AOW1 */
+					spec->multiout.dac_nids[i] = 0x11;
+					break;
+				default:
+					break;
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
+/* add playback controls from the parsed DAC table */
+static int vt1709_auto_create_multi_out_ctls(struct via_spec *spec,
+					     const struct auto_pin_cfg *cfg)
+{
+	char name[32];
+	static const char *chname[4] = { "Front", "Surround", "C/LFE", "Side" };
+	hda_nid_t nid = 0;
+	int i, err;
+
+	for (i = 0; i <= AUTO_SEQ_SIDE; i++) {
+		nid = cfg->line_out_pins[i];
+
+		if (!nid)	
+			continue;
+
+		if (i == AUTO_SEQ_CENLFE) {
+			/* Center/LFE */
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+					      "Center Playback Volume",
+					      HDA_COMPOSE_AMP_VAL(0x1b, 1, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+					      "LFE Playback Volume",
+					      HDA_COMPOSE_AMP_VAL(0x1b, 2, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+					      "Center Playback Switch",
+					      HDA_COMPOSE_AMP_VAL(0x1b, 1, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+					      "LFE Playback Switch",
+					      HDA_COMPOSE_AMP_VAL(0x1b, 2, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		} else if (i == AUTO_SEQ_FRONT){
+			/* add control to mixer index 0 */
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+					      "Master Front Playback Volume",
+					      HDA_COMPOSE_AMP_VAL(0x18, 3, 0, HDA_INPUT));
+			if (err < 0)
+				return err;
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+					      "Master Front Playback Switch",
+					      HDA_COMPOSE_AMP_VAL(0x18, 3, 0, HDA_INPUT));
+			if (err < 0)
+				return err;
+			
+			/* add control to PW3 */
+			sprintf(name, "%s Playback Volume", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
+					      HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			sprintf(name, "%s Playback Switch", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
+					      HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		} else if (i == AUTO_SEQ_SURROUND) {
+			sprintf(name, "%s Playback Volume", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
+					      HDA_COMPOSE_AMP_VAL(0x29, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			sprintf(name, "%s Playback Switch", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
+					      HDA_COMPOSE_AMP_VAL(0x29, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		} else if (i == AUTO_SEQ_SIDE) {
+			sprintf(name, "%s Playback Volume", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
+					      HDA_COMPOSE_AMP_VAL(0x1a, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+			sprintf(name, "%s Playback Switch", chname[i]);
+			err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
+					      HDA_COMPOSE_AMP_VAL(0x1a, 3, 0, HDA_OUTPUT));
+			if (err < 0)
+				return err;
+		}
+	}
+
+	return 0;
+}
+
+static int vt1709_auto_create_hp_ctls(struct via_spec *spec, hda_nid_t pin)
+{
+	int err;
+
+	if (!pin)
+		return 0;
+
+	if (spec->multiout.num_dacs == 5) /* 10 channels */
+		spec->multiout.hp_nid = VT1709_HP_DAC_NID;
+	else if (spec->multiout.num_dacs == 3) /* 6 channels */
+		spec->multiout.hp_nid = 0;
+
+	err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
+			      "Headphone Playback Volume",
+			      HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_OUTPUT));
+	if (err < 0)
+		return err;
+	err = via_add_control(spec, VIA_CTL_WIDGET_MUTE,
+			      "Headphone Playback Switch",
+			      HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_OUTPUT));
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+/* create playback/capture controls for input pins */
+static int vt1709_auto_create_analog_input_ctls(struct via_spec *spec,
+						const struct auto_pin_cfg *cfg)
+{
+	static char *labels[] = {
+		"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux", NULL
+	};
+	struct hda_input_mux *imux = &spec->private_imux;
+	int i, err, idx = 0;
+
+	/* for internal loopback recording select */
+	imux->items[imux->num_items].label = "Stereo Mixer";
+	imux->items[imux->num_items].index = idx;
+	imux->num_items++;
+
+	for (i = 0; i < AUTO_PIN_LAST; i++) {
+		if (!cfg->input_pins[i])
+			continue;
+
+		switch (cfg->input_pins[i]) {
+		case 0x1d: /* Mic */
+			idx = 2;
+			break;
+				
+		case 0x1e: /* Line In */
+			idx = 3;
+			break;
+
+		case 0x21: /* Front Mic */
+			idx = 4;
+			break;
+
+		case 0x23: /* CD */
+			idx = 1;
+			break;
+		}
+		err = via_new_analog_input(spec, cfg->input_pins[i], labels[i],
+					   idx, 0x18);
+		if (err < 0)
+			return err;
+		imux->items[imux->num_items].label = labels[i];
+		imux->items[imux->num_items].index = idx;
+		imux->num_items++;
+	}
+	return 0;
+}
+
+static int vt1709_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;
+	err = vt1709_auto_fill_dac_nids(spec, &spec->autocfg);
+	if (err < 0)
+		return err;
+	if (!spec->autocfg.line_outs && !spec->autocfg.hp_pins[0])
+		return 0; /* can't find valid BIOS pin config */
+
+	err = vt1709_auto_create_multi_out_ctls(spec, &spec->autocfg);
+	if (err < 0)
+		return err;
+	err = vt1709_auto_create_hp_ctls(spec, spec->autocfg.hp_pins[0]);
+	if (err < 0)
+		return err;
+	err = vt1709_auto_create_analog_input_ctls(spec, &spec->autocfg);
+	if (err < 0)
+		return err;
+
+	spec->multiout.max_channels = spec->multiout.num_dacs * 2;
+
+	if (spec->autocfg.dig_out_pin)
+		spec->multiout.dig_out_nid = VT1709_DIGOUT_NID;
+	if (spec->autocfg.dig_in_pin)
+		spec->dig_in_nid = VT1709_DIGIN_NID;
+
+	if (spec->kctl_alloc)
+		spec->mixers[spec->num_mixers++] = spec->kctl_alloc;
+
+	spec->input_mux = &spec->private_imux;
+
+	return 1;
+}
+
+static int patch_vt1709_10ch(struct hda_codec *codec)
+{
+	struct via_spec *spec;
+	int err;
+
+	/* create a codec specific record */
+	spec = kcalloc(1, sizeof(*spec), GFP_KERNEL);
+	if (spec == NULL)
+		return -ENOMEM;
+
+	codec->spec = spec;
+
+	err = vt1709_parse_auto_config(codec);
+	if (err < 0) {
+		via_free(codec);
+		return err;
+	} else if (!err) {
+		printk(KERN_INFO "hda_codec: Cannot set up configuration.  "
+		       "Using genenic mode...\n");
+	}
+
+	spec->init_verbs = vt1709_10ch_volume_init_verbs;	
+
+	spec->stream_name_analog = "VT1709 Analog";
+	spec->stream_analog_playback = &vt1709_10ch_pcm_analog_playback;
+	spec->stream_analog_capture = &vt1709_pcm_analog_capture;
+
+	spec->stream_name_digital = "VT1709 Digital";
+	spec->stream_digital_playback = &vt1709_pcm_digital_playback;
+	spec->stream_digital_capture = &vt1709_pcm_digital_capture;
+
+	
+	if (!spec->adc_nids && spec->input_mux) {
+		spec->adc_nids = vt1709_adc_nids;
+		spec->num_adc_nids = ARRAY_SIZE(vt1709_adc_nids);
+		spec->mixers[spec->num_mixers] = vt1709_capture_mixer;
+		spec->num_mixers++;
+	}
+
+	codec->patch_ops = via_patch_ops;
+
+	codec->patch_ops.init = via_auto_init;
+
+	return 0;
+}
+/*
+ * generic initialization of ADC, input mixers and output mixers
+ */
+static struct hda_verb vt1709_6ch_volume_init_verbs[] = {
+	/*
+	 * Unmute ADC0-2 and set the default input to mic-in
+	 */
+	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+
+
+	/* Unmute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
+	 * mixer widget
+	 */
+	/* Amp Indices: AOW0=0, CD = 1, Mic1 = 2, Line = 3, Mic2 = 4 */
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(2)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(3)},
+	{0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(4)},
+
+	/*
+	 * Set up output selector (0x1a, 0x1b, 0x29)
+	 */
+	/* set vol=0 to output mixers */
+	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x1b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x29, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+
+	/*
+	 *  Unmute PW3 and PW4
+	 */
+	{0x1f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+	{0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+
+	/* Set input of PW4 as MW0 */
+	{0x20, AC_VERB_SET_CONNECT_SEL, 0},
+	/* Set mic as default input of sw0 */
+	{0x19, AC_VERB_SET_CONNECT_SEL, 0x2},
+	/* PW9 Output enable */
+	{0x24, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40},
+	{ }
+};
+
+static int patch_vt1709_6ch(struct hda_codec *codec)
+{
+	struct via_spec *spec;
+	int err;
+
+	/* create a codec specific record */
+	spec = kcalloc(1, sizeof(*spec), GFP_KERNEL);
+	if (spec == NULL)
+		return -ENOMEM;
+
+	codec->spec = spec;
+
+	err = vt1709_parse_auto_config(codec);
+	if (err < 0) {
+		via_free(codec);
+		return err;
+	} else if (!err) {
+		printk(KERN_INFO "hda_codec: Cannot set up configuration.  "
+		       "Using genenic mode...\n");
+	}
+
+	spec->init_verbs = vt1709_6ch_volume_init_verbs;	
+
+	spec->stream_name_analog = "VT1709 Analog";
+	spec->stream_analog_playback = &vt1709_6ch_pcm_analog_playback;
+	spec->stream_analog_capture = &vt1709_pcm_analog_capture;
+
+	spec->stream_name_digital = "VT1709 Digital";
+	spec->stream_digital_playback = &vt1709_pcm_digital_playback;
+	spec->stream_digital_capture = &vt1709_pcm_digital_capture;
+
+	
+	if (!spec->adc_nids && spec->input_mux) {
+		spec->adc_nids = vt1709_adc_nids;
+		spec->num_adc_nids = ARRAY_SIZE(vt1709_adc_nids);
+		spec->mixers[spec->num_mixers] = vt1709_capture_mixer;
+		spec->num_mixers++;
+	}
+
+	codec->patch_ops = via_patch_ops;
+
+	codec->patch_ops.init = via_auto_init;
+
+	return 0;
+}
+
+/*
+ * patch entries
+ */
+struct hda_codec_preset snd_hda_preset_via[] = {
+	{ .id = 0x11061708, .name = "VIA VT1708", .patch = patch_vt1708},
+	{ .id = 0x11061709, .name = "VIA VT1708", .patch = patch_vt1708},
+	{ .id = 0x1106170A, .name = "VIA VT1708", .patch = patch_vt1708},
+	{ .id = 0x1106170B, .name = "VIA VT1708", .patch = patch_vt1708},
+	{ .id = 0x1106E710, .name = "VIA VT1709 10-Ch", .patch = patch_vt1709_10ch},
+	{ .id = 0x1106E711, .name = "VIA VT1709 10-Ch", .patch = patch_vt1709_10ch},
+	{ .id = 0x1106E712, .name = "VIA VT1709 10-Ch", .patch = patch_vt1709_10ch},
+	{ .id = 0x1106E713, .name = "VIA VT1709 10-Ch", .patch = patch_vt1709_10ch},
+	{ .id = 0x1106E714, .name = "VIA VT1709 6-Ch", .patch = patch_vt1709_6ch},
+	{ .id = 0x1106E715, .name = "VIA VT1709 6-Ch", .patch = patch_vt1709_6ch},
+	{ .id = 0x1106E716, .name = "VIA VT1709 6-Ch", .patch = patch_vt1709_6ch},
+	{ .id = 0x1106E717, .name = "VIA VT1709 6-Ch", .patch = patch_vt1709_6ch},
+	{} /* terminator */
+};