]> err.no Git - linux-2.6/commitdiff
[ALSA] hda-codec - Add support of ALC268 codec
authorKailang Yang <kailang@realtek.com.tw>
Tue, 5 Jun 2007 10:30:55 +0000 (12:30 +0200)
committerJaroslav Kysela <perex@suse.cz>
Fri, 20 Jul 2007 09:11:24 +0000 (11:11 +0200)
Added the support of new ALC268 codec chip.

Signed-off-by: Kailang Yang <kailang@realtek.com.tw>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Documentation/sound/alsa/ALSA-Configuration.txt
sound/pci/hda/patch_realtek.c

index ca3e6d5e6a53d202aa4cdf075ff0f8cb2f651c70..7659e5071c41036990f14422a61f3f38fb8dd4ba 100644 (file)
@@ -822,6 +822,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
          basic         fixed pin assignment w/o SPDIF
          auto          auto-config reading BIOS (default)
 
+       ALC268
+         3stack        3-stack model
+         auto          auto-config reading BIOS (default)
+
        ALC882/885
          3stack-dig    3-jack with SPDIF I/O
          6stack-dig    6-jack digital with SPDIF I/O
index c92c97c6cbe5c9e1b0c561960c0664ebf22d544d..49a0fa8ec6796db4cd66c62212c9583032cc9eba 100644 (file)
@@ -98,6 +98,13 @@ enum {
        ALC262_MODEL_LAST /* last tag */
 };
 
+/* ALC268 models */
+enum {
+       ALC268_3ST,
+       ALC268_AUTO,
+       ALC268_MODEL_LAST /* last tag */
+};
+
 /* ALC861 models */
 enum {
        ALC861_3ST,
@@ -7803,6 +7810,515 @@ static int patch_alc262(struct hda_codec *codec)
        return 0;
 }
 
+/*
+ *  ALC268 channel source setting (2 channel)
+ */
+#define ALC268_DIGOUT_NID      ALC880_DIGOUT_NID
+#define alc268_modes           alc260_modes
+       
+static hda_nid_t alc268_dac_nids[2] = {
+       /* front, hp */
+       0x02, 0x03
+};
+
+static hda_nid_t alc268_adc_nids[2] = {
+       /* ADC0-1 */
+       0x08, 0x07
+};
+
+static hda_nid_t alc268_adc_nids_alt[1] = {
+       /* ADC0 */
+       0x08
+};
+
+static struct snd_kcontrol_new alc268_base_mixer[] = {
+       /* output mixer control */
+       HDA_CODEC_VOLUME("Front Playback Volume", 0x2, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Front Playback Switch", 0x14, 0x0, HDA_OUTPUT),
+       HDA_CODEC_VOLUME("Headphone Playback Volume", 0x3, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Headphone Playback Switch", 0x15, 0x0, HDA_OUTPUT),
+       { }
+};
+
+/*
+ * generic initialization of ADC, input mixers and output mixers
+ */
+static struct hda_verb alc268_base_init_verbs[] = {
+       /* Unmute DAC0-1 and set vol = 0 */
+       {0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+       {0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+       {0x03, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+       {0x03, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x03, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+
+       /*
+        * Set up output mixers (0x0c - 0x0e)
+        */
+       /* set vol=0 to output mixers */
+       {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+       {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+        {0x0e, AC_VERB_SET_CONNECT_SEL, 0x00},
+
+       {0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x10, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+
+       {0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40},
+       {0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, 0xc0},
+       {0x16, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40},
+       {0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24},
+       {0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24},
+       {0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20},
+       {0x1c, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20},
+       {0x1d, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20},
+
+       {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x1c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x1d, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
+
+       /* FIXME: use matrix-type input source selection */
+       /* Mixer elements: 0x18, 19, 1a, 1c, 14, 15, 0b */
+       /* Input mixer1: unmute Mic, F-Mic, Line, CD inputs */
+       /* Input mixer2 */
+       {0x23, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
+       {0x23, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x01 << 8))},
+       {0x23, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x02 << 8))},
+       {0x23, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x03 << 8))},
+
+       {0x24, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x00 << 8))},
+       {0x24, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x01 << 8))},
+       {0x24, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x02 << 8))},
+       {0x24, AC_VERB_SET_AMP_GAIN_MUTE, (0x7000 | (0x03 << 8))},
+       { }
+};
+
+/*
+ * generic initialization of ADC, input mixers and output mixers
+ */
+static struct hda_verb alc268_volume_init_verbs[] = {
+       /* set output DAC */
+       {0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x02, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+       {0x03, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x03, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+
+       {0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24},
+       {0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24},
+       {0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20},
+       {0x1c, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20},
+       {0x1d, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20},
+
+       {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
+       {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)},
+       {0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+       {0x10, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
+
+       {0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+       {0x1c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
+
+       /* set PCBEEP vol = 0 */
+       {0x1d, AC_VERB_SET_AMP_GAIN_MUTE, (0xb000 | (0x00 << 8))},
+
+       { }
+};
+
+#define alc268_mux_enum_info alc_mux_enum_info
+#define alc268_mux_enum_get alc_mux_enum_get
+
+static int alc268_mux_enum_put(struct snd_kcontrol *kcontrol,
+                              struct snd_ctl_elem_value *ucontrol)
+{
+       struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct alc_spec *spec = codec->spec;
+       const struct hda_input_mux *imux = spec->input_mux;
+       unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+       static hda_nid_t capture_mixers[3] = { 0x23, 0x24 };
+       hda_nid_t nid = capture_mixers[adc_idx];
+       unsigned int *cur_val = &spec->cur_mux[adc_idx];
+       unsigned int i, idx;
+
+       idx = ucontrol->value.enumerated.item[0];
+       if (idx >= imux->num_items)
+               idx = imux->num_items - 1;
+       if (*cur_val == idx && !codec->in_resume)
+               return 0;
+       for (i = 0; i < imux->num_items; i++) {
+               unsigned int v = (i == idx) ? 0x7000 : 0x7080;
+               snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+                                   v | (imux->items[i].index << 8));
+                snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
+                                   idx );
+       }
+       *cur_val = idx;
+       return 1;
+}
+
+static struct snd_kcontrol_new alc268_capture_alt_mixer[] = {
+       HDA_CODEC_VOLUME("Capture Volume", 0x23, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Capture Switch", 0x23, 0x0, HDA_OUTPUT),
+       {
+               .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 = alc268_mux_enum_info,
+               .get = alc268_mux_enum_get,
+               .put = alc268_mux_enum_put,
+       },
+       { } /* end */
+};
+
+static struct snd_kcontrol_new alc268_capture_mixer[] = {
+       HDA_CODEC_VOLUME("Capture Volume", 0x23, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE("Capture Switch", 0x23, 0x0, HDA_OUTPUT),
+       HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x24, 0x0, HDA_OUTPUT),
+       HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x24, 0x0, HDA_OUTPUT),
+       {
+               .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 = 2,
+               .info = alc268_mux_enum_info,
+               .get = alc268_mux_enum_get,
+               .put = alc268_mux_enum_put,
+       },
+       { } /* end */
+};
+
+static struct hda_input_mux alc268_capture_source = {
+       .num_items = 4,
+       .items = {
+               { "Mic", 0x0 },
+               { "Front Mic", 0x1 },
+               { "Line", 0x2 },
+               { "CD", 0x3 },
+       },
+};
+
+/* create input playback/capture controls for the given pin */
+static int alc268_new_analog_output(struct alc_spec *spec, hda_nid_t nid,
+                                   const char *ctlname, int idx)
+{
+       char name[32];
+       int err;
+
+       sprintf(name, "%s Playback Volume", ctlname);
+       if (nid == 0x14) {
+               err = add_control(spec, ALC_CTL_WIDGET_VOL, name,
+                                 HDA_COMPOSE_AMP_VAL(0x02, 3, idx,
+                                                     HDA_OUTPUT));
+               if (err < 0)
+                       return err;
+       } else if (nid == 0x15) {
+               err = add_control(spec, ALC_CTL_WIDGET_VOL, name,
+                                 HDA_COMPOSE_AMP_VAL(0x03, 3, idx,
+                                                     HDA_OUTPUT));
+               if (err < 0)
+                       return err;
+       } else
+               return -1;
+       sprintf(name, "%s Playback Switch", ctlname);
+       err = add_control(spec, ALC_CTL_WIDGET_MUTE, name,
+                         HDA_COMPOSE_AMP_VAL(nid, 3, idx, HDA_OUTPUT));
+       if (err < 0)
+               return err;
+       return 0;
+}
+
+/* add playback controls from the parsed DAC table */
+static int alc268_auto_create_multi_out_ctls(struct alc_spec *spec,
+                                            const struct auto_pin_cfg *cfg)
+{
+       hda_nid_t nid;
+       int err;
+
+       spec->multiout.num_dacs = 2;    /* only use one dac */
+       spec->multiout.dac_nids = spec->private_dac_nids;
+       spec->multiout.dac_nids[0] = 2;
+       spec->multiout.dac_nids[1] = 3;
+
+       nid = cfg->line_out_pins[0];
+       if (nid)
+               alc268_new_analog_output(spec, nid, "Front", 0);        
+
+       nid = cfg->speaker_pins[0];
+       if (nid == 0x1d) {
+               err = add_control(spec, ALC_CTL_WIDGET_VOL,
+                                 "Speaker Playback Volume",
+                                 HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_INPUT));
+               if (err < 0)
+                       return err;
+       }
+       nid = cfg->hp_pins[0];
+       if (nid)
+               alc268_new_analog_output(spec, nid, "Headphone", 0);
+
+       nid = cfg->line_out_pins[1] | cfg->line_out_pins[2];
+       if (nid == 0x16) {
+               err = add_control(spec, ALC_CTL_WIDGET_MUTE,
+                                 "Mono Playback Switch",
+                                 HDA_COMPOSE_AMP_VAL(nid, 2, 0, HDA_INPUT));
+               if (err < 0)
+                       return err;
+       }
+       return 0;       
+}
+
+/* create playback/capture controls for input pins */
+static int alc268_auto_create_analog_input_ctls(struct alc_spec *spec,
+                                               const struct auto_pin_cfg *cfg)
+{
+       struct hda_input_mux *imux = &spec->private_imux;
+       int i, idx1;
+
+       for (i = 0; i < AUTO_PIN_LAST; i++) {
+               switch(cfg->input_pins[i]) {
+               case 0x18:
+                       idx1 = 0;       /* Mic 1 */
+                       break;
+               case 0x19:
+                       idx1 = 1;       /* Mic 2 */
+                       break;
+               case 0x1a:
+                       idx1 = 2;       /* Line In */
+                       break;
+               case 0x1c:      
+                       idx1 = 3;       /* CD */
+                       break;
+               default:
+                       continue;
+               }
+               imux->items[imux->num_items].label = auto_pin_cfg_labels[i];
+               imux->items[imux->num_items].index = idx1;
+               imux->num_items++;      
+       }
+       return 0;
+}
+
+static void alc268_auto_init_mono_speaker_out(struct hda_codec *codec)
+{
+       struct alc_spec *spec = codec->spec;
+       hda_nid_t speaker_nid = spec->autocfg.speaker_pins[0];
+       hda_nid_t hp_nid = spec->autocfg.hp_pins[0];
+       hda_nid_t line_nid = spec->autocfg.line_out_pins[0];
+       unsigned int    dac_vol1, dac_vol2;
+
+       if (speaker_nid) {
+               snd_hda_codec_write(codec, speaker_nid, 0,
+                                   AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+               snd_hda_codec_write(codec, 0x0f, 0,
+                                   AC_VERB_SET_AMP_GAIN_MUTE,
+                                   AMP_IN_UNMUTE(1));
+               snd_hda_codec_write(codec, 0x10, 0,
+                                   AC_VERB_SET_AMP_GAIN_MUTE,
+                                   AMP_IN_UNMUTE(1));
+       } else {
+               snd_hda_codec_write(codec, 0x0f, 0,
+                                   AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1));
+               snd_hda_codec_write(codec, 0x10, 0,
+                                   AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1));
+       }
+
+       dac_vol1 = dac_vol2 = 0xb000 | 0x40;    /* set max volume  */
+       if (line_nid == 0x14)   
+               dac_vol2 = AMP_OUT_ZERO;
+       else if (line_nid == 0x15)
+               dac_vol1 = AMP_OUT_ZERO;
+       if (hp_nid == 0x14)     
+               dac_vol2 = AMP_OUT_ZERO;
+       else if (hp_nid == 0x15)
+               dac_vol1 = AMP_OUT_ZERO;
+       if (line_nid != 0x16 || hp_nid != 0x16 ||
+           spec->autocfg.line_out_pins[1] != 0x16 ||
+           spec->autocfg.line_out_pins[2] != 0x16)
+               dac_vol1 = dac_vol2 = AMP_OUT_ZERO;
+
+       snd_hda_codec_write(codec, 0x02, 0,
+                           AC_VERB_SET_AMP_GAIN_MUTE, dac_vol1);
+       snd_hda_codec_write(codec, 0x03, 0,
+                           AC_VERB_SET_AMP_GAIN_MUTE, dac_vol2);
+}
+
+/* pcm configuration: identiacal with ALC880 */
+#define alc268_pcm_analog_playback     alc880_pcm_analog_playback
+#define alc268_pcm_analog_capture      alc880_pcm_analog_capture
+#define alc268_pcm_digital_playback    alc880_pcm_digital_playback
+
+/*
+ * BIOS auto configuration
+ */
+static int alc268_parse_auto_config(struct hda_codec *codec)
+{
+       struct alc_spec *spec = codec->spec;
+       int err;
+       static hda_nid_t alc268_ignore[] = { 0 };
+
+       err = snd_hda_parse_pin_def_config(codec, &spec->autocfg,
+                                          alc268_ignore);
+       if (err < 0)
+               return err;
+       if (!spec->autocfg.line_outs)
+               return 0; /* can't find valid BIOS pin config */
+
+       err = alc268_auto_create_multi_out_ctls(spec, &spec->autocfg);
+       if (err < 0)
+               return err;
+       err = alc268_auto_create_analog_input_ctls(spec, &spec->autocfg);
+       if (err < 0)
+               return err;
+
+       spec->multiout.max_channels = 2;
+
+       /* digital only support output */
+       if (spec->autocfg.dig_out_pin)
+               spec->multiout.dig_out_nid = ALC268_DIGOUT_NID;
+
+       if (spec->kctl_alloc)
+               spec->mixers[spec->num_mixers++] = spec->kctl_alloc;
+
+       spec->init_verbs[spec->num_init_verbs++] = alc268_volume_init_verbs;
+       spec->num_mux_defs = 1;
+       spec->input_mux = &spec->private_imux;
+
+       return 1;
+}
+
+#define alc268_auto_init_multi_out     alc882_auto_init_multi_out
+#define alc268_auto_init_hp_out                alc882_auto_init_hp_out
+#define alc268_auto_init_analog_input  alc882_auto_init_analog_input
+
+/* init callback for auto-configuration model -- overriding the default init */
+static void alc268_auto_init(struct hda_codec *codec)
+{
+       alc268_auto_init_multi_out(codec);
+       alc268_auto_init_hp_out(codec);
+       alc268_auto_init_mono_speaker_out(codec);
+       alc268_auto_init_analog_input(codec);
+}
+
+/*
+ * configuration and preset
+ */
+static const char *alc268_models[ALC268_MODEL_LAST] = {
+       [ALC268_3ST]            = "3stack",
+       [ALC268_AUTO]           = "auto",
+};
+
+static struct snd_pci_quirk alc268_cfg_tbl[] = {
+       SND_PCI_QUIRK(0x1043, 0x1205, "ASUS W7J", ALC268_3ST),
+       {}
+};
+
+static struct alc_config_preset alc268_presets[] = {
+       [ALC268_3ST] = {
+               .mixers = { alc268_base_mixer, alc268_capture_alt_mixer },
+               .init_verbs = { alc268_base_init_verbs },
+               .num_dacs = ARRAY_SIZE(alc268_dac_nids),
+               .dac_nids = alc268_dac_nids,
+                .num_adc_nids = ARRAY_SIZE(alc268_adc_nids_alt),
+                .adc_nids = alc268_adc_nids_alt,
+               .hp_nid = 0x03,
+               .dig_out_nid = ALC268_DIGOUT_NID,
+               .num_channel_mode = ARRAY_SIZE(alc268_modes),
+               .channel_mode = alc268_modes,
+               .input_mux = &alc268_capture_source,
+       },
+};
+
+static int patch_alc268(struct hda_codec *codec)
+{
+       struct alc_spec *spec;
+       int board_config;
+       int err;
+
+       spec = kcalloc(1, sizeof(*spec), GFP_KERNEL);
+       if (spec == NULL)
+               return -ENOMEM;
+
+       codec->spec = spec;
+
+       board_config = snd_hda_check_board_config(codec, ALC268_MODEL_LAST,
+                                                 alc268_models,
+                                                 alc268_cfg_tbl);
+
+       if (board_config < 0 || board_config >= ALC268_MODEL_LAST) {
+               printk(KERN_INFO "hda_codec: Unknown model for ALC268, "
+                      "trying auto-probe from BIOS...\n");
+               board_config = ALC268_AUTO;
+       }
+
+       if (board_config == ALC268_AUTO) {
+               /* automatic parse from the BIOS config */
+               err = alc268_parse_auto_config(codec);
+               if (err < 0) {
+                       alc_free(codec);
+                       return err;
+               } else if (!err) {
+                       printk(KERN_INFO
+                              "hda_codec: Cannot set up configuration "
+                              "from BIOS.  Using base mode...\n");
+                       board_config = ALC268_3ST;
+               }
+       }
+
+       if (board_config != ALC268_AUTO)
+               setup_preset(spec, &alc268_presets[board_config]);
+
+       spec->stream_name_analog = "ALC268 Analog";
+       spec->stream_analog_playback = &alc268_pcm_analog_playback;
+       spec->stream_analog_capture = &alc268_pcm_analog_capture;
+
+       spec->stream_name_digital = "ALC268 Digital";
+       spec->stream_digital_playback = &alc268_pcm_digital_playback;
+
+       if (board_config == ALC268_AUTO) {
+               if (!spec->adc_nids && spec->input_mux) {
+                       /* check whether NID 0x07 is valid */
+                       unsigned int wcap = get_wcaps(codec, 0x07);
+
+                       /* get type */
+                       wcap = (wcap & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+                       if (wcap != AC_WID_AUD_IN) {
+                               spec->adc_nids = alc268_adc_nids_alt;
+                               spec->num_adc_nids =
+                                       ARRAY_SIZE(alc268_adc_nids_alt);
+                               spec->mixers[spec->num_mixers] =
+                                       alc268_capture_alt_mixer;
+                               spec->num_mixers++;
+                       } else {
+                               spec->adc_nids = alc268_adc_nids;
+                               spec->num_adc_nids =
+                                       ARRAY_SIZE(alc268_adc_nids);
+                               spec->mixers[spec->num_mixers] =
+                                       alc268_capture_mixer;
+                               spec->num_mixers++;
+                       }
+               }
+       }
+       codec->patch_ops = alc_patch_ops;
+       if (board_config == ALC268_AUTO)
+               spec->init_hook = alc268_auto_init;
+               
+       return 0;
+}
+
 /*
  *  ALC861 channel source setting (2/6 channel selection for 3-stack)
  */
@@ -10728,6 +11244,7 @@ static int patch_alc662(struct hda_codec *codec)
 struct hda_codec_preset snd_hda_preset_realtek[] = {
        { .id = 0x10ec0260, .name = "ALC260", .patch = patch_alc260 },
        { .id = 0x10ec0262, .name = "ALC262", .patch = patch_alc262 },
+       { .id = 0x10ec0268, .name = "ALC268", .patch = patch_alc268 },
        { .id = 0x10ec0861, .rev = 0x100340, .name = "ALC660",
          .patch = patch_alc861 },
        { .id = 0x10ec0660, .name = "ALC660-VD", .patch = patch_alc861vd },