[ALSA] Add support of Benq laptop with ALC262

Added the support of Benq laptop with ALC262 codec.
A model string 'benq' is added, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

2 files changed, 22 insertions, 0 deletions

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index c595acb3bf80..885d2ed88fd0 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -799,6 +799,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
         ALC262
           fujitsu       Fujitsu Laptop
           hp-bpc        HP xw4400/6400/8400/9400 laptops
+          benq          Benq ED8
           basic         fixed pin assignment w/o SPDIF
           auto          auto-config reading BIOS (default)
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 51f76eef9353..42c4f90a92b8 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -79,6 +79,7 @@ enum {
         ALC262_BASIC,
         ALC262_FUJITSU,
         ALC262_HP_BPC,
+        ALC262_BENQ_ED8,
         ALC262_AUTO,
         ALC262_MODEL_LAST /* last tag */
 };
@@ -5504,6 +5505,13 @@ static struct snd_kcontrol_new alc262_fujitsu_mixer[] = {
         { } /* end */
 };
 
+/* additional init verbs for Benq laptops */
+static struct hda_verb alc262_EAPD_verbs[] = {
+        {0x20, AC_VERB_SET_COEF_INDEX, 0x07},
+        {0x20, AC_VERB_SET_PROC_COEF,  0x3070},
+        {}
+};
+
 /* add playback controls from the parsed DAC table */
 static int alc262_auto_create_multi_out_ctls(struct alc_spec *spec, const struct auto_pin_cfg *cfg)
 {
@@ -5783,6 +5791,9 @@ static struct hda_board_config alc262_cfg_tbl[] = {
           .config = ALC262_HP_BPC }, /* xw8400 */
         { .pci_subvendor = 0x103c, .pci_subdevice = 0x12fe,
           .config = ALC262_HP_BPC }, /* xw9400 */
+        { .modelname = "benq", .config = ALC262_BENQ_ED8 },
+        { .pci_subvendor = 0x17ff, .pci_subdevice = 0x0560,
+          .config = ALC262_BENQ_ED8 },
         { .modelname = "auto", .config = ALC262_AUTO },
         {}
 };
@@ -5820,6 +5831,16 @@ static struct alc_config_preset alc262_presets[] = {
                 .channel_mode = alc262_modes,
                 .input_mux = &alc262_HP_capture_source,
         },      
+        [ALC262_BENQ_ED8] = {
+                .mixers = { alc262_base_mixer },
+                .init_verbs = { alc262_init_verbs, alc262_EAPD_verbs },
+                .num_dacs = ARRAY_SIZE(alc262_dac_nids),
+                .dac_nids = alc262_dac_nids,
+                .hp_nid = 0x03,
+                .num_channel_mode = ARRAY_SIZE(alc262_modes),
+                .channel_mode = alc262_modes,
+                .input_mux = &alc262_capture_source,
+        },              
 };
 
 static int patch_alc262(struct hda_codec *codec)