[ALSA] hda-codec - Fix noisy output wtih AD1986A 3stack model

Fixed the noisy output wtih AD1986A 3stack model using 2 channels.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 8 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 32401bd8c229..2bfe37e8543c 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -44,6 +44,7 @@ struct ad198x_spec {
                                          * dig_out_nid and hp_nid are optional
                                          */
         unsigned int cur_eapd;
+        unsigned int need_dac_fix;
 
         /* capture */
         unsigned int num_adc_nids;
@@ -836,10 +837,14 @@ static int patch_ad1986a(struct hda_codec *codec)
         case AD1986A_3STACK:
                 spec->num_mixers = 2;
                 spec->mixers[1] = ad1986a_3st_mixers;
-                spec->num_init_verbs = 2;
+                spec->num_init_verbs = 3;
                 spec->init_verbs[1] = ad1986a_3st_init_verbs;
+                spec->init_verbs[2] = ad1986a_ch2_init;
                 spec->channel_mode = ad1986a_modes;
                 spec->num_channel_mode = ARRAY_SIZE(ad1986a_modes);
+                spec->need_dac_fix = 1;
+                spec->multiout.max_channels = 2;
+                spec->multiout.num_dacs = 1;
                 break;
         case AD1986A_LAPTOP:
                 spec->mixers[0] = ad1986a_laptop_mixers;
@@ -1555,6 +1560,8 @@ static int ad198x_ch_mode_put(struct snd_kcontrol *kcontrol,
 {
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct ad198x_spec *spec = codec->spec;
+        if (spec->need_dac_fix)
+                spec->multiout.num_dacs = spec->multiout.max_channels / 2;
         return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_mode,
                                    spec->num_channel_mode, &spec->multiout.max_channels);
 }