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-rw-r--r--sound/pci/hda/hda_codec.c7
-rw-r--r--sound/pci/hda/hda_local.h1
-rw-r--r--sound/pci/hda/patch_analog.c8
3 files changed, 13 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index ad4cb38..b52f56f 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2485,13 +2485,14 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
/* front */
snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
0, format);
- if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
+ if (!mout->no_share_stream &&
+ mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
/* headphone out will just decode front left/right (stereo) */
snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
0, format);
/* extra outputs copied from front */
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
- if (mout->extra_out_nid[i])
+ if (!mout->no_share_stream && mout->extra_out_nid[i])
snd_hda_codec_setup_stream(codec,
mout->extra_out_nid[i],
stream_tag, 0, format);
@@ -2501,7 +2502,7 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
if (chs >= (i + 1) * 2) /* independent out */
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
i * 2, format);
- else /* copy front */
+ else if (!mout->no_share_stream) /* copy front */
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
0, format);
}
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 20c5e62..8c56c9c 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -220,6 +220,7 @@ struct hda_multi_out {
hda_nid_t dig_out_nid; /* digital out audio widget */
int max_channels; /* currently supported analog channels */
int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
+ int no_share_stream; /* don't share a stream with multiple pins */
};
int snd_hda_multi_out_dig_open(struct hda_codec *codec,
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 0ee8ae4..196ad3c 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -957,6 +957,14 @@ static int patch_ad1986a(struct hda_codec *codec)
break;
}
+ /* AD1986A has a hardware problem that it can't share a stream
+ * with multiple output pins. The copy of front to surrounds
+ * causes noisy or silent outputs at a certain timing, e.g.
+ * changing the volume.
+ * So, let's disable the shared stream.
+ */
+ spec->multiout.no_share_stream = 1;
+
return 0;
}
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