Unmuting the analog bypass causes any input to be directly bypassed to
the outputs, which is usually not expected by the user.
Signed-off-by: Thierry Reding <thierry.red...@avionic-design.de>
---
Note that this patch could be generalized to include all codec variants
that have this second channel. As I don't have access to all the data
sheets I'll leave that decision up to somebody with more hardware
available.
sound/pci/hda/patch_realtek.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 4f81dd4..54d0917 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3752,8 +3752,15 @@ static void alc_auto_set_output_and_unmute(struct
hda_codec *codec,
if (nid_has_mute(codec, mix, HDA_INPUT)) {
snd_hda_codec_write(codec, mix, 0, AC_VERB_SET_AMP_GAIN_MUTE,
AMP_IN_UNMUTE(0));
- snd_hda_codec_write(codec, mix, 0, AC_VERB_SET_AMP_GAIN_MUTE,
- AMP_IN_UNMUTE(1));
+ /*
+ * On ALC892, the second entry in the connection list is the
+ * analog bypass. Unmuting it will cause any inputs to be
+ * directly forwarded to the corresponding outputs.
+ */
+ if (codec->subsystem_id != 0x10ec0892)
+ snd_hda_codec_write(codec, mix, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE,
+ AMP_IN_UNMUTE(1));
}
/* initialize volume */
nid = alc_look_for_out_vol_nid(codec, pin, dac);
--
1.7.11.4
--
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