From 43dea228a3ba5463392281535dfb3d3fe56f4c2c Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Sun, 6 Nov 2011 11:25:34 +0100 Subject: [PATCH] ALSA: hda - Fix silent output regression with ALC861 The 3.1 kernel has a regression for ALC861 codec where no sound output is heard with the default setup. It's because the amps in DACs aren't properly unmuted while the output mixers are assigned only to pins. This patch fixes the missing initialization of DACs when no mixer is assigned to them. Tested-by: Andrea Iob Cc: [v3.1+] Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 80d6add8a620..9693059dec84 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3329,6 +3329,12 @@ static void alc_auto_set_output_and_unmute(struct hda_codec *codec, if (nid) snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO); + + /* unmute DAC if it's not assigned to a mixer */ + nid = alc_look_for_out_mute_nid(codec, pin, dac); + if (nid == mix && nid_has_mute(codec, dac, HDA_OUTPUT)) + snd_hda_codec_write(codec, dac, 0, AC_VERB_SET_AMP_GAIN_MUTE, + AMP_OUT_ZERO); } static void alc_auto_init_multi_out(struct hda_codec *codec) -- GitLab