| From 43dea228a3ba5463392281535dfb3d3fe56f4c2c Mon Sep 17 00:00:00 2001 |
| From: Takashi Iwai <tiwai@suse.de> |
| Date: Sun, 6 Nov 2011 11:25:34 +0100 |
| Subject: ALSA: hda - Fix silent output regression with ALC861 |
| |
| From: Takashi Iwai <tiwai@suse.de> |
| |
| commit 43dea228a3ba5463392281535dfb3d3fe56f4c2c upstream. |
| |
| 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 <andrea_iob@yahoo.it> |
| Signed-off-by: Takashi Iwai <tiwai@suse.de> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| sound/pci/hda/patch_realtek.c | 6 ++++++ |
| 1 file changed, 6 insertions(+) |
| |
| --- a/sound/pci/hda/patch_realtek.c |
| +++ b/sound/pci/hda/patch_realtek.c |
| @@ -3077,6 +3077,12 @@ static void alc_auto_set_output_and_unmu |
| 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) |