On Wed, 20 May 2015 07:01:12 +0200 Takashi Iwai wrote: > From: Takashi Iwai <ti...@suse.de> > Subject: [PATCH] ALSA: hda - Disable widget power-saving for ALC292 & co > > We've got reports that ALC3226 (a Dell variant of ALC292) gives click > noises at transition from D3 to D0 when the widget power-saving is > enabled. Further debugging session showed that avoiding it isn't > trivial, unfortunately, since paths are basically activated > dynamically while the pins have been already enabled. > > This patch disables the widget power-saving for such codecs. > > Reported-by: Jonathan McDowell <nood...@earth.li> > Signed-off-by: Takashi Iwai <ti...@suse.de> > --- > sound/pci/hda/patch_realtek.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c > index 2e246fe495f6..31f8f13be907 100644 > --- a/sound/pci/hda/patch_realtek.c > +++ b/sound/pci/hda/patch_realtek.c > @@ -5623,7 +5623,8 @@ static int patch_alc269(struct hda_codec *codec) > > spec = codec->spec; > spec->gen.shared_mic_vref_pin = 0x18; > - codec->power_save_node = 1; > + if (codec->core.vendor_id != 0x10ec0292) > + codec->power_save_node = 1; > > snd_hda_pick_fixup(codec, alc269_fixup_models, > alc269_fixup_tbl, alc269_fixups);
I'm on 4.1-rc7 which appears to contain this patch, however, I still get the audio artifacts (crackles) when I boot my laptop (Latitude E7440): [ 1.058839] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC3226: line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:line [ 1.058843] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=1 (0x14/0x0/0x0/0x0/0x0) [ 1.058846] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0) [ 1.058849] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 [ 1.058851] snd_hda_codec_realtek hdaudioC1D0: inputs: [ 1.058855] snd_hda_codec_realtek hdaudioC1D0: Dock Mic=0x19 [ 1.058859] snd_hda_codec_realtek hdaudioC1D0: Headset Mic=0x1a [ 1.058862] snd_hda_codec_realtek hdaudioC1D0: Internal Mic=0x12 4.0.4 was fine. -- Mihai Donțu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
