linux-kernel - Re: [BUG]3.14-rc2 [PATCH] Revert "ALSA: hda/realtek

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Date:	Wed, 12 Feb 2014 19:58:22 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Martin Kepplinger <martink@...teo.de>
Cc:	perex@...ex.cz, david.henningsson@...onical.com,
	hui.wang@...onical.com, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG]3.14-rc2 [PATCH] Revert "ALSA: hda/realtek - Avoid invalid COEFs for ALC271X"

At Wed, 12 Feb 2014 19:31:36 +0100,
Martin Kepplinger wrote:
> 
> Am 2014-02-12 17:45, schrieb Takashi Iwai:
> > At Wed, 12 Feb 2014 17:20:21 +0100,
> > Takashi Iwai wrote:
> >>
> >> At Wed, 12 Feb 2014 17:09:23 +0100,
> >> Martin Kepplinger wrote:
> >>>
> >>> This reverts commit d3c56568f43807135f2c2a09582a69f809f0d8b7.
> >>>
> >>> The reverted commit breaks audio through headphone line out on
> >>> the Acer TravelMate B113 (Type1Sku0) Notebook, my main work
> >>> machine. I don't know much about it but this fixes my problem.
> >>> Bisected and tested.
> >>>
> >>> Tested-by: Martin Kepplinger <martink@...teo.de>
> >>> Signed-off-by: Martin Kepplinger <martink@...teo.de>
> >>
> >> Too bad, we need COEF for some machine but it breaks for some.
> >> Since reverting breaks obviously another machine, we need a different
> >> approach, e.g. checking the machine ID.  Please give alsa-info.sh
> >> output of your machine.
> > 
> > Thinking it again, I'll take your patch as is, and put an additional
> > fix for AO725 as below.  Could you try it to see whether it brings any
> > regressions?  It's to be applied after your revert patch.
> > 
> > 
> > thanks,
> > 
> > Takashi
> > 
> > -- 8< --
> > From: Takashi Iwai <tiwai@...e.de>
> > Subject: [PATCH] ALSA: hda - Better fix for invalid COEF setup on Acer AO725
> > 
> > Instead of disabling the COEF setup for all ALC271X codec (like commit
> > d3c56568), do it only if needed.  Currently, Acer AO725 is known to
> > show the problem, so clear the bad init_hook in the fixup.
> > 
> > The explicit call of alc269_fill_coef() in patch_alc269() is also
> > removed, since the function will be called anyway at init callback.
> > 
> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=52181
> > Cc: <stable@...r.kernel.org>
> > Signed-off-by: Takashi Iwai <tiwai@...e.de>
> > ---
> >  sound/pci/hda/patch_realtek.c | 18 ++++++++++++++++--
> >  1 file changed, 16 insertions(+), 2 deletions(-)
> > 
> > diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> > index a9a83b85517a..eaff10598f67 100644
> > --- a/sound/pci/hda/patch_realtek.c
> > +++ b/sound/pci/hda/patch_realtek.c
> > @@ -3817,6 +3817,14 @@ static void alc290_fixup_mono_speakers(struct hda_codec *codec,
> >  	}
> >  }
> >  
> > +static void alc_fixup_clear_init_hook(struct hda_codec *codec,
> > +				      const struct hda_fixup *fix, int action)
> > +{
> > +	struct alc_spec *spec = codec->spec;
> > +	if (action == HDA_FIXUP_ACT_PROBE)
> > +		spec->init_hook = NULL;
> > +}
> > +
> >  /* for hda_fixup_thinkpad_acpi() */
> >  #include "thinkpad_helper.c"
> >  
> > @@ -3858,6 +3866,7 @@ enum {
> >  	ALC271_FIXUP_HP_GATE_MIC_JACK,
> >  	ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572,
> >  	ALC269_FIXUP_ACER_AC700,
> > +	ALC271_FIXUP_ACER_AO725,
> >  	ALC269_FIXUP_LIMIT_INT_MIC_BOOST,
> >  	ALC269VB_FIXUP_ASUS_ZENBOOK,
> >  	ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A,
> > @@ -4250,13 +4259,19 @@ static const struct hda_fixup alc269_fixups[] = {
> >  		.type = HDA_FIXUP_FUNC,
> >  		.v.func = alc_fixup_headset_mode_alc255,
> >  	},
> > +	[ALC271_FIXUP_ACER_AO725] = {
> > +		.type = HDA_FIXUP_FUNC,
> > +		.v.func = alc_fixup_clear_init_hook,
> > +		.chained = true,
> > +		.chain_id = ALC271_FIXUP_HP_GATE_MIC_JACK,
> > +	},
> >  };
> >  
> >  static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> >  	SND_PCI_QUIRK(0x1025, 0x029b, "Acer 1810TZ", ALC269_FIXUP_INV_DMIC),
> >  	SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC),
> >  	SND_PCI_QUIRK(0x1025, 0x047c, "Acer AC700", ALC269_FIXUP_ACER_AC700),
> > -	SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK),
> > +	SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_ACER_AO725),
> >  	SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK),
> >  	SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC),
> >  	SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572),
> > @@ -4523,7 +4538,6 @@ static int patch_alc269(struct hda_codec *codec)
> >  		if (err < 0)
> >  			goto error;
> >  		spec->init_hook = alc269_fill_coef;
> > -		alc269_fill_coef(codec);
> >  		break;
> >  
> >  	case 0x10ec0280:
> > 
> 
> So my alsa-info.sh is
> http://www.alsa-project.org/db/?f=3e9c5d39ff057106d6ae307f9b86c1e562056c1b
> and I'm running your patch on top of mine without any problems.

OK.  I queued the patches now.
Thanks!

Takashi
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