linux-kernel - Re: [PATCH v2] ALSA: hda/realtek - Enable the ALC292 dock fixup on the Thinkpad T460s

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Date:	Mon, 11 Apr 2016 16:43:38 +0200
From:	Sven Eckelmann <sven@...fation.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	alsa-devel@...a-project.org,
	Simon Wunderlich <sw@...onwunderlich.de>,
	Jaroslav Kysela <perex@...ex.cz>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ALSA: hda/realtek - Enable the ALC292 dock fixup on the Thinkpad T460s

On Monday 11 April 2016 16:05:49 Takashi Iwai wrote:
> On Mon, 11 Apr 2016 11:21:38 +0200,
> Sven Eckelmann wrote:
> > 
> > The Lenovo Thinkpad T460s requires the alc_fixup_tpt440_dock as well in
> > order to get working sound output on the docking stations headphone jack.
> > 
> > Patch tested on a Thinkpad T460s (20F9CT01WW) using a ThinkPad Ultradock
> > on kernel 4.4.6.
> > 
> > Signed-off-by: Sven Eckelmann <sven@...fation.org>
> > Tested-by: Simon Wunderlich <sw@...onwunderlich.de>
> > ---
> > v2:
> >  - rebased on current master
> > 
> >  sound/pci/hda/patch_realtek.c | 18 +++++++++++++++++-
> >  1 file changed, 17 insertions(+), 1 deletion(-)
> > 
> > diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> > index fefe83f..36d371c 100644
> > --- a/sound/pci/hda/patch_realtek.c
> > +++ b/sound/pci/hda/patch_realtek.c
> > @@ -4760,6 +4760,8 @@ enum {
> >  	ALC225_FIXUP_DELL1_MIC_NO_PRESENCE,
> >  	ALC280_FIXUP_HP_HEADSET_MIC,
> >  	ALC221_FIXUP_HP_FRONT_MIC,
> > +	ALC292_FIXUP_TPT460_DOCK,
> > +	ALC292_FIXUP_TPT460,
> >  };
> >  
> >  static const struct hda_fixup alc269_fixups[] = {
> > @@ -5409,6 +5411,18 @@ static const struct hda_fixup alc269_fixups[] = {
> >  			{ }
> >  		},
> >  	},
> > +	[ALC292_FIXUP_TPT460_DOCK] = {
> > +		.type = HDA_FIXUP_FUNC,
> > +		.v.func = alc_fixup_tpt440_dock,
> > +		.chained = true,
> > +		.chain_id = ALC269_FIXUP_THINKPAD_ACPI
> > +	},
> > +	[ALC292_FIXUP_TPT460] = {
> > +		.type = HDA_FIXUP_FUNC,
> > +		.v.func = alc_fixup_disable_aamix,
> > +		.chained = true,
> > +		.chain_id = ALC292_FIXUP_TPT460_DOCK,
> > +	},
> 
> We don't need to add two entries but just one, something like below.
> 
> 	[ALC292_FIXUP_TPT460] = {
> 		.type = HDA_FIXUP_FUNC,
> 		.v.func = alc_fixup_tpt440_dock,
> 		.chained = true,
> 		.chain_id = ALC293_FIXUP_LENOVO_SPK_NOISE,
> 	},

Just wanted to keep it consistent with the TPT440 entries.

Kind regards,
	Sven
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