[alsa-devel] [PATCH] ALSA: hda/realtek - change the location for one of two front microphones

[Takashi Iwai]

On Fri, 07 Jul 2017 09:29:25 +0200,
Hui Wang wrote:
> 
> On 07/07/2017 02:11 PM, Takashi Iwai wrote:
> > On Fri, 07 Jul 2017 06:08:29 +0200,
> > Hui Wang wrote:
> >> On this Lenovo machine, there are two front mics, and both of them are
> >> assigned the same name "Mic", but pulseaudio can't support two mics
> >> with the same name, as a workaround, we change the location for one of
> >> them, then the driver will assign "Front Mic" and "Mic" for them.
> >>
> >> Cc: stable at vger.kernel.org
> >> Signed-off-by: Hui Wang <hui.wang at canonical.com>
> >> ---
> >>   sound/pci/hda/patch_realtek.c | 14 ++++++++++++++
> >>   1 file changed, 14 insertions(+)
> >>
> >> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> >> index cebf59e..a6c3ce0 100644
> >> --- a/sound/pci/hda/patch_realtek.c
> >> +++ b/sound/pci/hda/patch_realtek.c
> >> @@ -5179,6 +5179,7 @@ enum {
> >>   	ALC233_FIXUP_ASUS_MIC_NO_PRESENCE,
> >>   	ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE,
> >>   	ALC233_FIXUP_LENOVO_MULTI_CODECS,
> >> +	ALC294_FIXUP_LENOVO_MIC_LOCATION,
> >>   };
> >>     static const struct hda_fixup alc269_fixups[] = {
> >> @@ -5962,6 +5963,18 @@ enum {
> >>   		.type = HDA_FIXUP_FUNC,
> >>   		.v.func = alc233_alc662_fixup_lenovo_dual_codecs,
> >>   	},
> >> +	[ALC294_FIXUP_LENOVO_MIC_LOCATION] = {
> >> +		.type = HDA_FIXUP_PINS,
> >> +		.v.pins = (const struct hda_pintbl[]) {
> >> +			/* Change the mic location from front to right, otherwise there are
> >> +			   two front mics with the same name, pulseaudio can't handle them.
> >> +			   This is just a temporary workaround, after applying this fixup,
> >> +			   there will be one "Front Mic" and one "Mic" in this machine.
> >> +			 */
> >> +			{ 0x1a, 0x04a19040 },
> >> +			{ }
> >> +		},
> >> +	},
> > Doesn't this Lenovo device need other quirks like hotkey?
> > Just to be sure.
> So far, we don't meet hotkey issues on this machine.  And this machine
> is not a laptop, here is the picture of this machine:
> http://www3.lenovo.com/us/en/workstations-thinkstation-p-series/thinkstation-p-series-tiny-/ThinkStation-P320-Tiny/p/33TS3TP320T

OK, then I'll apply as is.


thanks,

Takashi