[alsa-devel] [PATCH] ALSA: hda/realtek - Enable internal speaker & headset mic of ASUS UX431FL

[Takashi Iwai]

On Tue, 03 Sep 2019 07:30:04 +0200,
Jian-Hong Pan wrote:
> 
> Takashi Iwai <tiwai at suse.de> 於 2019年9月2日 週一 下午7:41寫道：
> >
> > On Mon, 02 Sep 2019 12:00:56 +0200,
> > Jian-Hong Pan wrote:
> > >
> > > Original pin node values of ASUS UX431FL with ALC294:
> > >
> > > 0x12 0xb7a60140
> > > 0x13 0x40000000
> > > 0x14 0x90170110
> > > 0x15 0x411111f0
> > > 0x16 0x411111f0
> > > 0x17 0x90170111
> > > 0x18 0x411111f0
> > > 0x19 0x411111f0
> > > 0x1a 0x411111f0
> > > 0x1b 0x411111f0
> > > 0x1d 0x4066852d
> > > 0x1e 0x411111f0
> > > 0x1f 0x411111f0
> > > 0x21 0x04211020
> > >
> > > 1. Has duplicated internal speakers (0x14 & 0x17) which makes the output
> > >    route become confused. So, the output volume cannot be changed by
> > >    setting.
> > > 2. Misses the headset mic pin node.
> > >
> > > This patch disables the confusing speaker (NID 0x14) and enables the
> > > headset mic (NID 0x19).
> >
> > Is 0x14 really a dead pin?  Or is a surround/bass speaker or such?
> 
> I checked Windows (updated to latest and including Realtek MEDIA) on
> ASUS UX431FL laptop again.  Although it has two internal speaker pins,
> there is only one set of internal speaker including left/right
> channels.  And the audio test (Speaker Setup) only shows left/right
> channels.  So, NID 0x14 can be disabled.

OK, thanks for clarification.
I applied the patch now.


Takashi