[alsa-devel] Dell new AIO platform

[Takashi Iwai]

On Tue, 06 Mar 2018 10:13:16 +0100,
Kailang wrote:
> 
>  
> 
> > -----Original Message-----
> > From: Takashi Iwai [mailto:tiwai at suse.de] 
> > Sent: Tuesday, March 06, 2018 5:10 PM
> > To: Kailang
> > Cc: Hui Wang; (alsa-devel at alsa-project.org)
> > Subject: Re: Dell new AIO platform
> > 
> > On Tue, 06 Mar 2018 10:03:38 +0100,
> > Kailang wrote:
> > > 
> > >  
> > > 
> > > > -----Original Message-----
> > > > From: Takashi Iwai [mailto:tiwai at suse.de]
> > > > Sent: Tuesday, March 06, 2018 4:49 PM
> > > > To: Kailang
> > > > Cc: (alsa-devel at alsa-project.org)
> > > > Subject: Re: Dell new AIO platform
> > > > 
> > > > On Tue, 06 Mar 2018 08:54:39 +0100,
> > > > Kailang wrote:
> > > > > 
> > > > > Hi Takashi,
> > > > > 
> > > > > This platform was only one phone Jack.
> > > > > Add dummy lineout verb to fix automute mode disable.
> > > > > This just the workarround.
> > > > 
> > > > I'm not sure why this phantom line pin is needed.
> > > > What happens without that?
> > > 
> > > Looks like I find the root cause for this issue, since 
> > there is only one output device (headphone）， so the Auto-mute 
> > is not supported on this machine, as a result, when users 
> > plug headphone to the jack, audomute_hook or hp_automute_hook 
> > will not be called, then the alc_update_headset_mode() will 
> > not be called, and alc_headset_mode_default() will not be 
> > called. the headset jack is always in the 
> > alc_headset_mode_unplugged() state.
> > 
> > OK, now understood.
> > 
> > I can take the patch as a tentative workaround.
> > But for the proper fix, could you give alsa-info.sh output?
> 
> I had no machine in my site.
> 
> Hi Hui Wang,
> 
> Could you help to send alsa-info.sh output to Takashi?

Meanwhile, I found there is another quirk
ALC274_FIXUP_DELL_AIO_LINEOUT_VERB, which looks like serving for a
similar purpose, but with more stuff (e.g. bind-dac).


thanks,

Takashi