[alsa-devel] Support low power consumption for ALC3254

[Takashi Iwai]

On Tue, 07 May 2019 11:07:14 +0200,
Kailang wrote:
> 
> Hi Takashi,
> 
> I had sent other patch before.
> Could it can apply?

Which patch, specifically?

> > -----Original Message-----
> > From: Takashi Iwai <tiwai at suse.de>
> > Sent: Tuesday, May 7, 2019 4:40 PM
> > To: Kailang <kailang at realtek.com>
> > Cc: (alsa-devel at alsa-project.org) <alsa-devel at alsa-project.org>
> > Subject: Re: Support low power consumption for ALC3254
> > 
> > On Tue, 07 May 2019 09:53:24 +0200,
> > Kailang wrote:
> > >
> > > Hi Takashi,
> > >
> > > Chrome OS want to support low power consumption.
> > > This patch will support low consumption.
> > 
> > Looks mostly OK, but one question: why hp_pin isn't set?
> 
> If hp_pin not assigned, depop procedure must run.
> So, if system doesn't have HP. It must assigned default 0x21 pin to run depop procedure.

OK, point taken.  So it's not a headphone pin but other output pin
that requires the same depop workaround.

Now applied the patch.  Thanks.


Takashi