[alsa-devel] Support low power consumption for ALC3254

[Kailang]

> -----Original Message-----
> From: Takashi Iwai <tiwai at suse.de>
> Sent: Tuesday, May 7, 2019 5:15 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 11:07:14 +0200,
> Kailang wrote:
> >
> > Hi Takashi,
> >
> > I had sent other patch before.
> > Could it can apply?
> 
> Which patch, specifically?

I resent again.

> 
> > > -----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.

But machine without HP was very few. I don't find it until now.
> 
> Now applied the patch.  Thanks.
> 
> 
> Takashi
> 
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