[alsa-devel] Support low power consumption for ALC3254

[Kailang]

Hi Takashi,

I had sent other patch before.
Could it can apply?

> -----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.

> That is, if the fixup sets up pin 0x21 as HP, the change about hp_pin can be
> avoided, no?


Yes, it hp_pin = 0x21. It doesn't change hp_pin.
> 
> 
> thanks,
> 
> Takashi
> 
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