[alsa-devel] 答复: VT1705 : Mic not working with power_save

[LydiaWang at viatech.com.cn]

> -----邮件原件-----
> 发件人: Anisse Astier [mailto:anisse at astier.eu]
> 发送时间: 2012年2月13日 17:20
> 收件人: Lydia Wang
> 抄送: tiwai at suse.de; alsa-devel at alsa-project.org
> 主题: Re: VT1705 : Mic not working with power_save
> 
> (adding back list in Cc, it was lost)
> 
> On Mon, 13 Feb 2012 10:02:27 +0800, <LydiaWang at viatech.com.cn> wrote :
> 
> > > -----邮件原件-----
> > > 发件人: Anisse Astier [mailto:anisse at astier.eu]
> > > 发送时间: 2012年2月11日 1:56
> > > 收件人: alsa-devel at alsa-project.org
> > > 抄送: Takashi Iwai; Lydia Wang
> > > 主题: VT1705 : Mic not working with power_save
> > >
> > > Hi,
> > >
> > > On the hardware described in attached alsa-info (VT1705), I have the
> > > following problem:
> > >  - mic doesn't work
> > >  - if, while recording, we switch "input source", mic works during the
> > >    recording session.
> > >
> > > Passing power_save=0 as a parameter to snd-hda-intel solves the problem.
> > >
> > > It was reproduced on linus' master branch, tiwai's for-next branch,
> > > and 3.2 branch.
> > >
> > > Regards,
> > >
> > > Anisse
> >
> > Hi,
> >
> > The log showed that your machine had two microphones, one is an internal mic,
> > and the other is a rear mic. Which microphone did you use? The log showed
> > currently used mic is the internal mic. The rear mic was not plugged in a
> jack.
> >
> > Lydia
> 
> On this hardware, there's only an internal mic, and no physical jack to
> plug another input.

So " mic doesn't work " means recording fail or playback as aa-path fail?
And could you mail me log file when power_saver=1? Thanks.

Lydia