Re: hda intel - power save - need more help

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At Mon, 2 Jun 2008 15:07:49 +0530,
Harsha priya gupta wrote:
> 
> I verified the value of /sys/modules/snd_hda_intel/parameters/power_save to be
> 10.
> 
> How can i ensure that the analog switches are off? Through Kmix?

Any sane mixer apps you like.  But note that some mixer apps are buggy
and don't show all mixer components.


Takashi

> 
> On Mon, Jun 2, 2008 at 1:01 PM, Takashi Iwai <tiwai@xxxxxxx> wrote:
> 
>     At Mon, 2 Jun 2008 12:15:06 +0530,
>     Harsha priya gupta wrote:
>     >
>     > I checked on these articles on powertop...i manually set it the value to
>     10
>     > for *POWER_SAVE_DEFAULT but still don't see any power saving...
>    
>     Check whether it's really set to 10 in
>     /sys/modules/snd_hda_intel/parameters/power_save.
>    
>     Also, the power-save is turned on only when all analog loopback
>     switches are off, e.g. Mic Playback Switch or Beep Playback Switch
>     must be off.  Otherwise the analog part must be powered on.
> 
>     Takashi
> 
> --
> -Harsha
> 
> 
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