Re: power management in alsa

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At Wed, 25 Jul 2007 14:36:58 +0200,
Andi Kleen wrote:
> 
> 
> Hallo,
> 
> I noticed ALSA hda seems to only change PCI power management states
> of the sound devices on suspend/resume. Is there a reason the device
> cannot be automatically suspended when nobody has sound opened? 

I made once the automatic power-control patch for hd-audio, but it was
possibly racy and a bit messy implementation, so I abandoned it.
Since then, no one has worked on this issue.


Takashi
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