Re: [alsa-devel] [PATCH 0/4 V7] Power-well API implementation for Haswell

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At Wed, 24 Jul 2013 13:57:55 +0200,
David Henningsson wrote:
> 
> On 07/24/2013 01:33 PM, Wang, Xingchao wrote:
> > Yes, I agree. I'm debugging this issue on Ubuntu, not sure it happens on other distribution too.
> > If it's related to Ubuntu, maybe need check Ubuntu power policy. Does anyone know the Ubuntu power-policy on laptop?
> > i.e. when charger connected, will Ubuntu make decision to disable power-save feature for audio subsystem?
> 
> I'm not a power management expert, but I got a pointer from my team mate 
> to pm-utils:
> 
> http://cgit.freedesktop.org/pm-utils/tree/pm/power.d/intel-audio-powersave
> 
> If I understand correctly, The scripts in power.d are executed when 
> battery / AC-power is changed.
> 
> Takashi, does SUSE also use pm-utils?

Yes, until 12.3, at least.  Since 12.3 and later, some portions have
been ported to systemd.


Takashi
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