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

[David Henningsson]

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?


-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic