[alsa-devel] [RFC PATCH 1/1] ALSA: hda - add a timer to find and suspend idle codecs
david.henningsson at canonical.com
Tue Aug 14 12:05:15 CEST 2012
On 08/14/2012 07:56 PM, mengdong.lin at intel.com wrote:
> From: Mengdong Lin <mengdong.lin at intel.com>
> This patch sets up a timer to monitor changes of the parameter 'power_save'
> and suspend any idle codecs if power save is re-enabled by the user.
Adding timers means are you adding wakeups to the CPU. That seems
counterproductive if you're trying to save power...?
Is there no way to listen to a change event of some sort instead?
David Henningsson, Canonical Ltd.
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