[alsa-devel] [RFC PATCH 1/1] ALSA: hda - add a timer to find and suspend idle codecs

Lin, Mengdong mengdong.lin at intel.com
Tue Aug 14 15:55:55 CEST 2012

> I would prefer to create a sysfs file to track the writes rather than using
> this timer hack.

Hi Jaroslav,

I don't want to change the control interface of power saving, for compatibility consideration.

Is it possible that HD-A still uses this "power_save" parameter, but let kernel
send a notification to the driver module? Need to change the generic implementation
of module parameters?


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