On 2/4/2012 10:10 AM, Paul Menzel wrote: > Dear PowerTOP folks, > > > looking at the output of PowerTOP 1.97 on two laptops the usage of the > audio codec is always 100 % after the boot. > > 100,0% Device Audio codec hwC0D0: > Realtek > > The same is true with a Conexant codec. > > This happens although power management in ALSA is set up and no sound is > played. > > $ more /sys/module/snd_hda_intel/parameters/power_save_controller > Y > $ more /sys/module/snd_hda_intel/parameters/power_save > 1 > > Most of the time I can get that behavior to change when I play some > audio and then stop it. > > Could you confirm this issues? Then I could possibly send a report to > the ALSA folks. I've seen it a few times when pulse audio kept the guy busy... you can check that by killing the pulseaudio daemon (don't worry, it'll come back the next time you play a sound)
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