Am Samstag, den 04.02.2012, 10:40 -0800 schrieb Arjan van de Ven:
> On 2/4/2012 10:10 AM, Paul Menzel wrote:

> > 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)

Thank you for the suggestion. PulseAudio is not installed on the system
though. How can I find out which process is using an audio device?


Thanks,

Paul

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