On Thu, Nov 20, 2008 at 03:54:59PM +0000, Liam Girdwood wrote: > On Thu, 2008-11-20 at 13:40 +0100, David GIGUET wrote: > > For example on a cellphone, when you switch to "silent mode" what need > > do you have to power the audio amplifier, and maybe the audio module > > inside the SOC may be stopped, saving more power. > ALSA Soc (ASoC) does this sort of thing already. It can power down > unused audio components when not in use. Have a look at DAPM in > sound/soc and Documentation/sound/alsa/soc for details. There's also some (relatively limited) support for this in the generic AC97 and HDA drivers. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
