[alsa-devel] Triggering a DAPM widget event

[Mark Brown]

On Thu, Jan 27, 2011 at 09:09:39AM +0200, Peter Ujfalusi wrote:

> If you stop, and restart the playback stream within 5 sec, events will
> not be triggered on the widgets, since they are still powered.

It's worth remembering (mostly for the original poster, I know you're
aware of this) that all this is completely invisible to applications.
Applications should just say what they're using at any given time, the
kernel will then power off as much as it can.