At Wed, 30 May 2007 11:52:31 +0530, Nobin Mathew wrote: > > I am having a doubt regarding ALSA power management. > > My understanding of APM suspend() is like this. > > Freeze the ALSA apps > > Call ALSA driver suspend () > > in the ALSA suspend() function it saves the current state of substream > and changes the state of substream to SUSPENDED. > > My understanding of APM resume() is like this > > Call ALSA driver resume () > > Activate the ALSA apps > > In ALSA resume function it restores the saved state of substream. > > > So my question is when ALSA app will get to know the SUSPENDED state > of substream.??? When issuing any syscalls. Then you'll get ESTRPIPE error, which indicitaes the stream is in the SUSPEND state. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
