At Fri, 25 May 2007 11:27:10 +0530, Nobin Mathew wrote: > > I am implementing power management in my ALSA sound drivers. ALSA > drivers are not working properly after resume. All registers values > are proper and I am able to read back the codec register contents. > > If I do a playback after resume then I am getting lots of "underrun". As Liam already pointed, the underrun is usually irrelevant from the codec registers, as codec chips don't control the DMA transfer. So, it's likely a controller side problem. > After a reboot playback is working fine. > > Is there any known issues with ALSA power management? No. Some drivers may have, but no problem in general. > Why Ubuntu and Redhat does ALSA modules removal before suspend and > insertion after resume? They are either too lazy or too conservative :) Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
