On Tuesday 02 June 2009 13:02:38 ext Naveen Krishna Ch wrote: > 2009/6/2 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > > > On Tue, Jun 02, 2009 at 03:24:11PM +0530, Naveen Krishna Ch wrote: > > > I am done with the entire back porting of ASoC. > > > > > > I can see the dapm widgets getting ON/OFF and codec registers being > > > > changed. > > > > > But, there is no audio out. Am i missing somthing > > > > > > A direct aplay should play the audio on the headset, right? By default the headset outputs should work (AudioL2 and AudioR2 is routed to the output). Try with the following: aplay -f dat /dev/urandom If there is no noise, than from another terminal try to play with the alsa mixers... > > > As a first step I would check that there is data being > > transferred over the digital link to the CODEC, then look at the > > audio routing to ensure that the signal is routed to the output. > > Thanks for suggestions.. If aplay exits with timeout, than it means that the clocks are not running. You can check the HW/SW pointers if they are moving while the playback is running: cat /proc/asound/card0/pcm0p/sub0/status -- Péter _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
