Thanks for the reply , I will try the same soon . On Fri, Jul 30, 2010 at 7:00 PM, Jaroslav Kysela <perex@xxxxxxxx> wrote: > On Fri, 30 Jul 2010, sudarshan bisht wrote: > > Hi , >> >> I wanted to know that can we use multiple handlers for the same ALSA mixer >> ? >> >> My use case is something like this . >> >> I have two modules and having two different handlers for ALSA mixer. >> First >> module does some volume change , and I try to read the latest volume using >> my second handler ( of first second module) . >> >> But I am not getting the most recent value in second handler ( the volume >> set by the first module ) so I feel there is some inconsistency when I >> use >> two handlers from two different modules in order to fetch volume >> information >> from the ALSA mixer. >> > > You must sync the cached information using poll() or select() on file > descriptors returned by snd_mixer_poll_descriptors_*() functions and call > snd_mixer_handle_events() if any events are waiting. > > Jaroslav > > ----- > Jaroslav Kysela <perex@xxxxxxxx> > Linux Kernel Sound Maintainer > ALSA Project, Red Hat, Inc. > > -- Regards, Sudarshan Bisht _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
