Thanks Jaroslav , It works for me !!! On Fri, Jul 30, 2010 at 5:36 PM, sudarshan bisht <bisht.sudarshan@xxxxxxxxx>wrote: > 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 > -- Regards, Sudarshan Bisht _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
