Hi Jaroslav , It works fine in my Linux PC but when I try to run same on my target device , it gets into infinite loop and never comes out of poll function. Any suggestion to make it work on target device ? On Tue, Aug 3, 2010 at 10:35 AM, sudarshan bisht <bisht.sudarshan@xxxxxxxxx>wrote: > 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 > -- Regards, Sudarshan Bisht _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel