On Tue, Jul 07, 2009 at 12:05:45PM +0530, Harsha, Priya wrote: > >-----Original Message----- > >From: Mark Brown [mailto:broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx] > >ALSA core has an interface for representing jacks to user space which > >should be used here - see include/sound/jack.h. > Thanks for the note. I shall look into it further. Can you suggest any > example ALSA driver that uses this functionality so that I can have a A lot of the HDA drivers use it and there's a wrapper for ASoC too - it's fairly likely that if you're running a current kernel your desktop PC will support this interface already. Searching the kernel source for snd_jack_new() should turn up everything there is at the minute. > reference. Also quick question around this, can I use this jack.h to > event the user space? Yes, the jacks currently appear as input devices to applications. Takashi was also considering adding some ALSA-specific ways of reading the state to go alongside these. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
