On Sun, Aug 1, 2010 at 8:12 PM, Erik de Castro Lopo <mle+la@xxxxxxxxxxxxx> wrote: > Paul Davis wrote: > >> On Sun, Aug 1, 2010 at 9:59 PM, Erik de Castro Lopo >> <mle+la@xxxxxxxxxxxxx> wrote: >> > Hi all, >> > >> > I've acquired a pair of wireless headphones; the type thathas a USB >> > dongle that plus into amy machine and uses analog FM to communicate >> > with the headphones. >> > >> > These JustWorked(tm) under linux, but now I'd like to have audio >> > (either PulseAudio or ALSA) auto switch to the headphones whenever >> > they are plugged in. >> > >> > Is this doable? Any hints? >> >> ALSA can definitely detect the jack insertion. > > Not a jack in this case, a USB device that identifies itself as a > USB audio device. > >> However, it requires a >> user-space app that is paying attention to the "switch". > > Would this info be available over DBus? > It's my understanding that HAL is being phased out in favor of libudev. Writing an application like what you're describing (i.e. watch for a specific USB device to appear or disappear) is very simple with the udev_monitor functions. -w _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
