> On Mon, 2004-05-17 at 01:00, Joern Nettingsmeier wrote: > > you can use the pre-defined surround40 device, *but* jackd will > > assume it also has 4 input channels and refuse to start, so you have > > to define a new device based on surround40. > > > > add this to your .asoundrc: > > > > ctl.jack42 { > > type hw > > card 0 > > } > > > > pcm.jack42 { > > type asym > > playback.pcm { > > # route for mmap workaround > > type route > > slave.pcm surround40 > > ttable.0.0 1 > > ttable.1.1 1 > > ttable.2.2 1 > > ttable.3.3 1 > > } > > capture.pcm { > > # 2 channels only > > type hw > > card 0 > > } > > } > > > > > > then specify "jack42" as your alsa device when starting jackd. works > > like a charm for me. > > So when this is running, what controls in alsa mixer are relevant for > the additional channels? not at my home box atm, but iirc it's "surround".