Ross Vandegrift wrote: > Once you throw USB devices into the mix, fixed device numbering goes > out the window and you can't predict what devices show up when. For > example, is there a way to tell the difference between two of the same > USD MIDI interface? The driver has an option to differentiate between devices by their product ID, but it won't work when those are the same model. It's theoretically possible to look at the device path (shown in /proc/asound/cards) which contains the hardware port number, but this isn't supported yet. Regards, Clemens