On Tue, Aug 24, 2004 at 04:23:10PM +0200, Clemens
Ladisch wrote:
  The snd-usb-audio driver currently supports
multiport USB
 interfaces from ESI/Edirol/Roland/M-Audio/Yamaha. 
 Note that others have reported issues with the M-audio usb devices. 
 The MidiSport MIDI interfaces work just fine (once you have managed to
 get the firmware and to install the firmware loader).  It's the audio
 interfaces that have (rather major) "issues".