[ALSA] usb-audio: fix Emagic MIDI protocol handling

USB generic driver
Emagic devices pad their packets not with 0xff bytes but with a 0xff
byte followed by garbage, so we have to stop at the first such byte.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2005-08-25 11:10:05 +02:00 committed by Jaroslav Kysela
commit c347e9fca7