tree f66c2359f060be40f91dab32a49c2f4320f3edad
parent 88cdca9c7376f2220171d09dfc2f9e41b4834435
author Clemens Ladisch <clemens@ladisch.de> 1256195179 +0200
committer Takashi Iwai <tiwai@suse.de> 1259054389 +0100

sound: usb-audio: allow switching altsetting on Roland USB MIDI devices

Add a mixer control to select between the two altsettings on Roland USB
MIDI devices where the input endpoint is either bulk or interrupt.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>