sound: usb-audio: allow switching altsetting on Roland USB MIDI devices
authorClemens Ladisch <clemens@ladisch.de>
Thu, 22 Oct 2009 07:06:19 +0000 (09:06 +0200)
committerTakashi Iwai <tiwai@suse.de>
Tue, 24 Nov 2009 09:19:49 +0000 (10:19 +0100)
commit96f61d9ade82f3e9503df36809175325e8f5eaca
treef66c2359f060be40f91dab32a49c2f4320f3edad
parent88cdca9c7376f2220171d09dfc2f9e41b4834435
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>
sound/usb/usbmidi.c