Commit 927c9423dd5f2d1c0b93d5e694ab84b4a5559713 (ALSA: usb-audio: add Edirol UM-3G support) used a wrong quirk type, which would make the driver refuse to attach with the error message "MIDIStreaming interface descriptor not found".
Cc: stable@vger.kernel.org # 3.3 and later Signed-off-by: Clemens Ladisch clemens@ladisch.de --- sound/usb/quirks-table.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
--- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -1792,7 +1792,11 @@ USB_DEVICE_VENDOR_SPEC(0x0582, 0x0108), .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { .ifnum = 0, - .type = QUIRK_MIDI_STANDARD_INTERFACE + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0007, + .in_cables = 0x0007 + } } }, {