Hi all, this is my first post to this list. Recently i bought a roland UM-ONE midi-usb interface which i thought worked well with alsa, but it didn't. So i got from lsusb id/vid and added them to sound/usb/quirks-table.h; it seems to work well now with snd-usb-audio, tested on 2 machines. Below there is the patch output for my changes. As a master branch i cloned git://github.com/torvalds/linux.git

----output of git format-patch -----

Roland UM-ONE midi usb interface differs from Roland UM-1.

Signed-off-by: Daniele Guerrieri d.guerrieri@gmail.com --- sound/usb/quirks-table.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index a42e3ef..f041b2e 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -1192,6 +1192,20 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, { + /* Added support for Roland UM-ONE which differs from UM-1 */ + USB_DEVICE(0x0582, 0x012a), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + /* .vendor_name = "ROLAND", */ + /* .product_name = "UM-ONE", */ + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0003 + } + } +}, +{ /* has ID 0x006b when not in "Advanced Driver" mode */ USB_DEVICE_VENDOR_SPEC(0x0582, 0x006a), .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {