petrus.mi...@mh8.ath.cx wrote:
> I've install the last version of Ubuntu 11.04 (with last updates)
> 
>   idVendor           0x0582 Roland Corp.
>   idProduct          0x012a 

The UM-ONE is not compatible with the UM-1 and not yet known, so the
driver needs to be changed.

If you know how to compile a kernel, add the following entry anywhere
in sound/usb/quirks-table.h:

{
        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  = 0x0001
                }
        }
},


Regards,
Clemens

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