John McFarland wrote:
> I have never done any alsa tweaking before, but maybe it is just a
> matter of adding a new section to the quirks file and recompiling
> alsa?

Try this:

{
        USB_DEVICE(0x0582, 0x014d),
        .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
                /* .vendor_name = "BOSS", */
                /* .product_name = "GT-100", */
                .ifnum = QUIRK_ANY_INTERFACE,
                .type = QUIRK_COMPOSITE,
                .data = (const struct snd_usb_audio_quirk[]) {
                        {
                                .ifnum = 1,
                                .type = QUIRK_AUDIO_STANDARD_INTERFACE
                        },
                        {
                                .ifnum = 2,
                                .type = QUIRK_AUDIO_STANDARD_INTERFACE
                        },
                        {
                                .ifnum = 3,
                                .type = QUIRK_MIDI_FIXED_ENDPOINT,
                                .data = & (const struct 
snd_usb_midi_endpoint_info) {
                                        .out_cables = 0x0001,
                                        .in_cables  = 0x0001
                                }
                        },
                        {
                                .ifnum = -1
                        }
                }
        }
},


Regards,
Clemens

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