snd_usbmidi_create
err = snd_usbmidi_create(card, ua->intf[INTF_MIDI],
return snd_usbmidi_create(card, iface,
return snd_usbmidi_create(card, iface,
return snd_usbmidi_create(card, iface, &usx2y(card)->midi_list, quirk);