alts = &iface->altsetting[1];
        altsd = get_iface_desc(alts);
 
+       if (altsd->bNumEndpoints == 2) {
+               static const struct snd_usb_midi_endpoint_info ua700_ep = {
+                       .out_cables = 0x0003,
+                       .in_cables  = 0x0003
+               };
+               static const struct snd_usb_audio_quirk ua700_quirk = {
+                       .type = QUIRK_MIDI_FIXED_ENDPOINT,
+                       .data = &ua700_ep
+               };
+               static const struct snd_usb_midi_endpoint_info uaxx_ep = {
+                       .out_cables = 0x0001,
+                       .in_cables  = 0x0001
+               };
+               static const struct snd_usb_audio_quirk uaxx_quirk = {
+                       .type = QUIRK_MIDI_FIXED_ENDPOINT,
+                       .data = &uaxx_ep
+               };
+               if (chip->usb_id == USB_ID(0x0582, 0x002b))
+                       return snd_usb_create_midi_interface(chip, iface,
+                                                            &ua700_quirk);
+               else
+                       return snd_usb_create_midi_interface(chip, iface,
+                                                            &uaxx_quirk);
+       }
+
        if (altsd->bNumEndpoints != 1)
                return -ENXIO;
 
 
                        },
                        {
                                .ifnum = 3,
-                               .type = QUIRK_MIDI_FIXED_ENDPOINT,
-                               .data = & (const struct snd_usb_midi_endpoint_info) {
-                                       .out_cables = 0x0003,
-                                       .in_cables  = 0x0003
-                               }
+                               .type = QUIRK_AUDIO_EDIROL_UAXX
                        },
                        {
                                .ifnum = -1
                        },
                        {
                                .ifnum = 2,
-                               .type = QUIRK_MIDI_FIXED_ENDPOINT,
-                               .data = & (const struct snd_usb_midi_endpoint_info) {
-                                       .out_cables = 0x0001,
-                                       .in_cables  = 0x0001
-                               }
+                               .type = QUIRK_AUDIO_EDIROL_UAXX
                        },
                        {
                                .ifnum = -1
                        },
                        {
                                .ifnum = 2,
-                               .type = QUIRK_MIDI_FIXED_ENDPOINT,
-                               .data = & (const struct snd_usb_midi_endpoint_info) {
-                                       .out_cables = 0x0001,
-                                       .in_cables  = 0x0001
-                               }
+                               .type = QUIRK_AUDIO_EDIROL_UAXX
                        },
                        {
                                .ifnum = -1