--- sound/usb/clock.c.orig	2020-07-25 23:39:23.686915955 +0200
+++ sound/usb/clock.c	2020-07-26 00:03:20.077034626 +0200
@@ -186,7 +186,8 @@
 	 * Sample rate changes takes more than 2 seconds for this device. Clock
 	 * validity request returns false during that period.
 	 */
-	if (chip->usb_id == USB_ID(0x07fd, 0x0004)) {
+  if (chip->usb_id == USB_ID(0x07fd, 0x0004) ||
+      chip->usb_id == USB_ID(0x07fd, 0x0005)) {
 		count = 0;
 
 		while ((!ret) && (count < 50)) {
--- sound/usb/pcm.c.orig	2020-07-25 23:42:57.267196819 +0200
+++ sound/usb/pcm.c	2020-07-25 23:42:28.958577798 +0200
@@ -366,6 +366,10 @@
 		ep = 0x84;
 		ifnum = 0;
 		goto add_sync_ep_from_ifnum;
+  case USB_ID(0x07fd, 0x0005): /* MOTU AVB Series */
+    ep = 0x87;
+    ifnum = 2;
+    goto add_sync_ep_from_ifnum;
 	case USB_ID(0x07fd, 0x0008): /* MOTU M Series */
 	case USB_ID(0x31e9, 0x0002): /* Solid State Logic SSL2+ */
 	case USB_ID(0x0d9a, 0x00df): /* RTX6001 */