diff --git a/[refs] b/[refs]
index 5fa09f9412ac..4c126be6257b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 05422575d4bc5d1a6aff22dfa9a0b5bc701ccf6f
+refs/heads/master: 119c4ff52e5250a476054e6faca9a85422a0402b
diff --git a/trunk/sound/usb/usbquirks.h b/trunk/sound/usb/usbquirks.h
index edb88871ff4a..bb7829cf98dc 100644
--- a/trunk/sound/usb/usbquirks.h
+++ b/trunk/sound/usb/usbquirks.h
@@ -294,7 +294,8 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 {
-	/* a later revision uses ID 0x0099 */
+	/* Has ID 0x0099 when not in "Advanced Driver" mode.
+	 * The UM-2EX has only one input, but we cannot detect this. */
 	USB_DEVICE(0x0582, 0x0005),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		.vendor_name = "EDIROL",
@@ -385,7 +386,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 {
-	/* a later revision uses ID 0x009d */
+	/* has ID 0x009d when not in "Advanced Driver" mode */
 	USB_DEVICE(0x0582, 0x0009),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		.vendor_name = "EDIROL",