--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -269,6 +269,32 @@ YAMAHA_DEVICE(0x105a, NULL),
 YAMAHA_DEVICE(0x105b, NULL),
 YAMAHA_DEVICE(0x105c, NULL),
 YAMAHA_DEVICE(0x105d, NULL),
+{
+	USB_DEVICE(0x0499, 0x1503),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		/* .vendor_name = "Yamaha", */
+		/* .product_name = "MOX6/MOX8", */
+		.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_YAMAHA
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
 YAMAHA_DEVICE(0x2000, "DGP-7"),
 YAMAHA_DEVICE(0x2001, "DGP-5"),
 YAMAHA_DEVICE(0x2002, NULL),