diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index c5444e0..ab23869 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -799,6 +799,7 @@
 
 	case USB_ID(0x046d, 0x0808):
 	case USB_ID(0x046d, 0x0809):
+	case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
 	case USB_ID(0x046d, 0x0991):
 	/* Most audio usb devices lie about volume resolution.
 	 * Most Logitech webcams have res = 384.