ALSA: usb-audio: Fix invalid volume resolution for Logitech HD Webcam C525

Add the volume control quirk for avoiding the kernel warning
for the Logitech HD Webcam C525
as in the similar commit 36691e1
for the Logitech HD Webcam C310.

Reported-by: Maksim Boyko <[email protected]>
Tested-by: Maksim Boyko <[email protected]>
Cc: <[email protected]> # 3.10.5+
Signed-off-by: Maksim Boyko <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>

Author: Maksim A. Boyko

sound/usb/mixer.c

@@ -888,6 +888,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 	case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
 	case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
 	case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
+	case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
 	case USB_ID(0x046d, 0x0991):
 	/* Most audio usb devices lie about volume resolution.
 	 * Most Logitech webcams have res = 384.