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

commit 140d37de62ffe8405282a1d6498f3b4099006384 upstream.

Add the volume control quirk for avoiding the kernel warning
for the Logitech HD Webcam C525
as in the similar commit 36691e1be6ec551eef4a5225f126a281f8c051c2
for the Logitech HD Webcam C310.

Reported-by: Maksim Boyko <maksim.a.boyko@gmail.com>
Tested-by: Maksim Boyko <maksim.a.boyko@gmail.com>
Signed-off-by: Maksim Boyko <maksim.a.boyko@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index d5438083fd6a8072c20275778f1f3b9fa0a42517..95558ef4a7a09c72ed52c4706348d765a40c4314 100644 (file)
--- a/sound/usb/mixer.c
+++ b/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.