[alsa-devel] [PATCH] usb-audio: Fix invalid volume resolution for Logitech HD Webcam C525

11 Aug 2013

Add the volume control quirk for avoiding the kernel warning for the Logitech HD
Webcam C525 as in the similar commit 36691e1be6ec551eef4a5225f126a281f8c051c2
(ALSA: usb-audio: Fix invalid volume resolution for Logitech HD Webcam c310) for
the Logitech HD Webcam C310.
Reported-by: Maksim Boyko maksim.a.boyko@gmail.com
Tested-by: Maksim Boyko maksim.a.boyko@gmail.com
Cc: stable@vger.kernel.org # 3.10.5+
Signed-off-by: Maksim Boyko maksim.a.boyko@gmail.com
-- 
  sound/usb/mixer.c |    1 +
  1 file changed, 1 insertion(+)

--- linux-3.10.5-orig/sound/usb/mixer.c	2013-08-04 12:51:49.000000000
+0400
+++ linux-3.10.5/sound/usb/mixer.c	2013-08-06 21:12:42.274197287
+0400
@@ -888,6 +888,7 @@ static void volume_control_quirks(struct
    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.


-- 
WBR, Maksim Boyko

    

Maksim A. Boyko

Sergei Shtylyov

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