ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion
authorWolfram Sang <wsa@the-dreams.de>
Fri, 29 May 2015 10:50:56 +0000 (19:50 +0900)
committerTakashi Iwai <tiwai@suse.de>
Fri, 29 May 2015 10:57:49 +0000 (12:57 +0200)
Fix this from the logs:

usb 7-1: New USB device found, idVendor=046d, idProduct=08ca
...
usb 7-1: Warning! Unlikely big volume range (=3072), cval->res is probably wrong.
usb 7-1: [5] FU [Mic Capture Volume] ch = 1, val = 4608/7680/1

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/mixer.c

index 3e2ef61c627b831bfec65724cc7166db051f5099..4256fdedbd800938a0f1aa9a6f864e8619df34d7 100644 (file)
@@ -918,6 +918,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
        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, 0x08ca): /* Logitech Quickcam Fusion */
        case USB_ID(0x046d, 0x0991):
        /* Most audio usb devices lie about volume resolution.
         * Most Logitech webcams have res = 384.