This is a note to let you know that I've just added the patch titled
ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-usb-audio-add-mic-volume-fix-quirk-for-logitech-quickcam-fusion.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 1ef9f0583514508bc93427106ceef3215e4eb1a5 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <[email protected]>
Date: Fri, 29 May 2015 19:50:56 +0900
Subject: ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion
From: Wolfram Sang <[email protected]>
commit 1ef9f0583514508bc93427106ceef3215e4eb1a5 upstream.
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 <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/usb/mixer.c | 1 +
1 file changed, 1 insertion(+)
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -918,6 +918,7 @@ static void volume_control_quirks(struct
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.
Patches currently in stable-queue which might be from [email protected] are
queue-4.0/alsa-usb-audio-add-mic-volume-fix-quirk-for-logitech-quickcam-fusion.patch
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