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Patch "ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion" has been added to the 3.14-stable tree

PATCH [email protected] 1 participant 1 message Jun 19, 2015

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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 3.14-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-3.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

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

---
 sound/usb/mixer.c |    1 +
 1 file changed, 1 insertion(+)
sound/usb/mixer.c +1 -0
@@ -891,6 +891,7 @@ 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-3.14/alsa-usb-audio-add-mic-volume-fix-quirk-for-logitech-quickcam-fusion.patch --
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