Patch "ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion" has been added to the 4.0-stable tree

Patch "ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion" has been added to the 4.0-stable tree

[gregkh]

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 <stable@vger.kernel.org> know about it.


>From 1ef9f0583514508bc93427106ceef3215e4eb1a5 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa@the-dreams.de>
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 <wsa@the-dreams.de>

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 <wsa@the-dreams.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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 wsa@the-dreams.de are

queue-4.0/alsa-usb-audio-add-mic-volume-fix-quirk-for-logitech-quickcam-fusion.patch
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