| 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. |
