[PATCH 3.16.y-ckt 11/71] ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion
From: Luis Henriques <hidden>
Date: 2015-06-25 10:04:16
Also in:
lkml
Subsystem:
sound, the rest · Maintainers:
Jaroslav Kysela, Takashi Iwai, Linus Torvalds
3.16.7-ckt14 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Wolfram Sang <redacted> 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 <redacted> Signed-off-by: Takashi Iwai <redacted> Signed-off-by: Luis Henriques <redacted> --- sound/usb/mixer.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index aa4d14247855..b4283660d430 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c@@ -914,6 +914,7 @@ 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.