uvc_ctrl_set      991 drivers/media/usb/uvc/uvc_v4l2.c 	ret = uvc_ctrl_set(handle, &xctrl);
uvc_ctrl_set     1066 drivers/media/usb/uvc/uvc_v4l2.c 		ret = uvc_ctrl_set(handle, ctrl);
uvc_ctrl_set      854 drivers/media/usb/uvc/uvcvideo.h int uvc_ctrl_set(struct uvc_fh *handle, struct v4l2_ext_control *xctrl);