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);