V4L2_CID_PAN_SPEED 705 drivers/media/usb/uvc/uvc_ctrl.c .id = V4L2_CID_PAN_SPEED, V4L2_CID_PAN_SPEED 995 drivers/media/v4l2-core/v4l2-ctrls.c case V4L2_CID_PAN_SPEED: return "Pan, Speed";