Add a MaxLatency control, and plumb it into the HAL accordingly. Bug: https://bugs.libcamera.org/show_bug.cgi?id=50 Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>