The IPAInterface::configure() operation receives a map of ControlInfoMap instances. Pass const references instead to avoid copies when not required (the callee can still make manual copies), and to allow for the future serialization layer to keep references to the original object. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>