d35cf6e4e4
Providing an empty set of roles is permitted to generate an empty configuration from the pipeline handlers. Overload the generateConfiguration() function such that not specifying a roles parameter will use an empty set, and return an empty configuration. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>