The transformToOrientation() function is called from Orientation operator*(const Orientation &o, const Transform &t); only. Fold the code in the caller and drop the transformToOrientation() function to drop what can be considered as an ill-defined operation from the API. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>