Inject a specialization of std::hash<> for the V4L2PixelFormat class in
the std namespace to make it possible to store instances of the class in
the std::unordered_map and std::unordered_set containers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Paul Elder <paul.elder@ideasonboard.com>
29c09e3ab6