const char *name, size_t length);
struct media_entity *media_get_entity_by_id(struct media_device *media,
__u32 id);
-void media_print_topology(struct media_device *media, int dot);
int media_setup_link(struct media_device *media,
struct media_entity_pad *source, struct media_entity_pad *sink,
__u32 flags);