int (*link_setup)(struct media_entity *entity,
const struct media_pad *local,
const struct media_pad *remote, u32 flags);
+ int (*link_validate)(struct media_link *link);
};
struct media_entity {
struct media_entity *entity);
struct media_entity *
media_entity_graph_walk_next(struct media_entity_graph *graph);
-void media_entity_pipeline_start(struct media_entity *entity,
- struct media_pipeline *pipe);
+__must_check int media_entity_pipeline_start(struct media_entity *entity,
+ struct media_pipeline *pipe);
void media_entity_pipeline_stop(struct media_entity *entity);
#define media_entity_call(entity, operation, args...) \