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-rw-r--r--include/media/media-entity.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index d6d74bcfe183..0c003d817493 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -44,6 +44,15 @@ struct media_pad {
unsigned long flags; /* Pad flags (MEDIA_PAD_FL_*) */
};
+/**
+ * struct media_entity_operations - Media entity operations
+ * @link_setup: Notify the entity of link changes. The operation can
+ * return an error, in which case link setup will be
+ * cancelled. Optional.
+ * @link_validate: Return whether a link is valid from the entity point of
+ * view. The media_entity_pipeline_start() function
+ * validates all links by calling this operation. Optional.
+ */
struct media_entity_operations {
int (*link_setup)(struct media_entity *entity,
const struct media_pad *local,

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