Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
---
include/media/media-entity.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index e004591..786906b 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,
--
2.0.4
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