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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2014-03-26 00:01:44 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-03 00:44:36 -0300
commit5a5394be30dd9725351cdd0f923c1e374dc140cc (patch)
tree6d00ce07213cc634446f6a33abf71e3187e82231
parent08569d6477d76e2fc8fdd41cfb0ce02f59333c69 (diff)
[media] media: entity: Document the media_entity_ops structure
Currently, there's no documentation for the structure. Add a kernel-doc nano documentation to it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-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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