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[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>
This commit is contained in:
Laurent Pinchart 2014-03-26 00:01:44 -03:00 committed by Mauro Carvalho Chehab
parent 08569d6477
commit 5a5394be30
1 changed files with 9 additions and 0 deletions
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9
include/media/media-entity.h
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@ -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,