[PATCH 07/30] media: entity: Add has_route entity operation

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From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

The optional operation can be used by entities to report whether two
pads are internally connected.

Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 include/media/media-entity.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 532c438b9eb862c5..07df1b8d85a3c1ba 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -193,6 +193,9 @@ struct media_pad {
  * @link_validate:	Return whether a link is valid from the entity point of
  *			view. The media_pipeline_start() function
  *			validates all links by calling this operation. Optional.
+ * @has_route:		Return whether a route exists inside the entity between
+ *			two given pads. Optional. If the operation isn't
+ *			implemented all pads will be considered as connected.
  *
  * .. note::
  *
@@ -205,6 +208,8 @@ struct media_entity_operations {
 			  const struct media_pad *local,
 			  const struct media_pad *remote, u32 flags);
 	int (*link_validate)(struct media_link *link);
+	bool (*has_route)(struct media_entity *entity, unsigned int pad0,
+			  unsigned int pad1);
 };
 
 /**
-- 
2.18.0




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