diff mbox series

[v5,08/24] media: entity: Add has_route entity operation

Message ID 20210415130450.421168-9-tomi.valkeinen@ideasonboard.com
State Superseded
Headers show
Series v4l: subdev internal routing | expand

Commit Message

Tomi Valkeinen April 15, 2021, 1:04 p.m. UTC 
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

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

While at there, fix a Sphinx compiler warning in a comment block a few
lines above.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 include/media/media-entity.h | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index d60ff8bf3f9e..466e4357a082 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -187,6 +187,7 @@  enum media_pad_signal_type {
  * @flags:	Pad flags, as defined in
  *		:ref:`include/uapi/linux/media.h <media_header>`
  *		(seek for ``MEDIA_PAD_FL_*``)
+ *
  * .. note::
  *
  *    @stream_count reference count must never be negative, but is a signed
@@ -214,6 +215,10 @@  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. Pads are passed to the operation ordered
+ *			by index. Optional: If the operation isn't implemented
+ *			all pads will be considered as connected.
  *
  * .. note::
  *
@@ -227,6 +232,8 @@  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);
 };
 
 /**