From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
include/media/media-entity.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 516d73a2941e..ad4020b2df65 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);
};
/**
--
2.25.1
