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authorTomi Valkeinen <tomi.valkeinen@ideasonboard.com>2022-08-31 16:13:38 +0200
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-09-24 09:20:30 +0200
commit5b4f9a727532ff9732ffc1bceb2017260b81a0ff (patch)
tree1c0551a3937588f9dce7894cfc74bdebc3c00fc2 /include/media/media-entity.h
parentae219872834a32da88408a92a4b4745c11f5a7ce (diff)
media: mc: entity: Add has_pad_interdep entity operation
Add a new media entity operation, has_pad_interdep. The optional op is used to discover the pad interdependencies inside an entity during the pipeline construction. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media/media-entity.h')
-rw-r--r--include/media/media-entity.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 00990b20b3d5..8e9fd309aa65 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -237,6 +237,14 @@ 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_pad_interdep: Return whether a two pads inside the entity are
+ * interdependent. If two pads are interdependent they are
+ * part of the same pipeline and enabling one of the pads
+ * means that the other pad will become "locked" and
+ * doesn't allow configuration changes. pad0 and pad1 are
+ * guaranteed to not both be sinks or sources.
+ * Optional: If the operation isn't implemented all pads
+ * will be considered as interdependent.
*
* .. note::
*
@@ -250,6 +258,8 @@ 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_pad_interdep)(struct media_entity *entity, unsigned int pad0,
+ unsigned int pad1);
};
/**