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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2022-08-31 16:13:38 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-09-24 09:20:30 +0200 |
| commit | 5b4f9a727532ff9732ffc1bceb2017260b81a0ff (patch) | |
| tree | 1c0551a3937588f9dce7894cfc74bdebc3c00fc2 /include/media | |
| parent | media: mc: entity: Rewrite media_pipeline_start() (diff) | |
| download | linux-5b4f9a727532ff9732ffc1bceb2017260b81a0ff.tar.xz linux-5b4f9a727532ff9732ffc1bceb2017260b81a0ff.zip | |
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')
| -rw-r--r-- | include/media/media-entity.h | 10 |
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); }; /** |