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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-01-13 18:00:41 +0300 |
|---|---|---|
| committer | Sakari Ailus <sakari.ailus@linux.intel.com> | 2022-03-04 01:27:06 +0300 |
| commit | f17bc788f7b97c36b8f3fbef14555a2a16ee3f69 (patch) | |
| tree | 0900729130e4d0100d67bcc9123b32b98b15dcb7 /include/media | |
| parent | 472377febf848a08f67ed73bb0dc13a907575f82 (diff) | |
| download | linux-f17bc788f7b97c36b8f3fbef14555a2a16ee3f69.tar.xz | |
media: media-entity: Add media_pad_is_streaming() helper function
Add a function to test if a pad is part of a pipeline currently
streaming, and use it through drivers to replace direct access to the
stream_count field. This will help reworking pipeline start/stop without
disturbing drivers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/media-entity.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h index fea489f03d57..8546f13c42a9 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -859,6 +859,18 @@ struct media_link *media_entity_find_link(struct media_pad *source, struct media_pad *media_entity_remote_pad(const struct media_pad *pad); /** + * media_entity_is_streaming - Test if an entity is part of a streaming pipeline + * @entity: The entity + * + * Return: True if the entity is part of a pipeline started with the + * media_pipeline_start() function, false otherwise. + */ +static inline bool media_entity_is_streaming(const struct media_entity *entity) +{ + return entity->stream_count > 0; +} + +/** * media_entity_get_fwnode_pad - Get pad number from fwnode * * @entity: The entity |