diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/media-entity.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h index b7a53f5d3e12..e5f6960d92f6 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -671,6 +671,24 @@ static inline void media_entity_cleanup(struct media_entity *entity) {} #endif /** + * media_get_pad_index() - retrieves a pad index from an entity + * + * @entity: entity where the pads belong + * @is_sink: true if the pad is a sink, false if it is a source + * @sig_type: type of signal of the pad to be search + * + * This helper function finds the first pad index inside an entity that + * satisfies both @is_sink and @sig_type conditions. + * + * Return: + * + * On success, return the pad number. If the pad was not found or the media + * entity is a NULL pointer, return -EINVAL. + */ +int media_get_pad_index(struct media_entity *entity, bool is_sink, + enum media_pad_signal_type sig_type); + +/** * media_create_pad_link() - creates a link between two entities. * * @source: pointer to &media_entity of the source pad. |