diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/media-request.h | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/include/media/media-request.h b/include/media/media-request.h index bb500b2f9da4..3256fcf3709d 100644 --- a/include/media/media-request.h +++ b/include/media/media-request.h @@ -56,6 +56,9 @@ struct media_request_object; * @access_count: count the number of request accesses that are in progress * @objects: List of @struct media_request_object request objects * @num_incomplete_objects: The number of incomplete objects in the request + * @manual_completion: if true, then the request won't be marked as completed + * when @num_incomplete_objects reaches 0. Call media_request_manual_complete() + * to complete the request after @num_incomplete_objects == 0. * @poll_wait: Wait queue for poll * @lock: Serializes access to this struct */ @@ -68,6 +71,7 @@ struct media_request { unsigned int access_count; struct list_head objects; unsigned int num_incomplete_objects; + bool manual_completion; wait_queue_head_t poll_wait; spinlock_t lock; }; @@ -218,6 +222,38 @@ media_request_get_by_fd(struct media_device *mdev, int request_fd); int media_request_alloc(struct media_device *mdev, int *alloc_fd); +/** + * media_request_mark_manual_completion - Enable manual completion + * + * @req: The request + * + * Mark that the request has to be manually completed by calling + * media_request_manual_complete(). + * + * This function shall be called in the req_queue callback. + */ +static inline void +media_request_mark_manual_completion(struct media_request *req) +{ + req->manual_completion = true; +} + +/** + * media_request_manual_complete - Mark the request as completed + * + * @req: The request + * + * This function completes a request that was marked for manual completion by an + * earlier call to media_request_mark_manual_completion(). The request's + * @manual_completion field is reset to false. + * + * All objects contained in the request must have been completed previously. It + * is an error to call this function otherwise. If such an error occurred, the + * function will WARN and the object completion will be delayed until + * @num_incomplete_objects is 0. + */ +void media_request_manual_complete(struct media_request *req); + #else static inline void media_request_get(struct media_request *req) @@ -336,7 +372,7 @@ void media_request_object_init(struct media_request_object *obj); * @req: The media request * @ops: The object ops for this object * @priv: A driver-specific priv pointer associated with this object - * @is_buffer: Set to true if the object a buffer object. + * @is_buffer: Set to true if the object is a buffer object. * @obj: The object * * Bind this object to the request and set the ops and priv values of |