diff options
Diffstat (limited to 'drivers/media/media-entity.c')
-rw-r--r-- | drivers/media/media-entity.c | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index d37260850e98..256b590fcfcd 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -254,7 +254,7 @@ media_entity_other(struct media_entity *entity, struct media_link *link) } /* push an entity to traversal stack */ -static void stack_push(struct media_entity_graph *graph, +static void stack_push(struct media_graph *graph, struct media_entity *entity) { if (graph->top == MEDIA_ENTITY_ENUM_MAX_DEPTH - 1) { @@ -266,7 +266,7 @@ static void stack_push(struct media_entity_graph *graph, graph->stack[graph->top].entity = entity; } -static struct media_entity *stack_pop(struct media_entity_graph *graph) +static struct media_entity *stack_pop(struct media_graph *graph) { struct media_entity *entity; @@ -285,35 +285,35 @@ static struct media_entity *stack_pop(struct media_entity_graph *graph) #define MEDIA_ENTITY_MAX_PADS 512 /** - * media_entity_graph_walk_init - Allocate resources for graph walk + * media_graph_walk_init - Allocate resources for graph walk * @graph: Media graph structure that will be used to walk the graph * @mdev: Media device * * Reserve resources for graph walk in media device's current * state. The memory must be released using - * media_entity_graph_walk_free(). + * media_graph_walk_free(). * * Returns error on failure, zero on success. */ -__must_check int media_entity_graph_walk_init( - struct media_entity_graph *graph, struct media_device *mdev) +__must_check int media_graph_walk_init( + struct media_graph *graph, struct media_device *mdev) { return media_entity_enum_init(&graph->ent_enum, mdev); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_init); +EXPORT_SYMBOL_GPL(media_graph_walk_init); /** - * media_entity_graph_walk_cleanup - Release resources related to graph walking + * media_graph_walk_cleanup - Release resources related to graph walking * @graph: Media graph structure that was used to walk the graph */ -void media_entity_graph_walk_cleanup(struct media_entity_graph *graph) +void media_graph_walk_cleanup(struct media_graph *graph) { media_entity_enum_cleanup(&graph->ent_enum); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_cleanup); +EXPORT_SYMBOL_GPL(media_graph_walk_cleanup); -void media_entity_graph_walk_start(struct media_entity_graph *graph, - struct media_entity *entity) +void media_graph_walk_start(struct media_graph *graph, + struct media_entity *entity) { media_entity_enum_zero(&graph->ent_enum); media_entity_enum_set(&graph->ent_enum, entity); @@ -322,10 +322,9 @@ void media_entity_graph_walk_start(struct media_entity_graph *graph, graph->stack[graph->top].entity = NULL; stack_push(graph, entity); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_start); +EXPORT_SYMBOL_GPL(media_graph_walk_start); -struct media_entity * -media_entity_graph_walk_next(struct media_entity_graph *graph) +struct media_entity *media_graph_walk_next(struct media_graph *graph) { if (stack_top(graph) == NULL) return NULL; @@ -364,30 +363,30 @@ media_entity_graph_walk_next(struct media_entity_graph *graph) return stack_pop(graph); } -EXPORT_SYMBOL_GPL(media_entity_graph_walk_next); +EXPORT_SYMBOL_GPL(media_graph_walk_next); /* ----------------------------------------------------------------------------- * Pipeline management */ -__must_check int __media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe) +__must_check int __media_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe) { struct media_device *mdev = entity->graph_obj.mdev; - struct media_entity_graph *graph = &pipe->graph; + struct media_graph *graph = &pipe->graph; struct media_entity *entity_err = entity; struct media_link *link; int ret; if (!pipe->streaming_count++) { - ret = media_entity_graph_walk_init(&pipe->graph, mdev); + ret = media_graph_walk_init(&pipe->graph, mdev); if (ret) goto error_graph_walk_start; } - media_entity_graph_walk_start(&pipe->graph, entity); + media_graph_walk_start(&pipe->graph, entity); - while ((entity = media_entity_graph_walk_next(graph))) { + while ((entity = media_graph_walk_next(graph))) { DECLARE_BITMAP(active, MEDIA_ENTITY_MAX_PADS); DECLARE_BITMAP(has_no_links, MEDIA_ENTITY_MAX_PADS); @@ -466,9 +465,9 @@ error: * Link validation on graph failed. We revert what we did and * return the error. */ - media_entity_graph_walk_start(graph, entity_err); + media_graph_walk_start(graph, entity_err); - while ((entity_err = media_entity_graph_walk_next(graph))) { + while ((entity_err = media_graph_walk_next(graph))) { /* Sanity check for negative stream_count */ if (!WARN_ON_ONCE(entity_err->stream_count <= 0)) { entity_err->stream_count--; @@ -486,35 +485,35 @@ error: error_graph_walk_start: if (!--pipe->streaming_count) - media_entity_graph_walk_cleanup(graph); + media_graph_walk_cleanup(graph); return ret; } -EXPORT_SYMBOL_GPL(__media_entity_pipeline_start); +EXPORT_SYMBOL_GPL(__media_pipeline_start); -__must_check int media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe) +__must_check int media_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe) { struct media_device *mdev = entity->graph_obj.mdev; int ret; mutex_lock(&mdev->graph_mutex); - ret = __media_entity_pipeline_start(entity, pipe); + ret = __media_pipeline_start(entity, pipe); mutex_unlock(&mdev->graph_mutex); return ret; } -EXPORT_SYMBOL_GPL(media_entity_pipeline_start); +EXPORT_SYMBOL_GPL(media_pipeline_start); -void __media_entity_pipeline_stop(struct media_entity *entity) +void __media_pipeline_stop(struct media_entity *entity) { - struct media_entity_graph *graph = &entity->pipe->graph; + struct media_graph *graph = &entity->pipe->graph; struct media_pipeline *pipe = entity->pipe; WARN_ON(!pipe->streaming_count); - media_entity_graph_walk_start(graph, entity); + media_graph_walk_start(graph, entity); - while ((entity = media_entity_graph_walk_next(graph))) { + while ((entity = media_graph_walk_next(graph))) { /* Sanity check for negative stream_count */ if (!WARN_ON_ONCE(entity->stream_count <= 0)) { entity->stream_count--; @@ -524,20 +523,20 @@ void __media_entity_pipeline_stop(struct media_entity *entity) } if (!--pipe->streaming_count) - media_entity_graph_walk_cleanup(graph); + media_graph_walk_cleanup(graph); } -EXPORT_SYMBOL_GPL(__media_entity_pipeline_stop); +EXPORT_SYMBOL_GPL(__media_pipeline_stop); -void media_entity_pipeline_stop(struct media_entity *entity) +void media_pipeline_stop(struct media_entity *entity) { struct media_device *mdev = entity->graph_obj.mdev; mutex_lock(&mdev->graph_mutex); - __media_entity_pipeline_stop(entity); + __media_pipeline_stop(entity); mutex_unlock(&mdev->graph_mutex); } -EXPORT_SYMBOL_GPL(media_entity_pipeline_stop); +EXPORT_SYMBOL_GPL(media_pipeline_stop); /* ----------------------------------------------------------------------------- * Module use count |