473  * pipeline_pm_power_one - Apply power change to an entity
475  * @change: Use count change
477  * Change the entity use count by @change. If the entity is a subdev update its
483 static int pipeline_pm_power_one(struct media_entity *entity, int change)  in pipeline_pm_power_one()  argument
491 	if (entity->use_count == 0 && change > 0 && subdev != NULL) {  in pipeline_pm_power_one()
497 	entity->use_count += change;  in pipeline_pm_power_one()
500 	if (entity->use_count == 0 && change < 0 && subdev != NULL)  in pipeline_pm_power_one()
507  * pipeline_pm_power - Apply power change to all entities in a pipeline
509  * @change: Use count change
516 static int pipeline_pm_power(struct media_entity *entity, int change,  in pipeline_pm_power()  argument
522 	if (!change)  in pipeline_pm_power()
529 			ret = pipeline_pm_power_one(entity, change);  in pipeline_pm_power()
539 			pipeline_pm_power_one(first, -change);  in pipeline_pm_power()
547 	int change = use ? 1 : -1;  in v4l2_pipeline_pm_use()  local
553 	entity->use_count += change;  in v4l2_pipeline_pm_use()
556 	/* Apply power change to connected non-nodes. */  in v4l2_pipeline_pm_use()
557 	ret = pipeline_pm_power(entity, change, &mdev->pm_count_walk);  in v4l2_pipeline_pm_use()
559 		entity->use_count -= change;  in v4l2_pipeline_pm_use()