458  * pipeline_pm_power_one - Apply power change to an entity
460  * @change: Use count change
462  * Change the entity use count by @change. If the entity is a subdev update its
468 static int pipeline_pm_power_one(struct media_entity *entity, int change)  in pipeline_pm_power_one()  argument
476 	if (entity->use_count == 0 && change > 0 && subdev != NULL) {  in pipeline_pm_power_one()
482 	entity->use_count += change;  in pipeline_pm_power_one()
485 	if (entity->use_count == 0 && change < 0 && subdev != NULL)  in pipeline_pm_power_one()
492  * pipeline_pm_power - Apply power change to all entities in a pipeline
494  * @change: Use count change
501 static int pipeline_pm_power(struct media_entity *entity, int change,  in pipeline_pm_power()  argument
507 	if (!change)  in pipeline_pm_power()
514 			ret = pipeline_pm_power_one(entity, change);  in pipeline_pm_power()
524 			pipeline_pm_power_one(first, -change);  in pipeline_pm_power()
532 	int change = use ? 1 : -1;  in v4l2_pipeline_pm_use()  local
538 	entity->use_count += change;  in v4l2_pipeline_pm_use()
541 	/* Apply power change to connected non-nodes. */  in v4l2_pipeline_pm_use()
542 	ret = pipeline_pm_power(entity, change, &mdev->pm_count_walk);  in v4l2_pipeline_pm_use()
544 		entity->use_count -= change;  in v4l2_pipeline_pm_use()