450  * pipeline_pm_power_one - Apply power change to an entity
452  * @change: Use count change
454  * Change the entity use count by @change. If the entity is a subdev update its
460 static int pipeline_pm_power_one(struct media_entity *entity, int change)  in pipeline_pm_power_one()  argument
468 	if (entity->use_count == 0 && change > 0 && subdev != NULL) {  in pipeline_pm_power_one()
474 	entity->use_count += change;  in pipeline_pm_power_one()
477 	if (entity->use_count == 0 && change < 0 && subdev != NULL)  in pipeline_pm_power_one()
484  * pipeline_pm_power - Apply power change to all entities in a pipeline
486  * @change: Use count change
493 static int pipeline_pm_power(struct media_entity *entity, int change,  in pipeline_pm_power()  argument
499 	if (!change)  in pipeline_pm_power()
506 			ret = pipeline_pm_power_one(entity, change);  in pipeline_pm_power()
516 			pipeline_pm_power_one(first, -change);  in pipeline_pm_power()
524 	int change = use ? 1 : -1;  in v4l2_pipeline_pm_use()  local
530 	entity->use_count += change;  in v4l2_pipeline_pm_use()
533 	/* Apply power change to connected non-nodes. */  in v4l2_pipeline_pm_use()
534 	ret = pipeline_pm_power(entity, change, &mdev->pm_count_walk);  in v4l2_pipeline_pm_use()
536 		entity->use_count -= change;  in v4l2_pipeline_pm_use()