source_use 455 drivers/media/v4l2-core/v4l2-mc.c int source_use; source_use 459 drivers/media/v4l2-core/v4l2-mc.c source_use = pipeline_pm_use_count(source, graph); source_use 466 drivers/media/v4l2-core/v4l2-mc.c pipeline_pm_power(sink, -source_use, graph); source_use 477 drivers/media/v4l2-core/v4l2-mc.c ret = pipeline_pm_power(sink, source_use, graph);