das1800_ai_cancel 861 drivers/staging/comedi/drivers/das1800.c das1800_ai_cancel(dev, s); das1800_ai_cancel 1278 drivers/staging/comedi/drivers/das1800.c s->cancel = das1800_ai_cancel; das1800_ai_cancel 1330 drivers/staging/comedi/drivers/das1800.c das1800_ai_cancel(dev, dev->read_subdev);