NISTC_AI_START_EDGE 2291 drivers/staging/comedi/drivers/ni_mio_common.c start_stop_select |= NISTC_AI_START_EDGE | NISTC_AI_START_SYNC; NISTC_AI_START_EDGE 2307 drivers/staging/comedi/drivers/ni_mio_common.c start_stop_select |= NISTC_AI_START_EDGE;