SDF_DITHER 3801 drivers/staging/comedi/drivers/cb_pcidas64.c s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DITHER | SDF_CMD_READ; SDF_DITHER 6017 drivers/staging/comedi/drivers/ni_mio_common.c s->subdev_flags = SDF_READABLE | SDF_DIFF | SDF_DITHER;