AC0_BIT 489 drivers/staging/comedi/drivers/ni_at_a2150.c devpriv->config_bits |= AC0_BIT; AC0_BIT 491 drivers/staging/comedi/drivers/ni_at_a2150.c devpriv->config_bits &= ~AC0_BIT; AC0_BIT 593 drivers/staging/comedi/drivers/ni_at_a2150.c devpriv->config_bits &= ~AC0_BIT;