AC1_BIT 493 drivers/staging/comedi/drivers/ni_at_a2150.c devpriv->config_bits |= AC1_BIT; AC1_BIT 495 drivers/staging/comedi/drivers/ni_at_a2150.c devpriv->config_bits &= ~AC1_BIT; AC1_BIT 594 drivers/staging/comedi/drivers/ni_at_a2150.c devpriv->config_bits &= ~AC1_BIT;