NISTC_INTB_ACK_AO_ERR
ack |= NISTC_INTB_ACK_AO_ERR;
ni_stc_writew(dev, NISTC_INTB_ACK_AO_ERR, NISTC_INTB_ACK_REG);
#define NISTC_INTB_ACK_AO_ALL (NISTC_INTB_ACK_AO_ERR | \