CONTROL1
das800_ind_write(dev, CONTROL1_INTE | devpriv->do_bits, CONTROL1);
status = das800_ind_read(dev, CONTROL1) & STATUS2_HCEN;
CONTROL1);
das800_ind_write(dev, chan | devpriv->do_bits, CONTROL1);
CONTROL1);
das800_ind_write(dev, CONTROL1_INTE | devpriv->do_bits, CONTROL1);