ADAU1977_REG_DC_HPF_CAL
ADAU1977_REG_DC_HPF_CAL, (x) - 1, 1, 0)
ADAU1977_REG_DC_HPF_CAL, (x) + 3, 1, 0)
.max_register = ADAU1977_REG_DC_HPF_CAL,