AD74115_OUTPUT_SLEW_LIN_RATE_MASK
rate_val = FIELD_GET(AD74115_OUTPUT_SLEW_LIN_RATE_MASK, tmp);
mask |= AD74115_OUTPUT_SLEW_LIN_RATE_MASK;
tmp |= FIELD_PREP(AD74115_OUTPUT_SLEW_LIN_RATE_MASK, rate_val);