F_TIA_GAIN
static AFE440X_ATTR(in_intensity3_resistance, F_TIA_GAIN, afe4404_res_table);
static AFE440X_ATTR(in_intensity4_resistance, F_TIA_GAIN, afe4404_res_table);
[F_TIA_GAIN] = REG_FIELD(AFE4404_TIA_GAIN, 0, 2),