get_raw_temp
if (!opregion->data->get_raw_temp)
raw_temp = opregion->data->get_raw_temp(opregion->regmap, reg);
int (*get_raw_temp)(struct regmap *r, int reg);
.get_raw_temp = intel_bxtwc_pmic_get_raw_temp,
.get_raw_temp = intel_crc_pmic_get_raw_temp,
.get_raw_temp = chtdc_ti_pmic_get_raw_temp,
.get_raw_temp = intel_xpower_pmic_get_raw_temp,
*val = get_raw_temp(data);
*val = get_raw_temp(data) - data->temp_offset;