pmbus_reg2data
v1 = pmbus_reg2data(data, s1);
v2 = pmbus_reg2data(data, s2);
ret = sysfs_emit(buf, "%lld\n", pmbus_reg2data(data, sensor));
*temp = (int)pmbus_reg2data(pmbus_data, sensor);
data->vout_low[page] = pmbus_reg2data(data, &s);
data->vout_high[page] = pmbus_reg2data(data, &s);
ret = (int)pmbus_reg2data(data, &s) * 1000; /* unit is uV */