_pmbus_write_word_data
ret = _pmbus_write_word_data(client, sensor->page, sensor->reg, regval);
ret = _pmbus_write_word_data(client, reg->page, reg->attr->reg, val);
ret = _pmbus_write_word_data(client, s.page, PMBUS_VOUT_COMMAND, (u16)val);
ret = _pmbus_write_word_data(client, page, PMBUS_SMBALERT_MASK, reg | (val << 8));
return _pmbus_write_word_data(client, page,