def METHOD_NAME(self, conf):
    if conf.get('way') == 'sysfs' or conf.get('way') == 'devfile':
        ret, eeprom = self.get_value(conf)
        if ret is False:
            return None
    else:
        eeprom = self.dumpValueByI2c(conf.get('bus'), conf.get('addr'))
    return eeprom