RTL818X_EEPROM_CMD_WRITE
eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
reg |= RTL818X_EEPROM_CMD_WRITE;
eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
reg |= RTL818X_EEPROM_CMD_WRITE;