DS1682_REG_EEPROM
rc = i2c_smbus_read_i2c_block_data(client, DS1682_REG_EEPROM + off,
if (i2c_smbus_write_i2c_block_data(client, DS1682_REG_EEPROM + off,
ret = i2c_smbus_read_i2c_block_data(client, DS1682_REG_EEPROM + offset,
ret = i2c_smbus_write_i2c_block_data(client, DS1682_REG_EEPROM + offset,