HYM8563_SEC
ret = i2c_smbus_write_i2c_block_data(client, HYM8563_SEC, 7, buf);
ret = i2c_smbus_read_byte_data(client, HYM8563_SEC);
ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf);