MLXBF_I2C_F_SMBUS_BLOCK
block_en = flags & MLXBF_I2C_F_SMBUS_BLOCK;
request->operation[0].flags |= MLXBF_I2C_F_SMBUS_BLOCK;
request->operation[0].flags |= MLXBF_I2C_F_SMBUS_BLOCK;
request->operation[0].flags |= MLXBF_I2C_F_SMBUS_BLOCK;