mgb4_i2c_free
mgb4_i2c_free(&extender);
void mgb4_i2c_free(struct mgb4_i2c_client *client);
mgb4_i2c_free(&vindev->deser);
mgb4_i2c_free(&vindev->deser);
mgb4_i2c_free(ser);
mgb4_i2c_free(&voutdev->ser);