i2c_free_slave_host_notify_device
i2c_free_slave_host_notify_device(priv->host_notify_client);
i2c_free_slave_host_notify_device(i2c_dev->host_notify_client);
EXPORT_SYMBOL_GPL(i2c_free_slave_host_notify_device);
void i2c_free_slave_host_notify_device(struct i2c_client *client);