video_set_drvdata(&data->vdev, data);
i2c_set_clientdata(client, data);
- ret = data->chip->set_power(data, true);
- if (ret)
- goto error_unregister_device;
+ if (data->chip->set_power) {
+ ret = data->chip->set_power(data, true);
+ if (ret)
+ goto error_unregister_device;
+ }
pm_runtime_get_noresume(&client->dev);
pm_runtime_set_active(&client->dev);
pm_runtime_disable(&client->dev);
pm_runtime_set_suspended(&client->dev);
pm_runtime_put_noidle(&client->dev);
- data->chip->set_power(data, false);
+
+ if (data->chip->set_power)
+ data->chip->set_power(data, false);
error_unregister_device:
v4l2_device_unregister(v4l2_dev);
pm_runtime_disable(&client->dev);
pm_runtime_set_suspended(&client->dev);
pm_runtime_put_noidle(&client->dev);
- data->chip->set_power(data, false);
+
+ if (data->chip->set_power)
+ data->chip->set_power(data, false);
video_unregister_device(&data->vdev);
{
struct video_i2c_data *data = i2c_get_clientdata(to_i2c_client(dev));
+ if (!data->chip->set_power)
+ return 0;
+
return data->chip->set_power(data, false);
}
{
struct video_i2c_data *data = i2c_get_clientdata(to_i2c_client(dev));
+ if (!data->chip->set_power)
+ return 0;
+
return data->chip->set_power(data, true);
}