On Tue, Jun 19, 2018 at 02:01:47PM +0800, bingbu.cao@xxxxxxxxx wrote:
> +static int ak7375_probe(struct i2c_client *client)
> +{
> + struct ak7375_device *ak7375_dev;
> + int val;
> +
> + ak7375_dev = devm_kzalloc(&client->dev, sizeof(*ak7375_dev),
> + GFP_KERNEL);
> + if (!ak7375_dev)
> + return -ENOMEM;
> +
> + v4l2_i2c_subdev_init(&ak7375_dev->sd, client, &ak7375_ops);
> + ak7375_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> + ak7375_dev->sd.internal_ops = &ak7375_int_ops;
> + ak7375_dev->sd.entity.function = MEDIA_ENT_F_LENS;
> +
> + val = ak7375_init_controls(ak7375_dev);
> + if (val)
> + goto err_cleanup;
> +
> + val = media_entity_pads_init(&ak7375_dev->sd.entity, 0, NULL);
> + if (val < 0)
> + goto err_cleanup;
> +
> + val = v4l2_async_register_subdev(&ak7375_dev->sd);
> + if (val < 0)
> + goto err_cleanup;
> +
> + pm_runtime_set_active(&client->dev);
> + pm_runtime_enable(&client->dev);
> + pm_runtime_idle(&client->dev);
> +
> + return 0;
> +
> +err_cleanup:
> + v4l2_ctrl_handler_free(&ak7375_dev->ctrls_vcm);
> + media_entity_cleanup(&ak7375_dev->sd.entity);
> + dev_err(&client->dev, "Probe failed: %d\n", val);
This line is redundant, too: the kernel already prints the error value.
> +
> + return val;
> +}
--
Sakari Ailus
sakari.ailus@xxxxxxxxxxxxxxx
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