On 2018年06月21日 19:25, Sakari Ailus wrote:
> 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.
Ack.
Sakari, please help apply patch with this change, thanks!
>> +
>> + return val;
>> +}
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