On Thu, Jun 01, 2017 at 11:06:51PM -0700, Rajmohan Mani wrote:
> +static int dw9714_probe(struct i2c_client *client,
> + const struct i2c_device_id *devid)
> +{
> + struct dw9714_device *dw9714_dev;
> + int rval;
> +
> + dw9714_dev = devm_kzalloc(&client->dev, sizeof(*dw9714_dev),
> + GFP_KERNEL);
> + if (dw9714_dev == NULL)
> + return -ENOMEM;
> +
> + dw9714_dev->client = client;
> +
> + v4l2_i2c_subdev_init(&dw9714_dev->sd, client, &dw9714_ops);
> + dw9714_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> + dw9714_dev->sd.internal_ops = &dw9714_int_ops;
> +
> + rval = dw9714_init_controls(dw9714_dev);
> + if (rval)
> + goto err_cleanup;
> +
> + rval = media_entity_pads_init(&dw9714_dev->sd.entity, 0, NULL);
> + if (rval < 0)
> + goto err_cleanup;
> +
> + dw9714_dev->sd.entity.function = MEDIA_ENT_F_LENS;
> +
> + rval = v4l2_async_register_subdev(&dw9714_dev->sd);
> + if (rval < 0)
> + goto err_cleanup;
> +
You need pm_runtime_set_active() here.
> + pm_runtime_enable(&client->dev);
> +
> + return 0;
> +
> +err_cleanup:
> + dw9714_subdev_cleanup(dw9714_dev);
> + dev_err(&client->dev, "Probe failed: %d\n", rval);
> + return rval;
> +}
--
Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx
