On 09/11/2017 10:00 AM, Sakari Ailus wrote:
> Parse async sub-devices by using
> v4l2_subdev_fwnode_reference_parse_sensor_common().
>
> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Regards,
Hans
> ---
> drivers/media/i2c/ov13858.c | 26 +++++++++++++++++++++++---
> 1 file changed, 23 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c
> index af7af0d14c69..0d60defc7492 100644
> --- a/drivers/media/i2c/ov13858.c
> +++ b/drivers/media/i2c/ov13858.c
> @@ -18,6 +18,7 @@
> #include <linux/pm_runtime.h>
> #include <media/v4l2-ctrls.h>
> #include <media/v4l2-device.h>
> +#include <media/v4l2-fwnode.h>
>
> #define OV13858_REG_VALUE_08BIT 1
> #define OV13858_REG_VALUE_16BIT 2
> @@ -1028,6 +1029,7 @@ static const struct ov13858_mode supported_modes[] = {
> struct ov13858 {
> struct v4l2_subdev sd;
> struct media_pad pad;
> + struct v4l2_async_notifier notifier;
>
> struct v4l2_ctrl_handler ctrl_handler;
> /* V4L2 Controls */
> @@ -1715,6 +1717,11 @@ static int ov13858_probe(struct i2c_client *client,
> if (!ov13858)
> return -ENOMEM;
>
> + ret = v4l2_fwnode_reference_parse_sensor_common(
> + &client->dev, &ov13858->notifier);
> + if (ret < 0)
> + return ret;
> +
> /* Initialize subdev */
> v4l2_i2c_subdev_init(&ov13858->sd, client, &ov13858_subdev_ops);
>
> @@ -1722,7 +1729,7 @@ static int ov13858_probe(struct i2c_client *client,
> ret = ov13858_identify_module(ov13858);
> if (ret) {
> dev_err(&client->dev, "failed to find sensor: %d\n", ret);
> - return ret;
> + goto error_notifier_release;
> }
>
> /* Set default mode to max resolution */
> @@ -1730,7 +1737,7 @@ static int ov13858_probe(struct i2c_client *client,
>
> ret = ov13858_init_controls(ov13858);
> if (ret)
> - return ret;
> + goto error_notifier_release;
>
> /* Initialize subdev */
> ov13858->sd.internal_ops = &ov13858_internal_ops;
> @@ -1746,9 +1753,14 @@ static int ov13858_probe(struct i2c_client *client,
> goto error_handler_free;
> }
>
> + ret = v4l2_async_subdev_notifier_register(&ov13858->sd,
> + &ov13858->notifier);
> + if (ret)
> + goto error_media_entity;
> +
> ret = v4l2_async_register_subdev(&ov13858->sd);
> if (ret < 0)
> - goto error_media_entity;
> + goto error_notifier_unregister;
>
> /*
> * Device is already turned on by i2c-core with ACPI domain PM.
> @@ -1761,11 +1773,17 @@ static int ov13858_probe(struct i2c_client *client,
>
> return 0;
>
> +error_notifier_unregister:
> + v4l2_async_notifier_unregister(&ov13858->notifier);
> +
> error_media_entity:
> media_entity_cleanup(&ov13858->sd.entity);
>
> error_handler_free:
> ov13858_free_controls(ov13858);
> +
> +error_notifier_release:
> + v4l2_async_notifier_release(&ov13858->notifier);
> dev_err(&client->dev, "%s failed:%d\n", __func__, ret);
>
> return ret;
> @@ -1777,6 +1795,8 @@ static int ov13858_remove(struct i2c_client *client)
> struct ov13858 *ov13858 = to_ov13858(sd);
>
> v4l2_async_unregister_subdev(sd);
> + v4l2_async_notifier_unregister(&ov13858->notifier);
> + v4l2_async_notifier_release(&ov13858->notifier);
> media_entity_cleanup(&sd->entity);
> ov13858_free_controls(ov13858);
>
>
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