Hi Akinobu,
On Mon, Apr 16, 2018 at 11:51:45AM +0900, Akinobu Mita wrote:
> Create a source pad and set the media controller type to the sensor.
>
> Cc: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
> Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
Not strictly on this patch, but I'm a bit confused on the difference
between CONFIG_MEDIA_CONTROLLER and CONFIG_VIDEO_V4L2_SUBDEV_API...
Doesn't media controller support mandate implementing subdev APIs as
well?
Thanks
j
> ---
> * v2
> - Move video_probe() before the entity initialization and remove the #ifdef
> around the media_entity_cleanup()
>
> drivers/media/i2c/ov772x.c | 16 +++++++++++++++-
> 1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c
> index 188f2f1..0ae2a4f 100644
> --- a/drivers/media/i2c/ov772x.c
> +++ b/drivers/media/i2c/ov772x.c
> @@ -424,6 +424,9 @@ struct ov772x_priv {
> /* band_filter = COM8[5] ? 256 - BDBASE : 0 */
> unsigned short band_filter;
> unsigned int fps;
> +#ifdef CONFIG_MEDIA_CONTROLLER
> + struct media_pad pad;
> +#endif
> };
>
> /*
> @@ -1318,16 +1321,26 @@ static int ov772x_probe(struct i2c_client *client,
> if (ret < 0)
> goto error_gpio_put;
>
> +#ifdef CONFIG_MEDIA_CONTROLLER
> + priv->pad.flags = MEDIA_PAD_FL_SOURCE;
> + priv->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
> + ret = media_entity_pads_init(&priv->subdev.entity, 1, &priv->pad);
> + if (ret < 0)
> + goto error_gpio_put;
> +#endif
> +
> priv->cfmt = &ov772x_cfmts[0];
> priv->win = &ov772x_win_sizes[0];
> priv->fps = 15;
>
> ret = v4l2_async_register_subdev(&priv->subdev);
> if (ret)
> - goto error_gpio_put;
> + goto error_entity_cleanup;
>
> return 0;
>
> +error_entity_cleanup:
> + media_entity_cleanup(&priv->subdev.entity);
> error_gpio_put:
> if (priv->pwdn_gpio)
> gpiod_put(priv->pwdn_gpio);
> @@ -1343,6 +1356,7 @@ static int ov772x_remove(struct i2c_client *client)
> {
> struct ov772x_priv *priv = to_ov772x(i2c_get_clientdata(client));
>
> + media_entity_cleanup(&priv->subdev.entity);
> clk_put(priv->clk);
> if (priv->pwdn_gpio)
> gpiod_put(priv->pwdn_gpio);
> --
> 2.7.4
>
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