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Commit 4b610d6d authored by Akinobu Mita's avatar Akinobu Mita Committed by Mauro Carvalho Chehab
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media: ov772x: add media controller support 



Create a source pad and set the media controller type to the sensor.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: default avatarJacopo Mondi <jacopo@jmondi.org>
Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 30f3b17e

drivers/media/i2c/ov772x.c

+15 −1
Original line number Diff line number Diff line
@@ -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

};



/*
@@ -1316,16 +1319,26 @@ 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);
@@ -1341,6 +1354,7 @@ 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);