Commit 8a10b4e3 authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Mauro Carvalho Chehab
Browse files

media: i2c: ov772x: Parse endpoint properties 



Parse endpoint properties using v4l2_fwnode_endpoint_alloc_parse()
to determine the bus type and store it in the driver structure.

Set bus_type to V4L2_MBUS_PARALLEL as it's the only supported one

Signed-off-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: default avatarJacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 055e124e

drivers/media/i2c/ov772x.c

+34 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 
#include <media/v4l2-ctrls.h>

#include <media/v4l2-device.h>

#include <media/v4l2-event.h>

#include <media/v4l2-fwnode.h>

#include <media/v4l2-image-sizes.h>

#include <media/v4l2-subdev.h>
@@ -434,6 +435,7 @@ struct ov772x_priv { 
#ifdef CONFIG_MEDIA_CONTROLLER

	struct media_pad pad;

#endif

	enum v4l2_mbus_type		  bus_type;

};



/*
@@ -1348,6 +1350,34 @@ static const struct v4l2_subdev_ops ov772x_subdev_ops = { 
	.pad	= &ov772x_subdev_pad_ops,

};



static int ov772x_parse_dt(struct i2c_client *client,

			   struct ov772x_priv *priv)

{

	struct v4l2_fwnode_endpoint bus_cfg = {

		.bus_type = V4L2_MBUS_PARALLEL

	};

	struct fwnode_handle *ep;

	int ret;



	ep = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL);

	if (!ep) {

		dev_err(&client->dev, "Endpoint node not found\n");

		return -EINVAL;

	}



	ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg);

	if (ret)

		goto error_fwnode_put;



	priv->bus_type = bus_cfg.bus_type;

	v4l2_fwnode_endpoint_free(&bus_cfg);



error_fwnode_put:

	fwnode_handle_put(ep);



	return ret;

}



/*

 * i2c_driver function

 */
@@ -1415,6 +1445,10 @@ static int ov772x_probe(struct i2c_client *client) 
		goto error_clk_put;

	}



	ret = ov772x_parse_dt(client, priv);

	if (ret)

		goto error_clk_put;



	ret = ov772x_video_probe(priv);

	if (ret < 0)

		goto error_gpio_put;