From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
The MC support is needed by the em28xx driver.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/i2c/ov2640.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/ov2640.c b/drivers/media/i2c/ov2640.c
index 0445963c5fae..d1f04a4ca2ac 100644
--- a/drivers/media/i2c/ov2640.c
+++ b/drivers/media/i2c/ov2640.c
@@ -282,6 +282,9 @@ struct ov2640_win_size {
struct ov2640_priv {
struct v4l2_subdev subdev;
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ struct media_pad pad;
+#endif
struct v4l2_ctrl_handler hdl;
u32 cfmt_code;
struct clk *clk;
@@ -1063,6 +1066,7 @@ static int ov2640_probe(struct i2c_client *client,
goto err_clk;
v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
+ priv->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
v4l2_ctrl_handler_init(&priv->hdl, 2);
v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
@@ -1073,19 +1077,28 @@ static int ov2640_probe(struct i2c_client *client,
ret = priv->hdl.error;
goto err_hdl;
}
+#if defined(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 err_hdl;
+#endif
ret = ov2640_video_probe(client);
if (ret < 0)
- goto err_hdl;
+ goto err_videoprobe;
ret = v4l2_async_register_subdev(&priv->subdev);
if (ret < 0)
- goto err_hdl;
+ goto err_videoprobe;
dev_info(&adapter->dev, "OV2640 Probed\n");
return 0;
+err_videoprobe:
+ media_entity_cleanup(&priv->subdev.entity);
err_hdl:
v4l2_ctrl_handler_free(&priv->hdl);
err_clk:
@@ -1099,6 +1112,7 @@ static int ov2640_remove(struct i2c_client *client)
v4l2_async_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);
+ media_entity_cleanup(&priv->subdev.entity);
v4l2_device_unregister_subdev(&priv->subdev);
clk_disable_unprepare(priv->clk);
return 0;
--
2.11.0
--
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