summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/media/i2c/soc_camera/ov2640.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c
index 1fdce2f6f880..16adbccdfa6c 100644
--- a/drivers/media/i2c/soc_camera/ov2640.c
+++ b/drivers/media/i2c/soc_camera/ov2640.c
@@ -1068,6 +1068,10 @@ static int ov2640_probe(struct i2c_client *client,
return -ENOMEM;
}
+ priv->clk = v4l2_clk_get(&client->dev, "mclk");
+ if (IS_ERR(priv->clk))
+ return -EPROBE_DEFER;
+
v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
v4l2_ctrl_handler_init(&priv->hdl, 2);
v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
@@ -1075,24 +1079,27 @@ static int ov2640_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&priv->hdl, &ov2640_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
priv->subdev.ctrl_handler = &priv->hdl;
- if (priv->hdl.error)
- return priv->hdl.error;
-
- priv->clk = v4l2_clk_get(&client->dev, "mclk");
- if (IS_ERR(priv->clk)) {
- ret = PTR_ERR(priv->clk);
- goto eclkget;
+ if (priv->hdl.error) {
+ ret = priv->hdl.error;
+ goto err_clk;
}
ret = ov2640_video_probe(client);
- if (ret) {
- v4l2_clk_put(priv->clk);
-eclkget:
- v4l2_ctrl_handler_free(&priv->hdl);
- } else {
- dev_info(&adapter->dev, "OV2640 Probed\n");
- }
+ if (ret < 0)
+ goto err_videoprobe;
+ ret = v4l2_async_register_subdev(&priv->subdev);
+ if (ret < 0)
+ goto err_videoprobe;
+
+ dev_info(&adapter->dev, "OV2640 Probed\n");
+
+ return 0;
+
+err_videoprobe:
+ v4l2_ctrl_handler_free(&priv->hdl);
+err_clk:
+ v4l2_clk_put(priv->clk);
return ret;
}
@@ -1100,6 +1107,7 @@ static int ov2640_remove(struct i2c_client *client)
{
struct ov2640_priv *priv = to_ov2640(client);
+ v4l2_async_unregister_subdev(&priv->subdev);
v4l2_clk_put(priv->clk);
v4l2_device_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);