[PATCHv4 02/15] ov7670: call v4l2_async_register_subdev

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From: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Add v4l2-async support for this driver.

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 drivers/media/i2c/ov7670.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index 56cfb5ca9c95..9af8d3b8f848 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -1636,10 +1636,9 @@ static int ov7670_probe(struct i2c_client *client,
 			V4L2_EXPOSURE_AUTO);
 	sd->ctrl_handler = &info->hdl;
 	if (info->hdl.error) {
-		int err = info->hdl.error;
+		ret = info->hdl.error;
 
-		v4l2_ctrl_handler_free(&info->hdl);
-		return err;
+		goto hdl_free;
 	}
 	/*
 	 * We have checked empirically that hw allows to read back the gain
@@ -1651,7 +1650,15 @@ static int ov7670_probe(struct i2c_client *client,
 	v4l2_ctrl_cluster(2, &info->saturation);
 	v4l2_ctrl_handler_setup(&info->hdl);
 
+	ret = v4l2_async_register_subdev(&info->sd);
+	if (ret < 0)
+		goto hdl_free;
+
 	return 0;
+
+hdl_free:
+	v4l2_ctrl_handler_free(&info->hdl);
+	return ret;
 }
 
 
-- 
2.11.0

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