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 56cfb5c..9af8d3b 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;
}
--
2.10.2
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