[PATCHv4 02/15] ov7670: call v4l2_async_register_subdev

[Hans Verkuil]

From: Hans Verkuil <hans.verk...@cisco.com>

Add v4l2-async support for this driver.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
---
 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