[media] ov7670: call v4l2_async_register_subdev

Add v4l2-async support for this driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2016-08-16 15:55:58 -03:00 committed by Mauro Carvalho Chehab
parent bba582894a
commit 7d1b8619ea

View File

@ -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;
}