Add support for registering the sensor subdevice using the v4l2-async API.
Signed-off-by: Philipp Zabel <[email protected]>
---
Changes since v1:
- Fixed cleanup and error handling
---
drivers/media/i2c/mt9v032.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 29d8d8f..83ae8ca6d 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -985,10 +985,20 @@ static int mt9v032_probe(struct i2c_client *client,
mt9v032->pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_init(&mt9v032->subdev.entity, 1, &mt9v032->pad, 0);
+ if (ret < 0)
+ goto err_entity;
+ mt9v032->subdev.dev = &client->dev;
+ ret = v4l2_async_register_subdev(&mt9v032->subdev);
if (ret < 0)
- v4l2_ctrl_handler_free(&mt9v032->ctrls);
+ goto err_async;
+
+ return 0;
+err_async:
+ media_entity_cleanup(&mt9v032->subdev.entity);
+err_entity:
+ v4l2_ctrl_handler_free(&mt9v032->ctrls);
return ret;
}
@@ -997,6 +1007,7 @@ static int mt9v032_remove(struct i2c_client *client)
struct v4l2_subdev *subdev = i2c_get_clientdata(client);
struct mt9v032 *mt9v032 = to_mt9v032(subdev);
+ v4l2_async_unregister_subdev(subdev);
v4l2_ctrl_handler_free(&mt9v032->ctrls);
v4l2_device_unregister_subdev(subdev);
media_entity_cleanup(&subdev->entity);
--
2.0.0.rc2
--
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