From 94b76ce83de2fb4dd12001bbaef4301dc681700a Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 4 Jun 2014 13:57:02 -0300 Subject: [PATCH] [media] mt9v032: register v4l2 asynchronous subdevice Add support for registering the sensor subdevice using the v4l2-async API. Signed-off-by: Philipp Zabel Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/mt9v032.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c index 86c383385847..c8a40888a8e6 100644 --- a/drivers/media/i2c/mt9v032.c +++ b/drivers/media/i2c/mt9v032.c @@ -1010,10 +1010,19 @@ 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) - v4l2_ctrl_handler_free(&mt9v032->ctrls); + goto err; + mt9v032->subdev.dev = &client->dev; + ret = v4l2_async_register_subdev(&mt9v032->subdev); + if (ret < 0) + goto err; + + return 0; + +err: + media_entity_cleanup(&mt9v032->subdev.entity); + v4l2_ctrl_handler_free(&mt9v032->ctrls); return ret; } @@ -1022,6 +1031,7 @@ 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);