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-rw-r--r--linux/drivers/media/video/v4l2-common.c1
-rw-r--r--linux/drivers/media/video/v4l2-device.c13
2 files changed, 13 insertions, 1 deletions
diff --git a/linux/drivers/media/video/v4l2-common.c b/linux/drivers/media/video/v4l2-common.c
index 0301974dc..8f2db1250 100644
--- a/linux/drivers/media/video/v4l2-common.c
+++ b/linux/drivers/media/video/v4l2-common.c
@@ -774,6 +774,7 @@ void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
const struct v4l2_subdev_ops *ops)
{
v4l2_subdev_init(sd, ops);
+ sd->flags |= V4L2_SUBDEV_FL_IS_I2C;
/* the owner is the same as the i2c_client's driver owner */
sd->owner = client->driver->driver.owner;
/* i2c_client and v4l2_subdev point to one another */
diff --git a/linux/drivers/media/video/v4l2-device.c b/linux/drivers/media/video/v4l2-device.c
index 143f69614..c76f83840 100644
--- a/linux/drivers/media/video/v4l2-device.c
+++ b/linux/drivers/media/video/v4l2-device.c
@@ -84,8 +84,19 @@ void v4l2_device_unregister(struct v4l2_device *v4l2_dev)
v4l2_device_disconnect(v4l2_dev);
/* Unregister subdevs */
- list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list)
+ list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list) {
v4l2_device_unregister_subdev(sd);
+ if (sd->flags & V4L2_SUBDEV_FL_IS_I2C) {
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ /* We need to unregister the i2c client explicitly.
+ We cannot rely on i2c_del_adapter to always
+ unregister clients for us, since if the i2c bus
+ is a platform bus, then it is never deleted. */
+ if (client)
+ i2c_unregister_device(client);
+ }
+ }
}
EXPORT_SYMBOL_GPL(v4l2_device_unregister);