diff options
Diffstat (limited to 'include/media/v4l2-device.h')
| -rw-r--r-- | include/media/v4l2-device.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index 3d8e96f6ceb3..0dd3e8e8653e 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h | |||
| @@ -53,7 +53,11 @@ struct v4l2_device { | |||
| 53 | dev may be NULL in rare cases (ISA devices). In that case you | 53 | dev may be NULL in rare cases (ISA devices). In that case you |
| 54 | must fill in the v4l2_dev->name field before calling this function. */ | 54 | must fill in the v4l2_dev->name field before calling this function. */ |
| 55 | int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev); | 55 | int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev); |
| 56 | /* Set v4l2_dev->dev->driver_data to NULL and unregister all sub-devices */ | 56 | /* Set v4l2_dev->dev to NULL. Call when the USB parent disconnects. |
| 57 | Since the parent disappears this ensures that v4l2_dev doesn't have an | ||
| 58 | invalid parent pointer. */ | ||
| 59 | void v4l2_device_disconnect(struct v4l2_device *v4l2_dev); | ||
| 60 | /* Unregister all sub-devices and any other resources related to v4l2_dev. */ | ||
| 57 | void v4l2_device_unregister(struct v4l2_device *v4l2_dev); | 61 | void v4l2_device_unregister(struct v4l2_device *v4l2_dev); |
| 58 | 62 | ||
| 59 | /* Register a subdev with a v4l2 device. While registered the subdev module | 63 | /* Register a subdev with a v4l2 device. While registered the subdev module |