diff options
| -rw-r--r-- | linux/drivers/media/video/v4l2-dev.c | 3 | ||||
| -rw-r--r-- | linux/include/media/v4l2-dev.h | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/linux/drivers/media/video/v4l2-dev.c b/linux/drivers/media/video/v4l2-dev.c index f877d3f86..0b832f210 100644 --- a/linux/drivers/media/video/v4l2-dev.c +++ b/linux/drivers/media/video/v4l2-dev.c @@ -30,6 +30,7 @@ #include <asm/system.h> #include <media/v4l2-common.h> +#include <media/v4l2-device.h> #include "compat.h" #define VIDEO_NUM_DEVICES 256 @@ -445,6 +446,8 @@ int video_register_device_index(struct video_device *vdev, int type, int nr, vdev->vfl_type = type; vdev->cdev = NULL; + if (vdev->v4l2_dev) + vdev->parent = vdev->v4l2_dev->dev; /* Part 2: find a free minor, kernel number and device index. */ #ifdef CONFIG_VIDEO_FIXED_MINOR_RANGES diff --git a/linux/include/media/v4l2-dev.h b/linux/include/media/v4l2-dev.h index 6d76f0bce..c6cf5b1b2 100644 --- a/linux/include/media/v4l2-dev.h +++ b/linux/include/media/v4l2-dev.h @@ -25,6 +25,7 @@ #define VFL_TYPE_MAX 4 struct v4l2_ioctl_callbacks; +struct v4l2_device; /* Flag to mark the video_device struct as unregistered. Drivers can set this flag if they want to block all future @@ -49,7 +50,10 @@ struct video_device struct class_device dev; #endif struct cdev *cdev; /* character device */ + + /* Set either parent or v4l2_dev if your driver uses v4l2_device */ struct device *parent; /* device parent */ + struct v4l2_device *v4l2_dev; /* v4l2_device parent */ /* device info */ char name[32]; |