diff options
Diffstat (limited to 'include/media/v4l2-dev.h')
| -rw-r--r-- | include/media/v4l2-dev.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 15802a067a12..4fe6831b1851 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -21,7 +21,8 @@ #define VFL_TYPE_GRABBER 0 #define VFL_TYPE_VBI 1 #define VFL_TYPE_RADIO 2 -#define VFL_TYPE_MAX 3 +#define VFL_TYPE_SUBDEV 3 +#define VFL_TYPE_MAX 4 struct v4l2_ioctl_callbacks; struct video_device; @@ -102,15 +103,26 @@ struct video_device /* dev to video-device */ #define to_video_device(cd) container_of(cd, struct video_device, dev) +int __must_check __video_register_device(struct video_device *vdev, int type, + int nr, int warn_if_nr_in_use, struct module *owner); + /* Register video devices. Note that if video_register_device fails, the release() callback of the video_device structure is *not* called, so the caller is responsible for freeing any data. Usually that means that you call video_device_release() on failure. */ -int __must_check video_register_device(struct video_device *vdev, int type, int nr); +static inline int __must_check video_register_device(struct video_device *vdev, + int type, int nr) +{ + return __video_register_device(vdev, type, nr, 1, vdev->fops->owner); +} /* Same as video_register_device, but no warning is issued if the desired device node number was already in use. */ -int __must_check video_register_device_no_warn(struct video_device *vdev, int type, int nr); +static inline int __must_check video_register_device_no_warn( + struct video_device *vdev, int type, int nr) +{ + return __video_register_device(vdev, type, nr, 0, vdev->fops->owner); +} /* Unregister video devices. Will do nothing if vdev == NULL or video_is_registered() returns false. */ |