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| author | Sakari Ailus <sakari.ailus@iki.fi> | 2011-10-10 22:01:25 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-05-14 13:45:31 +0200 |
| commit | 8227c92b69688403dee2adf5f399a49539ae5049 (patch) | |
| tree | b9f4775e4f9ed99c41aca6cf6334aaef6f861d69 /include/media/v4l2-subdev.h | |
| parent | [media] v4l: Improve sub-device documentation for pad ops (diff) | |
| download | linux-8227c92b69688403dee2adf5f399a49539ae5049.tar.xz linux-8227c92b69688403dee2adf5f399a49539ae5049.zip | |
[media] v4l: Implement v4l2_subdev_link_validate()
v4l2_subdev_link_validate() is the default op for validating a link. In V4L2
subdev context, it is used to call a pad op which performs the proper link
check without much extra work.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-subdev.h')
| -rw-r--r-- | include/media/v4l2-subdev.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 7e850355a6f0..1c2318b15bd2 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -470,6 +470,11 @@ struct v4l2_subdev_pad_ops { struct v4l2_subdev_selection *sel); int (*set_selection)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, struct v4l2_subdev_selection *sel); +#ifdef CONFIG_MEDIA_CONTROLLER + int (*link_validate)(struct v4l2_subdev *sd, struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt); +#endif /* CONFIG_MEDIA_CONTROLLER */ }; struct v4l2_subdev_ops { @@ -602,6 +607,13 @@ static inline void *v4l2_get_subdev_hostdata(const struct v4l2_subdev *sd) return sd->host_priv; } +#ifdef CONFIG_MEDIA_CONTROLLER +int v4l2_subdev_link_validate_default(struct v4l2_subdev *sd, + struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt); +int v4l2_subdev_link_validate(struct media_link *link); +#endif /* CONFIG_MEDIA_CONTROLLER */ void v4l2_subdev_init(struct v4l2_subdev *sd, const struct v4l2_subdev_ops *ops); |