From 8227c92b69688403dee2adf5f399a49539ae5049 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Mon, 10 Oct 2011 17:01:25 -0300 Subject: [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 Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-subdev.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/media') 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); -- cgit v1.2.1