diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/v4l2-subdev.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 643cdcd69ac6..cf8cbbf3b772 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -1532,6 +1532,42 @@ struct v4l2_rect * v4l2_subdev_state_get_stream_compose(struct v4l2_subdev_state *state, unsigned int pad, u32 stream); +/** + * v4l2_subdev_routing_find_opposite_end() - Find the opposite stream + * @routing: routing used to find the opposite side + * @pad: pad id + * @stream: stream id + * @other_pad: pointer used to return the opposite pad + * @other_stream: pointer used to return the opposite stream + * + * This function uses the routing table to find the pad + stream which is + * opposite the given pad + stream. + * + * @other_pad and/or @other_stream can be NULL if the caller does not need the + * value. + * + * Returns 0 on success, or -EINVAL if no matching route is found. + */ +int v4l2_subdev_routing_find_opposite_end(const struct v4l2_subdev_krouting *routing, + u32 pad, u32 stream, u32 *other_pad, + u32 *other_stream); + +/** + * v4l2_subdev_state_get_opposite_stream_format() - Get pointer to opposite + * stream format + * @state: subdevice state + * @pad: pad id + * @stream: stream id + * + * This returns a pointer to &struct v4l2_mbus_framefmt for the pad + stream + * that is opposite the given pad + stream in the subdev state. + * + * If the state does not contain the given pad + stream, NULL is returned. + */ +struct v4l2_mbus_framefmt * +v4l2_subdev_state_get_opposite_stream_format(struct v4l2_subdev_state *state, + u32 pad, u32 stream); + #endif /* CONFIG_VIDEO_V4L2_SUBDEV_API */ #endif /* CONFIG_MEDIA_CONTROLLER */ |