From 17bb9bf819c542b41d7dbddd9fe1ec82ac509604 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Tue, 21 Dec 2021 11:18:43 +0100 Subject: media: subdev: add v4l2_subdev_set_routing helper() Add a helper function to set the subdev routing. The helper can be used from subdev driver's set_routing op to store the routing table. Signed-off-by: Tomi Valkeinen Reviewed-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-subdev.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/media') diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 0bd674a8f84d..1d2a1a77bdb2 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -1424,6 +1424,22 @@ v4l2_subdev_lock_and_get_active_state(struct v4l2_subdev *sd) int v4l2_subdev_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_format *format); +/** + * v4l2_subdev_set_routing() - Set given routing to subdev state + * @sd: The subdevice + * @state: The subdevice state + * @routing: Routing that will be copied to subdev state + * + * This will release old routing table (if any) from the state, allocate + * enough space for the given routing, and copy the routing. + * + * This can be used from the subdev driver's set_routing op, after validating + * the routing. + */ +int v4l2_subdev_set_routing(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + const struct v4l2_subdev_krouting *routing); + #endif /* CONFIG_VIDEO_V4L2_SUBDEV_API */ #endif /* CONFIG_MEDIA_CONTROLLER */ -- cgit v1.2.3