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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2021-12-21 11:18:43 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-01-22 09:35:33 +0100 |
| commit | 17bb9bf819c542b41d7dbddd9fe1ec82ac509604 (patch) | |
| tree | 7fe9701c1342d8b3951ad0d2f843b1fbf1d99ca5 /include/media | |
| parent | 33c0ddbe56905c98b43d7141f2fe67ae69afba3c (diff) | |
| download | lwn-17bb9bf819c542b41d7dbddd9fe1ec82ac509604.tar.gz lwn-17bb9bf819c542b41d7dbddd9fe1ec82ac509604.zip | |
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 <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 16 |
1 files changed, 16 insertions, 0 deletions
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 */ |