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media: subdev: Use 'shall' instead of 'may' in route validation

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Route validation docs use the word 'may'. Change that to 'shall' for
emphasis.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Tomi Valkeinen 2023-03-02 10:57:46 +01:00 committed by Mauro Carvalho Chehab
parent c2402afcd3
commit a50ee4afc7
2 changed files with 4 additions and 4 deletions
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2
drivers/media/v4l2-core/v4l2-subdev.c
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@ -1738,7 +1738,7 @@ int v4l2_subdev_routing_validate(struct v4l2_subdev *sd,
/*
* V4L2_SUBDEV_ROUTING_NO_STREAM_MIX: Streams on the same pad
* may not be routed to streams on different pads.
* shall not be routed to streams on different pads.
*/
if (disallow & V4L2_SUBDEV_ROUTING_NO_STREAM_MIX) {
if (remote_pads[route->sink_pad] != U32_MAX &&

6
include/media/v4l2-subdev.h
View File

@ -1642,13 +1642,13 @@ u64 v4l2_subdev_state_xlate_streams(const struct v4l2_subdev_state *state,
* enum v4l2_subdev_routing_restriction - Subdevice internal routing restrictions
*
* @V4L2_SUBDEV_ROUTING_NO_1_TO_N:
* an input stream may not be routed to multiple output streams (stream
* an input stream shall not be routed to multiple output streams (stream
* duplication)
* @V4L2_SUBDEV_ROUTING_NO_N_TO_1:
* multiple input streams may not be routed to the same output stream
* multiple input streams shall not be routed to the same output stream
* (stream merging)
* @V4L2_SUBDEV_ROUTING_NO_STREAM_MIX:
* streams on the same pad may not be routed to streams on different pads
* streams on the same pad shall not be routed to streams on different pads
* @V4L2_SUBDEV_ROUTING_ONLY_1_TO_1:
* only non-overlapping 1-to-1 stream routing is allowed (a combination of
* @V4L2_SUBDEV_ROUTING_NO_1_TO_N and @V4L2_SUBDEV_ROUTING_NO_N_TO_1)