diff options
| author | Jacopo Mondi <jacopo+renesas@jmondi.org> | 2021-10-17 20:24:42 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-01-22 09:35:57 +0100 |
| commit | 837f92f070f6b7e877143eb168025995688b9756 (patch) | |
| tree | fe556b5e971dfa1d6d654f9f1f6e6162a3cac474 /drivers/media/v4l2-core/v4l2-subdev.c | |
| parent | 17bb9bf819c542b41d7dbddd9fe1ec82ac509604 (diff) | |
media: subdev: Add for_each_active_route() macro
Add a for_each_active_route() macro to replace the repeated pattern
of iterating on the active routes of a routing table.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index d95cbea1a728..730c31eaa35e 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -1239,6 +1239,26 @@ int v4l2_subdev_set_routing(struct v4l2_subdev *sd, } EXPORT_SYMBOL_GPL(v4l2_subdev_set_routing); +struct v4l2_subdev_route * +__v4l2_subdev_next_active_route(const struct v4l2_subdev_krouting *routing, + struct v4l2_subdev_route *route) +{ + if (route) + ++route; + else + route = &routing->routes[0]; + + for (; route < routing->routes + routing->num_routes; ++route) { + if (!(route->flags & V4L2_SUBDEV_ROUTE_FL_ACTIVE)) + continue; + + return route; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(__v4l2_subdev_next_active_route); + #endif /* CONFIG_VIDEO_V4L2_SUBDEV_API */ #endif /* CONFIG_MEDIA_CONTROLLER */ |