From 837f92f070f6b7e877143eb168025995688b9756 Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Sun, 17 Oct 2021 20:24:42 +0200 Subject: 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 Signed-off-by: Tomi Valkeinen Signed-off-by: Mauro Carvalho Chehab --- drivers/media/v4l2-core/v4l2-subdev.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/media/v4l2-core') 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 */ -- cgit v1.2.3