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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2024-04-16 22:32:50 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-04-23 16:05:04 +0300 |
| commit | 97e2316ce615b4a3e39fd16bce2e4111332c2e9a (patch) | |
| tree | 067d4adc1bb74b996a568d7eb1103176b83efe9f | |
| parent | 864419790004e92312df7c86dc5e27e2a418a88d (diff) | |
| download | linux-rpi/v6.9/metadata/v9/base.tar.gz | |
media: v4l: subdev: Add trivial set_routing supportrpi/v6.9/metadata/v9/base
Add trivial S_ROUTING IOCTL support for drivers where routing is static.
Essentially this means returning the same information G_ROUTING call would
have done.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Co-developed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Julien Massot <julien.massot@collabora.com>
Link: https://lore.kernel.org/r/20240416193319.778192-18-sakari.ailus@linux.intel.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 36b2f78cd5511..e68f16a7c0418 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -955,6 +955,20 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, return -EINVAL; } + /* + * If the driver doesn't support setting routing, just return + * the routing table. + */ + if (!v4l2_subdev_has_op(sd, pad, set_routing)) { + memcpy((struct v4l2_subdev_route *)(uintptr_t)routing->routes, + state->routing.routes, + min(state->routing.num_routes, routing->len_routes) * + sizeof(*state->routing.routes)); + routing->num_routes = state->routing.num_routes; + + return 0; + } + krouting.num_routes = routing->num_routes; krouting.len_routes = routing->len_routes; krouting.routes = routes; |