To support multiplexed streams the internal routing between the
adv748x sink pad and its source pad needs to be described.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/media/i2c/adv748x/adv748x-csi2.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
index 291b35bef49d41fb..dbefb53f5b8c414d 100644
--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
@@ -262,10 +262,32 @@ static int adv748x_csi2_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
return 0;
}
+static int adv748x_csi2_get_routing(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_routing *routing)
+{
+ struct v4l2_subdev_route *r = routing->routes;
+
+ if (routing->num_routes < 1) {
+ routing->num_routes = 1;
+ return -ENOSPC;
+ }
+
+ routing->num_routes = 1;
+
+ r->sink_pad = ADV748X_CSI2_SINK;
+ r->sink_stream = 0;
+ r->source_pad = ADV748X_CSI2_SOURCE;
+ r->source_stream = 0;
+ r->flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE | V4L2_SUBDEV_ROUTE_FL_IMMUTABLE;
+
+ return 0;
+}
+
static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = {
.get_fmt = adv748x_csi2_get_format,
.set_fmt = adv748x_csi2_set_format,
.get_frame_desc = adv748x_csi2_get_frame_desc,
+ .get_routing = adv748x_csi2_get_routing,
.s_stream = adv748x_csi2_s_stream,
};
--
2.15.1
