Initialize the CSI-2 subdevice with the V4L2_SUBDEV_FL_STREAMS flag
and initialize a simple routing table by implementing the .init_state()
operation.
Signed-off-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>
---
drivers/media/i2c/adv748x/adv748x-csi2.c | 28 ++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
index 60bf1dc0f58b..d929db7e8ef2 100644
--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
@@ -59,7 +59,30 @@ static int adv748x_csi2_register_link(struct adv748x_csi2 *tx,
/* -----------------------------------------------------------------------------
* v4l2_subdev_internal_ops
- *
+ */
+
+static int adv748x_csi2_init_state(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state)
+{
+ struct v4l2_subdev_route routes[] = {
+ {
+ .sink_pad = ADV748X_CSI2_SINK,
+ .sink_stream = 0,
+ .source_pad = ADV748X_CSI2_SOURCE,
+ .source_stream = 0,
+ .flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE,
+ },
+ };
+
+ struct v4l2_subdev_krouting routing = {
+ .num_routes = ARRAY_SIZE(routes),
+ .routes = routes,
+ };
+
+ return v4l2_subdev_set_routing(sd, state, &routing);
+}
+
+/*
* We use the internal registered operation to be able to ensure that our
* incremental subdevices (not connected in the forward path) can be registered
* against the resulting video path and media device.
@@ -109,6 +132,7 @@ static int adv748x_csi2_registered(struct v4l2_subdev *sd)
}
static const struct v4l2_subdev_internal_ops adv748x_csi2_internal_ops = {
+ .init_state = adv748x_csi2_init_state,
.registered = adv748x_csi2_registered,
};
@@ -245,7 +269,7 @@ int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx)
return 0;
adv748x_subdev_init(&tx->sd, state, &adv748x_csi2_ops,
- MEDIA_ENT_F_VID_IF_BRIDGE, 0,
+ MEDIA_ENT_F_VID_IF_BRIDGE, V4L2_SUBDEV_FL_STREAMS,
is_txa(tx) ? "txa" : "txb");
/* Register internal ops for incremental subdev registration */
--
2.44.0
