static int rvin_digital_notify_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
int ret;
v4l2_set_subdev_hostdata(subdev, vin);
/* Find source and sink pad of remote subdevice */
ret = rvin_find_pad(subdev, MEDIA_PAD_FL_SOURCE);
if (ret < 0)
return ret;
vin->digital.source_pad = ret;
ret = rvin_find_pad(subdev, MEDIA_PAD_FL_SINK);
vin->digital.sink_pad = ret < 0 ? 0 : ret;
vin->digital.subdev = subdev;
vin_dbg(vin, "bound subdev %s source pad: %u sink pad: %u\n",
subdev->name, vin->digital.source_pad,
vin->digital.sink_pad);
return 0;
}
static void rvin_graph_notify_unbind(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *sd,
struct v4l2_async_subdev *asd)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
rvin_v4l2_remove(vin);
}
static void rvin_digital_notify_unbind(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
vin_dbg(vin, "unbind digital subdev %s\n", subdev->name);
rvin_v4l2_remove(vin);
vin->digital.subdev = NULL;
}
static int rvin_graph_notify_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
vin_dbg(vin, "subdev %s bound\n", subdev->name);
vin->entity.entity = &subdev->entity;
vin->entity.subdev = subdev;
return 0;
}
static int rvin_graph_notify_complete(struct v4l2_async_notifier *notifier)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
int ret;
ret = v4l2_device_register_subdev_nodes(&vin->v4l2_dev);
if (ret < 0) {
vin_err(vin, "Failed to register subdev nodes\n");
return ret;
}
if (!rvin_mbus_supported(vin)) {
vin_err(vin, "No supported mediabus format found\n");
return -EINVAL;
}
return rvin_v4l2_probe(vin);
}
static int rvin_digital_notify_complete(struct v4l2_async_notifier *notifier)
{
struct rvin_dev *vin = notifier_to_vin(notifier);
int ret;
/* Verify subdevices mbus format */
if (!rvin_mbus_supported(&vin->digital)) {
vin_err(vin, "Unsupported media bus format for %s\n",
vin->digital.subdev->name);
return -EINVAL;
}
vin_dbg(vin, "Found media bus format for %s: %d\n",
vin->digital.subdev->name, vin->digital.code);
ret = v4l2_device_register_subdev_nodes(&vin->v4l2_dev);
if (ret < 0) {
vin_err(vin, "Failed to register subdev nodes\n");
return ret;
}
return rvin_v4l2_probe(vin);
}
