Parse neighbor remote devices on the CSI port, add them to a subdev
notifier, and register the subdev notifier for the CSI, by calling
v4l2_async_register_fwnode_subdev().
Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
---
drivers/staging/media/imx/imx-media-csi.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index eb7be50..f9232fc 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -1736,6 +1736,13 @@ static const struct v4l2_subdev_internal_ops csi_internal_ops = {
.unregistered = csi_unregistered,
};
+static int imx_csi_parse_endpoint(struct device *dev,
+ struct v4l2_fwnode_endpoint *vep,
+ struct v4l2_async_subdev *asd)
+{
+ return fwnode_device_is_available(asd->match.fwnode) ? 0 : -EINVAL;
+}
+
static int imx_csi_probe(struct platform_device *pdev)
{
struct ipu_client_platformdata *pdata;
@@ -1798,7 +1805,9 @@ static int imx_csi_probe(struct platform_device *pdev)
priv->dev->of_node = pdata->of_node;
pinctrl = devm_pinctrl_get_select_default(priv->dev);
- ret = v4l2_async_register_subdev(&priv->sd);
+ ret = v4l2_async_register_fwnode_subdev(
+ &priv->sd, sizeof(struct v4l2_async_subdev),
+ NULL, 0, imx_csi_parse_endpoint);
if (ret)
goto free;
--
2.7.4
