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media: imx: csi: Create media links in bound notifier
Implement a notifier bound op to register media links from the remote sub-device's source pad(s) to the CSI sink pad. Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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1 changed files with 21 additions and 0 deletions
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@ -120,6 +120,11 @@ static inline struct csi_priv *sd_to_dev(struct v4l2_subdev *sdev)
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return container_of(sdev, struct csi_priv, sd);
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}
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static inline struct csi_priv *notifier_to_dev(struct v4l2_async_notifier *n)
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{
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return container_of(n, struct csi_priv, notifier);
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}
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static inline bool is_parallel_bus(struct v4l2_fwnode_endpoint *ep)
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{
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return ep->bus_type != V4L2_MBUS_CSI2_DPHY;
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@ -1894,6 +1899,20 @@ static const struct v4l2_subdev_internal_ops csi_internal_ops = {
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.unregistered = csi_unregistered,
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};
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static int imx_csi_notify_bound(struct v4l2_async_notifier *notifier,
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struct v4l2_subdev *sd,
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struct v4l2_async_subdev *asd)
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{
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struct csi_priv *priv = notifier_to_dev(notifier);
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struct media_pad *sink = &priv->sd.entity.pads[CSI_SINK_PAD];
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return v4l2_create_fwnode_links_to_pad(sd, sink);
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}
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static const struct v4l2_async_notifier_operations csi_notify_ops = {
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.bound = imx_csi_notify_bound,
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};
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static int imx_csi_async_register(struct csi_priv *priv)
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{
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struct v4l2_async_subdev *asd = NULL;
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@ -1931,6 +1950,8 @@ static int imx_csi_async_register(struct csi_priv *priv)
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}
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}
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priv->notifier.ops = &csi_notify_ops;
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ret = v4l2_async_subdev_notifier_register(&priv->sd,
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&priv->notifier);
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if (ret)
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