Commit 2c586f18 authored by Steve Longerbeam's avatar Steve Longerbeam Committed by Mauro Carvalho Chehab
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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: default avatarSteve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 94b99296

drivers/staging/media/imx/imx-media-csi.c

+21 −0
Original line number Diff line number Diff line
@@ -120,6 +120,11 @@ static inline struct csi_priv *sd_to_dev(struct v4l2_subdev *sdev) 
	return container_of(sdev, struct csi_priv, sd);

}



static inline struct csi_priv *notifier_to_dev(struct v4l2_async_notifier *n)

{

	return container_of(n, struct csi_priv, notifier);

}



static inline bool is_parallel_bus(struct v4l2_fwnode_endpoint *ep)

{

	return ep->bus_type != V4L2_MBUS_CSI2_DPHY;
@@ -1894,6 +1899,20 @@ static const struct v4l2_subdev_internal_ops csi_internal_ops = { 
	.unregistered = csi_unregistered,

};



static int imx_csi_notify_bound(struct v4l2_async_notifier *notifier,

				struct v4l2_subdev *sd,

				struct v4l2_async_subdev *asd)

{

	struct csi_priv *priv = notifier_to_dev(notifier);

	struct media_pad *sink = &priv->sd.entity.pads[CSI_SINK_PAD];



	return v4l2_create_fwnode_links_to_pad(sd, sink);

}



static const struct v4l2_async_notifier_operations csi_notify_ops = {

	.bound = imx_csi_notify_bound,

};



static int imx_csi_async_register(struct csi_priv *priv)

{

	struct v4l2_async_subdev *asd = NULL;
@@ -1931,6 +1950,8 @@ static int imx_csi_async_register(struct csi_priv *priv) 
		}

	}



	priv->notifier.ops = &csi_notify_ops;



	ret = v4l2_async_subdev_notifier_register(&priv->sd,

						  &priv->notifier);

	if (ret)