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Subject: media: cadence: csi2rx: Add link validation
Author: Pratyush Yadav <p.ya...@ti.com>
Date: Mon Oct 9 18:39:37 2023 +0530
Add media link validation to make sure incorrectly configured pipelines
are caught.
Signed-off-by: Pratyush Yadav <p.ya...@ti.com>
Tested-by: Julien Massot <julien.mas...@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkei...@ideasonboard.com>
Reviewed-by: Maxime Ripard <mrip...@kernel.org>
Signed-off-by: Jai Luthra <j-lut...@ti.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/platform/cadence/cdns-csi2rx.c | 5 +++++
1 file changed, 5 insertions(+)
---
diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c
b/drivers/media/platform/cadence/cdns-csi2rx.c
index d0c2a5b3d0d5..889f4fbbafb3 100644
--- a/drivers/media/platform/cadence/cdns-csi2rx.c
+++ b/drivers/media/platform/cadence/cdns-csi2rx.c
@@ -453,6 +453,10 @@ static const struct v4l2_subdev_ops csi2rx_subdev_ops = {
.pad = &csi2rx_pad_ops,
};
+static const struct media_entity_operations csi2rx_media_ops = {
+ .link_validate = v4l2_subdev_link_validate,
+};
+
static int csi2rx_async_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *s_subdev,
struct v4l2_async_connection *asd)
@@ -669,6 +673,7 @@ static int csi2rx_probe(struct platform_device *pdev)
for (i = CSI2RX_PAD_SOURCE_STREAM0; i < CSI2RX_PAD_MAX; i++)
csi2rx->pads[i].flags = MEDIA_PAD_FL_SOURCE;
csi2rx->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ csi2rx->subdev.entity.ops = &csi2rx_media_ops;
ret = media_entity_pads_init(&csi2rx->subdev.entity, CSI2RX_PAD_MAX,
csi2rx->pads);
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