Commit b0f46ad6 authored by Pratyush Yadav's avatar Pratyush Yadav Committed by Hans Verkuil
Browse files

media: cadence: csi2rx: Add link validation 



Add media link validation to make sure incorrectly configured pipelines
are caught.

Signed-off-by: default avatarPratyush Yadav <p.yadav@ti.com>
Tested-by: default avatarJulien Massot <julien.massot@collabora.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: default avatarMaxime Ripard <mripard@kernel.org>
Signed-off-by: default avatarJai Luthra <j-luthra@ti.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
parent c6ed7a39

drivers/media/platform/cadence/cdns-csi2rx.c

+5 −0
Original line number Diff line number Diff line
@@ -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);