[PATCH v5 09/14] media: cadence: csi2rx: Add link validation
From: Pratyush Yadav <hidden>
Date: 2021-12-23 19:17:09
Also in:
linux-media, lkml
Subsystem:
cadence mipi-csi2 bridges, media input infrastructure (v4l/dvb), the rest · Maintainers:
Maxime Ripard, Mauro Carvalho Chehab, Linus Torvalds
Add media link validation to make sure incorrectly configured pipelines are caught. Since there is no support for transcoding, rely on the default link validation function to make sure formats across source and sink pads are the same. Signed-off-by: Pratyush Yadav <redacted> --- Changes in v5: - New in v5. 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 53659776a906..119c7540c75a 100644
--- a/drivers/media/platform/cadence/cdns-csi2rx.c
+++ b/drivers/media/platform/cadence/cdns-csi2rx.c@@ -492,6 +492,10 @@ static const struct v4l2_subdev_ops csi2rx_subdev_ops = { .pad = &csi2rx_pad_ops, }; +static 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_subdev *asd)
@@ -691,6 +695,7 @@ 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);
--
2.33.1.835.ge9e5ba39a7