media: cadence: csi2rx: Populate subdev devnode

The devnode can be used by media-ctl and other userspace tools to
perform configurations on the subdev. Without it, media-ctl returns
ENOENT when setting format on the sensor subdev.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Tested-by: Julien Massot <julien.massot@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c
index 812f31dfaab146b32d836123ed3272cca3a00c4b..d0c2a5b3d0d57eba30f6f618a8c2f5f5e642f0a7 100644 (file)
--- a/drivers/media/platform/cadence/cdns-csi2rx.c
+++ b/drivers/media/platform/cadence/cdns-csi2rx.c
@@ -668,6 +668,7 @@ static int csi2rx_probe(struct platform_device *pdev)
        csi2rx->pads[CSI2RX_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
        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;
 
        ret = media_entity_pads_init(&csi2rx->subdev.entity, CSI2RX_PAD_MAX,
                                     csi2rx->pads);