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From:   Jai Luthra <j-luthra@ti.com>
To:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
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        Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
CC:     <linux-media@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <devicetree@vger.kernel.org>,
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        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
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        Vaishnav Achath <vaishnav.a@ti.com>,
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Subject: [PATCH v10 10/13] media: cadence: csi2rx: Populate subdev devnode
Date:   Mon, 9 Oct 2023 18:39:36 +0530
Message-ID: <20231009-upstream_csi-v10-10-330aaed24c5d@ti.com>
In-Reply-To: <20231009-upstream_csi-v10-0-330aaed24c5d@ti.com>
References: <20231009-upstream_csi-v10-0-330aaed24c5d@ti.com>
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From: Pratyush Yadav <p.yadav@ti.com>

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>
---
 drivers/media/platform/cadence/cdns-csi2rx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c
index 812f31dfaab1..d0c2a5b3d0d5 100644
--- 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);

-- 
2.42.0