linux-kernel - [PATCH v2 4/4] media: i2c: ov5640: Fallback to parallel mode

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Message-Id: <1596465107-14251-5-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Mon,  3 Aug 2020 15:31:47 +0100
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Jacopo Mondi <jacopo@...ndi.org>,
        Steve Longerbeam <slongerbeam@...il.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hugues Fruchet <hugues.fruchet@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-media@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Prabhakar <prabhakar.csengg@...il.com>,
        linux-renesas-soc@...r.kernel.org,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v2 4/4] media: i2c: ov5640: Fallback to parallel mode

Fallback to parallel mode if bus_type doesn't match the supported
interfaces by the driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 drivers/media/i2c/ov5640.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index 08c67250042f..4e88b0540740 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -3074,6 +3074,12 @@ static int ov5640_probe(struct i2c_client *client)
 		return ret;
 	}
 
+	/* fallback to parallel mode */
+	if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL &&
+	    sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY &&
+	    sensor->ep.bus_type != V4L2_MBUS_BT656)
+		sensor->ep.bus_type = V4L2_MBUS_PARALLEL;
+
 	/* get system clock (xclk) */
 	sensor->xclk = devm_clk_get(dev, "xclk");
 	if (IS_ERR(sensor->xclk)) {
-- 
2.17.1