From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Fri, 4 Sep 2020 20:18:35 +0000 (+0200)
Subject: media: i2c: ov5640: Fail probe on unsupported bus_type
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~1054^2~252
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=2c61e48d0a19eff9c404e1911ec6c63c555eb0c4;p=linux.git

media: i2c: ov5640: Fail probe on unsupported bus_type

Fail probe if unsupported bus_type is detected.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index 16f830bdf715..8d0254d0e5ea 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -3072,6 +3072,13 @@ static int ov5640_probe(struct i2c_client *client)
 		return ret;
 	}
 
+	if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL &&
+	    sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY &&
+	    sensor->ep.bus_type != V4L2_MBUS_BT656) {
+		dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type);
+		return -EINVAL;
+	}
+
 	/* get system clock (xclk) */
 	sensor->xclk = devm_clk_get(dev, "xclk");
 	if (IS_ERR(sensor->xclk)) {