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 16f830b..8d0254d 100644 (file)
--- 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)) {