[media] cx231xx: prints error code if can't switch TV mode

If something bad happens when switching between digital
and analog mode, prints an error and outputs the returned code.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c
index 97730cb2f591d06e555acf3be23f64efa780c579..59b72264a0bff2d21e6ff46b4f66d600df86e5b2 100644 (file)
--- a/drivers/media/usb/cx231xx/cx231xx-core.c
+++ b/drivers/media/usb/cx231xx/cx231xx-core.c
@@ -746,7 +746,14 @@ int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
                }
        }
 
-       return errCode ? -EINVAL : 0;
+       if (errCode < 0) {
+               dev_err(dev->dev, "Failed to set devmode to %s: error: %i",
+                       dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog",
+                       errCode);
+               return errCode;
+       }
+
+       return 0;
 }
 EXPORT_SYMBOL_GPL(cx231xx_set_mode);