--- zzzz-none-000/linux-3.10.107/include/linux/hwmon-vid.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/hwmon-vid.h	2021-02-04 17:41:59.000000000 +0000
@@ -38,7 +38,7 @@
 		return ((val >= 1100) && (val <= 1850) ?
 			((18499 - val * 10) / 25 + 5) / 10 : -1);
 	default:
-		return -1;
+		return -EINVAL;
 	}
 }