diff --git a/drivers/regulator/mt6315-regulator.c b/drivers/regulator/mt6315-regulator.c
index d49a1534d8e91c5b34ae93f639fb0257b10636a5..fc7654624dd687248c4651e0fdf3cfd5526a69cf 100644
--- a/drivers/regulator/mt6315-regulator.c
+++ b/drivers/regulator/mt6315-regulator.c
@@ -69,7 +69,7 @@ static unsigned int mt6315_map_mode(u32 mode)
 	case MT6315_BUCK_MODE_LP:
 		return REGULATOR_MODE_IDLE;
 	default:
-		return -EINVAL;
+		return REGULATOR_MODE_INVALID;
 	}
 }