diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 782261ce0098..03d87aac4626 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -1147,7 +1147,7 @@ static int rk_tsadcv1_get_trim_code(struct platform_device *pdev,
 	int trim_code;
 
 	base_code = trim_base * table->kNum / 1000 + table->bNum;
-	trim_code = code - base_code - 10;
+	trim_code = code - base_code;
 
 	return trim_code;
 }