diff --git a/source/drivers/li-mt9m021 b/source/drivers/li-mt9m021
index a606c4e..c40b91d 160000
--- a/source/drivers/li-mt9m021
+++ b/source/drivers/li-mt9m021
@@ -1 +1 @@
-Subproject commit a606c4ece1c00195ea7fcaaf9ced561fb9bf992f
+Subproject commit c40b91da658fef9c14d85d258b66ff7c566d7dd8