diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index f76eab4..f352763 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -3,6 +3,18 @@
     // for the documentation about the tasks.json format
     "version": "2.0.0",
     "tasks": [
+        {
+            "label": "rust: cargo build",
+            "type": "shell",
+            "command": "~/.cargo/bin/cargo", // note: full path to the cargo
+            "args": [
+                "build"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
         {
             "label": "rust: cargo build minimal blinky",
             "type": "shell",
diff --git a/va108xx-hal-rs b/va108xx-hal-rs
index 4be6716..b2d9cbe 160000
--- a/va108xx-hal-rs
+++ b/va108xx-hal-rs
@@ -1 +1 @@
-Subproject commit 4be67161eab3e845dc7cb117fe039c3ba2964786
+Subproject commit b2d9cbe4237353e2de7c86cef2b8e5c6eeb3ebb5