diff --git a/c2.mk b/c2.mk
index 4bcceac..ab0fad5 100644
--- a/c2.mk
+++ b/c2.mk
@@ -1,3 +1,4 @@
 PRODUCT_COPY_FILES += \
     hardware/redroid/c2/redroid.c2.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/redroid.c2.rc \
+    hardware/redroid/c2/redroid.c2.sh:$(TARGET_COPY_OUT_VENDOR)/bin/redroid.c2.sh \
     hardware/redroid/c2/mediaswcodec.policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/mediaswcodec.policy \
diff --git a/redroid.c2.rc b/redroid.c2.rc
index e5a52c4..b69d843 100644
--- a/redroid.c2.rc
+++ b/redroid.c2.rc
@@ -1,6 +1,5 @@
 on init
-    setprop debug.stagefright.c2inputsurface -1
-    setprop debug.stagefright.ccodec 4
+    exec -- /vendor/bin/redroid.c2.sh
 
 on init && property:ro.boot.use_dmabufheaps=*
     setprop debug.c2.use_dmabufheaps ${ro.boot.use_dmabufheaps}
diff --git a/redroid.c2.sh b/redroid.c2.sh
new file mode 100755
index 0000000..4678db6
--- /dev/null
+++ b/redroid.c2.sh
@@ -0,0 +1,7 @@
+#!/system/bin/sh
+
+# enable codec2 only when dmabuf_heap or ion available
+if [ -c /dev/dma_heap/system ] || [ -c /dev/ion ];then
+    setprop debug.stagefright.c2inputsurface -1
+    setprop debug.stagefright.ccodec 4
+fi