diff --git a/cas/1.1/vts/functional/Android.bp b/cas/1.1/vts/functional/Android.bp
index de223c8..0647d12a 100644
--- a/cas/1.1/vts/functional/Android.bp
+++ b/cas/1.1/vts/functional/Android.bp
@@ -21,6 +21,7 @@
     static_libs: [
         "android.hardware.cas@1.0",
         "android.hardware.cas@1.1",
+        "android.hardware.cas@1.2",
         "android.hardware.cas.native@1.0",
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
diff --git a/cas/1.1/vts/functional/VtsHalCasV1_1TargetTest.cpp b/cas/1.1/vts/functional/VtsHalCasV1_1TargetTest.cpp
index 1b5797b..73998c0 100644
--- a/cas/1.1/vts/functional/VtsHalCasV1_1TargetTest.cpp
+++ b/cas/1.1/vts/functional/VtsHalCasV1_1TargetTest.cpp
@@ -22,6 +22,7 @@
 #include <android/hardware/cas/1.1/ICas.h>
 #include <android/hardware/cas/1.1/ICasListener.h>
 #include <android/hardware/cas/1.1/IMediaCasService.h>
+#include <android/hardware/cas/1.2/IMediaCasService.h>
 #include <android/hardware/cas/native/1.0/IDescrambler.h>
 #include <android/hardware/cas/native/1.0/types.h>
 #include <binder/MemoryDealer.h>
@@ -255,6 +256,10 @@
 class MediaCasHidlTest : public testing::TestWithParam<std::string> {
   public:
     virtual void SetUp() override {
+        if (android::hardware::cas::V1_2::IMediaCasService::getService(GetParam()) == nullptr) {
+            ALOGI("Descrambler is need to be tested before cas@1.2.");
+            mIsTestDescrambler = true;
+        }
         mService = IMediaCasService::getService(GetParam());
         ASSERT_NE(mService, nullptr);
     }
@@ -269,6 +274,7 @@
     sp<ICas> mMediaCas;
     sp<IDescramblerBase> mDescramblerBase;
     sp<MediaCasListener> mCasListener;
+    bool mIsTestDescrambler = false;
     typedef struct _OobInputTestParams {
         const SubSample* subSamples;
         uint32_t numSubSamples;
@@ -311,8 +317,15 @@
 
     auto descramblerStatus = mService->createDescrambler(caSystemId);
     if (!descramblerStatus.isOk()) {
-        return ::testing::AssertionFailure();
+        if (mIsTestDescrambler) {
+            return ::testing::AssertionFailure();
+        } else {
+            ALOGI("Skip Descrambler test since it's not required in cas@1.2.");
+            return ::testing::AssertionSuccess();
+        }
     }
+    mIsTestDescrambler = true;
+
     mDescramblerBase = descramblerStatus;
     return ::testing::AssertionResult(mDescramblerBase != nullptr);
 }
@@ -468,13 +481,15 @@
     EXPECT_TRUE(returnStatus.isOk());
     EXPECT_EQ(Status::OK, returnStatus);
 
-    returnStatus = mDescramblerBase->setMediaCasSession(sessionId);
-    EXPECT_TRUE(returnStatus.isOk());
-    EXPECT_EQ(Status::OK, returnStatus);
+    if (mIsTestDescrambler) {
+        returnStatus = mDescramblerBase->setMediaCasSession(sessionId);
+        EXPECT_TRUE(returnStatus.isOk());
+        EXPECT_EQ(Status::OK, returnStatus);
 
-    returnStatus = mDescramblerBase->setMediaCasSession(streamSessionId);
-    EXPECT_TRUE(returnStatus.isOk());
-    EXPECT_EQ(Status::OK, returnStatus);
+        returnStatus = mDescramblerBase->setMediaCasSession(streamSessionId);
+        EXPECT_TRUE(returnStatus.isOk());
+        EXPECT_EQ(Status::OK, returnStatus);
+    }
 
     hidl_vec<uint8_t> hidlNullPtr;
     hidlNullPtr.setToExternal(static_cast<uint8_t*>(nullptr), 0);
@@ -518,29 +533,31 @@
     EXPECT_TRUE(returnStatus.isOk());
     EXPECT_EQ(Status::OK, returnStatus);
 
-    EXPECT_FALSE(mDescramblerBase->requiresSecureDecoderComponent("video/avc"));
+    if (mIsTestDescrambler) {
+        EXPECT_FALSE(mDescramblerBase->requiresSecureDecoderComponent("video/avc"));
 
-    sp<IDescrambler> descrambler;
-    descrambler = IDescrambler::castFrom(mDescramblerBase);
-    ASSERT_NE(descrambler, nullptr);
+        sp<IDescrambler> descrambler;
+        descrambler = IDescrambler::castFrom(mDescramblerBase);
+        ASSERT_NE(descrambler, nullptr);
 
-    Status descrambleStatus = Status::OK;
-    sp<IMemory> dataMemory;
+        Status descrambleStatus = Status::OK;
+        sp<IMemory> dataMemory;
 
-    ASSERT_TRUE(descrambleTestInputBuffer(descrambler, &descrambleStatus, &dataMemory));
-    EXPECT_EQ(Status::OK, descrambleStatus);
+        ASSERT_TRUE(descrambleTestInputBuffer(descrambler, &descrambleStatus, &dataMemory));
+        EXPECT_EQ(Status::OK, descrambleStatus);
 
-    ASSERT_NE(nullptr, dataMemory.get());
-    uint8_t* opBuffer = static_cast<uint8_t*>(static_cast<void*>(dataMemory->unsecurePointer()));
+        ASSERT_NE(nullptr, dataMemory.get());
+        uint8_t* opBuffer = static_cast<uint8_t*>(static_cast<void*>(dataMemory->unsecurePointer()));
 
-    int compareResult =
-            memcmp(static_cast<const void*>(opBuffer),
-                   static_cast<const void*>(kOutRefBinaryBuffer), sizeof(kOutRefBinaryBuffer));
-    EXPECT_EQ(0, compareResult);
+        int compareResult =
+                memcmp(static_cast<const void*>(opBuffer),
+                       static_cast<const void*>(kOutRefBinaryBuffer), sizeof(kOutRefBinaryBuffer));
+        EXPECT_EQ(0, compareResult);
 
-    returnStatus = mDescramblerBase->release();
-    EXPECT_TRUE(returnStatus.isOk());
-    EXPECT_EQ(Status::OK, returnStatus);
+        returnStatus = mDescramblerBase->release();
+        EXPECT_TRUE(returnStatus.isOk());
+        EXPECT_EQ(Status::OK, returnStatus);
+    }
 
     returnStatus = mMediaCas->release();
     EXPECT_TRUE(returnStatus.isOk());