diff --git a/tv/tuner/1.1/default/Frontend.cpp b/tv/tuner/1.1/default/Frontend.cpp
index 971e335..7c6f8c6 100644
--- a/tv/tuner/1.1/default/Frontend.cpp
+++ b/tv/tuner/1.1/default/Frontend.cpp
@@ -122,9 +122,12 @@
             V1_1::IFrontendCallback::castFrom(mCallback);
     if (frontendCallback_v1_1 != NULL) {
         V1_1::FrontendScanMessageExt1_1 msg;
-        msg.dvbc(FrontendDvbcModulation::MOD_16QAM);
+        msg.modulation().dvbc(FrontendDvbcModulation::MOD_16QAM);
         frontendCallback_v1_1->onScanMessageExt1_1(V1_1::FrontendScanMessageTypeExt1_1::MODULATION,
                                                    msg);
+        msg.isHighPriority(true);
+        frontendCallback_v1_1->onScanMessageExt1_1(
+                V1_1::FrontendScanMessageTypeExt1_1::HIGH_PRIORITY, msg);
     } else {
         ALOGD("[Filter] Couldn't cast to V1_1 IFrontendCallback");
     }
diff --git a/tv/tuner/1.1/types.hal b/tv/tuner/1.1/types.hal
index b20e625..f8fe2aa 100644
--- a/tv/tuner/1.1/types.hal
+++ b/tv/tuner/1.1/types.hal
@@ -555,6 +555,11 @@
 
 enum FrontendScanMessageTypeExt1_1 : uint32_t {
     MODULATION = @1.0::FrontendScanMessageType:ATSC3_PLP_INFO + 1,
+    HIGH_PRIORITY,
 };
 
-typedef FrontendModulation FrontendScanMessageExt1_1;
+safe_union FrontendScanMessageExt1_1 {
+    FrontendModulation modulation;
+
+    bool isHighPriority;
+};
diff --git a/tv/tuner/1.1/vts/functional/FrontendTests.cpp b/tv/tuner/1.1/vts/functional/FrontendTests.cpp
index 3bc7114..e5793c1 100644
--- a/tv/tuner/1.1/vts/functional/FrontendTests.cpp
+++ b/tv/tuner/1.1/vts/functional/FrontendTests.cpp
@@ -51,9 +51,12 @@
                                                    const FrontendScanMessageExt1_1& message) {
     android::Mutex::Autolock autoLock(mMsgLock);
     ALOGD("[vts] frontend ext1_1 scan message. Type: %d", type);
-    switch (type) {
-        case FrontendScanMessageTypeExt1_1::MODULATION:
-            readFrontendScanMessageExt1_1Modulation(message);
+    switch (message.getDiscriminator()) {
+        case FrontendScanMessageExt1_1::hidl_discriminator::modulation:
+            readFrontendScanMessageExt1_1Modulation(message.modulation());
+            break;
+        case FrontendScanMessageExt1_1::hidl_discriminator::isHighPriority:
+            ALOGD("[vts] frontend ext1_1 scan message high priority: %d", message.isHighPriority());
             break;
         default:
             break;