diff --git a/power/aidl/default/Power.cpp b/power/aidl/default/Power.cpp
index 8610de3..7f08f44 100644
--- a/power/aidl/default/Power.cpp
+++ b/power/aidl/default/Power.cpp
@@ -25,6 +25,10 @@
 namespace impl {
 namespace example {
 
+const std::vector<Boost> BOOST_RANGE{ndk::enum_range<Boost>().begin(),
+                                     ndk::enum_range<Boost>().end()};
+const std::vector<Mode> MODE_RANGE{ndk::enum_range<Mode>().begin(), ndk::enum_range<Mode>().end()};
+
 ndk::ScopedAStatus Power::setMode(Mode type, bool enabled) {
     LOG(VERBOSE) << "Power setMode: " << static_cast<int32_t>(type) << " to: " << enabled;
     return ndk::ScopedAStatus::ok();
@@ -32,7 +36,7 @@
 
 ndk::ScopedAStatus Power::isModeSupported(Mode type, bool* _aidl_return) {
     LOG(INFO) << "Power isModeSupported: " << static_cast<int32_t>(type);
-    *_aidl_return = false;
+    *_aidl_return = type >= MODE_RANGE.front() && type <= MODE_RANGE.back();
     return ndk::ScopedAStatus::ok();
 }
 
@@ -44,10 +48,21 @@
 
 ndk::ScopedAStatus Power::isBoostSupported(Boost type, bool* _aidl_return) {
     LOG(INFO) << "Power isBoostSupported: " << static_cast<int32_t>(type);
-    *_aidl_return = false;
+    *_aidl_return = type >= BOOST_RANGE.front() && type <= BOOST_RANGE.back();
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus Power::createHintSession(int32_t, int32_t, const std::vector<int32_t>&, int64_t,
+                                            std::shared_ptr<IPowerHintSession>* _aidl_return) {
+    *_aidl_return = nullptr;
+    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+}
+
+ndk::ScopedAStatus Power::getHintSessionPreferredRate(int64_t* outNanoseconds) {
+    *outNanoseconds = -1;
+    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+}
+
 }  // namespace example
 }  // namespace impl
 }  // namespace power