Support lazy tuner server

*) Refine code to not use global instance. It makes us easier to debug
reference count.
*) The service will only be started if the tuner feature is declard by
the vendor. So we don't need to check tuner feature and whether tuner
HAL is presented anymore.
*) The service will register its resources to TRM every time when it's
started. The TRM will update its resource mapping accordingly.
*) Use tuner.server.enable to change tuner server to be a normal service
if the HAL is not a lazy HAL.

Bug: 236002754
Test: atest android.media.tv.tuner.cts on both lazy and normal HALs
Change-Id: I564490fd46154bb0a8bcf6b77e2b2d9478471434
diff --git a/services/tuner/hidl/TunerHidlDemux.cpp b/services/tuner/hidl/TunerHidlDemux.cpp
index a8151d2..bbb7782 100644
--- a/services/tuner/hidl/TunerHidlDemux.cpp
+++ b/services/tuner/hidl/TunerHidlDemux.cpp
@@ -20,6 +20,7 @@
 
 #include "TunerHidlDvr.h"
 #include "TunerHidlFilter.h"
+#include "TunerHidlService.h"
 #include "TunerHidlTimeFilter.h"
 
 using ::aidl::android::hardware::tv::tuner::DemuxFilterSubType;
@@ -42,23 +43,20 @@
 namespace tv {
 namespace tuner {
 
-TunerHidlDemux::TunerHidlDemux(sp<IDemux> demux, int id) {
+TunerHidlDemux::TunerHidlDemux(const sp<IDemux> demux, const int id,
+                               const shared_ptr<TunerHidlService> tuner) {
     mDemux = demux;
     mDemuxId = id;
+    mTunerService = tuner;
 }
 
 TunerHidlDemux::~TunerHidlDemux() {
     mDemux = nullptr;
+    mTunerService = nullptr;
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::setFrontendDataSource(
         const shared_ptr<ITunerFrontend>& in_frontend) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     int frontendId;
     in_frontend->getFrontendId(&frontendId);
     HidlResult res = mDemux->setFrontendDataSource(frontendId);
@@ -69,12 +67,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::setFrontendDataSourceById(int frontendId) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlResult res = mDemux->setFrontendDataSource(frontendId);
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -86,12 +78,6 @@
                                                 int32_t in_bufferSize,
                                                 const shared_ptr<ITunerFilterCallback>& in_cb,
                                                 shared_ptr<ITunerFilter>* _aidl_return) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlDemuxFilterMainType mainType = static_cast<HidlDemuxFilterMainType>(in_type.mainType);
     HidlDemuxFilterType filterType{
             .mainType = mainType,
@@ -132,17 +118,12 @@
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(status));
     }
 
-    *_aidl_return = ::ndk::SharedRefBase::make<TunerHidlFilter>(filterSp, filterCb, in_type);
+    *_aidl_return =
+            ::ndk::SharedRefBase::make<TunerHidlFilter>(filterSp, filterCb, in_type, mTunerService);
     return ::ndk::ScopedAStatus::ok();
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::openTimeFilter(shared_ptr<ITunerTimeFilter>* _aidl_return) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlResult status;
     sp<HidlITimeFilter> filterSp;
     mDemux->openTimeFilter([&](HidlResult r, const sp<HidlITimeFilter>& filter) {
@@ -159,12 +140,6 @@
 
 ::ndk::ScopedAStatus TunerHidlDemux::getAvSyncHwId(const shared_ptr<ITunerFilter>& tunerFilter,
                                                    int32_t* _aidl_return) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     uint32_t avSyncHwId;
     HidlResult res;
     sp<HidlIFilter> halFilter = static_cast<TunerHidlFilter*>(tunerFilter.get())->getHalFilter();
@@ -181,12 +156,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::getAvSyncTime(int32_t avSyncHwId, int64_t* _aidl_return) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     uint64_t time;
     HidlResult res;
     mDemux->getAvSyncTime(static_cast<uint32_t>(avSyncHwId), [&](HidlResult r, uint64_t ts) {
@@ -204,12 +173,6 @@
 ::ndk::ScopedAStatus TunerHidlDemux::openDvr(DvrType in_dvbType, int32_t in_bufferSize,
                                              const shared_ptr<ITunerDvrCallback>& in_cb,
                                              shared_ptr<ITunerDvr>* _aidl_return) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlResult res;
     sp<HidlIDvrCallback> callback = new TunerHidlDvr::DvrCallback(in_cb);
     sp<HidlIDvr> hidlDvr;
@@ -228,12 +191,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::connectCiCam(int32_t ciCamId) {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlResult res = mDemux->connectCiCam(static_cast<uint32_t>(ciCamId));
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -242,12 +199,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::disconnectCiCam() {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlResult res = mDemux->disconnectCiCam();
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -256,15 +207,7 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDemux::close() {
-    if (mDemux == nullptr) {
-        ALOGE("IDemux is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(HidlResult::UNAVAILABLE));
-    }
-
     HidlResult res = mDemux->close();
-    mDemux = nullptr;
-
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
     }
diff --git a/services/tuner/hidl/TunerHidlDemux.h b/services/tuner/hidl/TunerHidlDemux.h
index d535da6..94a715e 100644
--- a/services/tuner/hidl/TunerHidlDemux.h
+++ b/services/tuner/hidl/TunerHidlDemux.h
@@ -37,9 +37,12 @@
 namespace tv {
 namespace tuner {
 
+class TunerHidlService;
+
 class TunerHidlDemux : public BnTunerDemux {
 public:
-    TunerHidlDemux(sp<HidlIDemux> demux, int demuxId);
+    TunerHidlDemux(const sp<HidlIDemux> demux, const int demuxId,
+                   const shared_ptr<TunerHidlService> tuner);
     virtual ~TunerHidlDemux();
 
     ::ndk::ScopedAStatus setFrontendDataSource(
@@ -64,6 +67,7 @@
 private:
     sp<HidlIDemux> mDemux;
     int mDemuxId;
+    shared_ptr<TunerHidlService> mTunerService;
 };
 
 }  // namespace tuner
diff --git a/services/tuner/hidl/TunerHidlDescrambler.cpp b/services/tuner/hidl/TunerHidlDescrambler.cpp
index dd8cd9c..51b7ede 100644
--- a/services/tuner/hidl/TunerHidlDescrambler.cpp
+++ b/services/tuner/hidl/TunerHidlDescrambler.cpp
@@ -45,12 +45,6 @@
 
 ::ndk::ScopedAStatus TunerHidlDescrambler::setDemuxSource(
         const shared_ptr<ITunerDemux>& in_tunerDemux) {
-    if (mDescrambler == nullptr) {
-        ALOGE("IDescrambler is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDescrambler->setDemuxSource(
             static_cast<TunerHidlDemux*>(in_tunerDemux.get())->getId());
     if (res != HidlResult::SUCCESS) {
@@ -60,12 +54,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDescrambler::setKeyToken(const vector<uint8_t>& in_keyToken) {
-    if (mDescrambler == nullptr) {
-        ALOGE("IDescrambler is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDescrambler->setKeyToken(in_keyToken);
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -75,12 +63,6 @@
 
 ::ndk::ScopedAStatus TunerHidlDescrambler::addPid(
         const DemuxPid& in_pid, const shared_ptr<ITunerFilter>& in_optionalSourceFilter) {
-    if (mDescrambler == nullptr) {
-        ALOGE("IDescrambler is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     sp<HidlIFilter> halFilter =
             (in_optionalSourceFilter == nullptr)
                     ? nullptr
@@ -94,12 +76,6 @@
 
 ::ndk::ScopedAStatus TunerHidlDescrambler::removePid(
         const DemuxPid& in_pid, const shared_ptr<ITunerFilter>& in_optionalSourceFilter) {
-    if (mDescrambler == nullptr) {
-        ALOGE("IDescrambler is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     sp<HidlIFilter> halFilter =
             (in_optionalSourceFilter == nullptr)
                     ? nullptr
@@ -112,15 +88,7 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDescrambler::close() {
-    if (mDescrambler == nullptr) {
-        ALOGE("IDescrambler is not initialized.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDescrambler->close();
-    mDescrambler = nullptr;
-
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
     }
diff --git a/services/tuner/hidl/TunerHidlDvr.cpp b/services/tuner/hidl/TunerHidlDvr.cpp
index 1a619d5..50d92de 100644
--- a/services/tuner/hidl/TunerHidlDvr.cpp
+++ b/services/tuner/hidl/TunerHidlDvr.cpp
@@ -54,12 +54,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::getQueueDesc(AidlMQDesc* _aidl_return) {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     MQDesc dvrMQDesc;
     HidlResult res;
     mDvr->getQueueDesc([&](HidlResult r, const MQDesc& desc) {
@@ -77,12 +71,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::configure(const DvrSettings& in_settings) {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDvr->configure(getHidlDvrSettings(in_settings));
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -91,12 +79,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::attachFilter(const shared_ptr<ITunerFilter>& in_filter) {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (in_filter == nullptr) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::INVALID_ARGUMENT));
@@ -116,12 +98,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::detachFilter(const shared_ptr<ITunerFilter>& in_filter) {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (in_filter == nullptr) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::INVALID_ARGUMENT));
@@ -141,12 +117,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::start() {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDvr->start();
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -155,12 +125,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::stop() {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDvr->stop();
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -169,12 +133,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::flush() {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDvr->flush();
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
@@ -183,15 +141,7 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlDvr::close() {
-    if (mDvr == nullptr) {
-        ALOGE("IDvr is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mDvr->close();
-    mDvr = nullptr;
-
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
     }
diff --git a/services/tuner/hidl/TunerHidlFilter.cpp b/services/tuner/hidl/TunerHidlFilter.cpp
index fe74a5c..d4a3db5 100644
--- a/services/tuner/hidl/TunerHidlFilter.cpp
+++ b/services/tuner/hidl/TunerHidlFilter.cpp
@@ -92,31 +92,32 @@
 namespace tv {
 namespace tuner {
 
-TunerHidlFilter::TunerHidlFilter(sp<HidlIFilter> filter, sp<FilterCallback> cb,
-                                 DemuxFilterType type)
+TunerHidlFilter::TunerHidlFilter(const sp<HidlIFilter> filter, const sp<FilterCallback> cb,
+                                 const DemuxFilterType type,
+                                 const shared_ptr<TunerHidlService> tuner)
       : mFilter(filter),
         mType(type),
         mStarted(false),
         mShared(false),
         mClientPid(-1),
-        mFilterCallback(cb) {
+        mFilterCallback(cb),
+        mTunerService(tuner) {
     mFilter_1_1 = ::android::hardware::tv::tuner::V1_1::IFilter::castFrom(filter);
 }
 
 TunerHidlFilter::~TunerHidlFilter() {
-    Mutex::Autolock _l(mLock);
-    mFilter = nullptr;
-    mFilter_1_1 = nullptr;
+    freeSharedFilterToken("");
+
+    {
+        Mutex::Autolock _l(mLock);
+        mFilter = nullptr;
+        mFilter_1_1 = nullptr;
+        mTunerService = nullptr;
+    }
 }
 
 ::ndk::ScopedAStatus TunerHidlFilter::getQueueDesc(AidlMQDesc* _aidl_return) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         IPCThreadState* ipc = IPCThreadState::self();
         int32_t callingPid = ipc->getCallingPid();
@@ -146,12 +147,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::getId(int32_t* _aidl_return) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         ALOGD("%s is called on a shared filter", __FUNCTION__);
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
@@ -200,12 +195,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::configure(const DemuxFilterSettings& in_settings) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         ALOGD("%s is called on a shared filter", __FUNCTION__);
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
@@ -318,12 +307,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::setDataSource(const shared_ptr<ITunerFilter>& filter) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (filter == nullptr) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::INVALID_ARGUMENT));
@@ -378,12 +361,6 @@
 ::ndk::ScopedAStatus TunerHidlFilter::releaseAvHandle(const NativeHandle& in_handle,
                                                       int64_t in_avDataId) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         ALOGD("%s is called on a shared filter", __FUNCTION__);
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
@@ -407,12 +384,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::start() {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         IPCThreadState* ipc = IPCThreadState::self();
         int32_t callingPid = ipc->getCallingPid();
@@ -434,12 +405,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::stop() {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         IPCThreadState* ipc = IPCThreadState::self();
         int32_t callingPid = ipc->getCallingPid();
@@ -461,12 +426,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::flush() {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         IPCThreadState* ipc = IPCThreadState::self();
         int32_t callingPid = ipc->getCallingPid();
@@ -487,12 +446,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::close() {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared) {
         IPCThreadState* ipc = IPCThreadState::self();
         int32_t callingPid = ipc->getCallingPid();
@@ -501,7 +454,7 @@
                 mFilterCallback->sendSharedFilterStatus(STATUS_INACCESSIBLE);
                 mFilterCallback->detachSharedFilterCallback();
             }
-            TunerHidlService::getTunerService()->removeSharedFilter(this->ref<TunerHidlFilter>());
+            mTunerService->removeSharedFilter(this->ref<TunerHidlFilter>());
         } else {
             // Calling from shared process, do not really close this filter.
             if (mFilterCallback != nullptr) {
@@ -516,8 +469,6 @@
         mFilterCallback->detachCallbacks();
     }
     HidlResult res = mFilter->close();
-    mFilter = nullptr;
-    mFilter_1_1 = nullptr;
     mStarted = false;
     mShared = false;
     mClientPid = -1;
@@ -531,12 +482,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::acquireSharedFilterToken(string* _aidl_return) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (mShared || mStarted) {
         ALOGD("create SharedFilter in wrong state");
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
@@ -545,8 +490,7 @@
 
     IPCThreadState* ipc = IPCThreadState::self();
     mClientPid = ipc->getCallingPid();
-    string token =
-            TunerHidlService::getTunerService()->addFilterToShared(this->ref<TunerHidlFilter>());
+    string token = mTunerService->addFilterToShared(this->ref<TunerHidlFilter>());
     _aidl_return->assign(token);
     mShared = true;
 
@@ -555,12 +499,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFilter::freeSharedFilterToken(const string& /* in_filterToken */) {
     Mutex::Autolock _l(mLock);
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (!mShared) {
         // The filter is not shared or the shared filter has been closed.
         return ::ndk::ScopedAStatus::ok();
@@ -571,19 +509,13 @@
         mFilterCallback->detachSharedFilterCallback();
     }
 
-    TunerHidlService::getTunerService()->removeSharedFilter(this->ref<TunerHidlFilter>());
+    mTunerService->removeSharedFilter(this->ref<TunerHidlFilter>());
     mShared = false;
 
     return ::ndk::ScopedAStatus::ok();
 }
 
 ::ndk::ScopedAStatus TunerHidlFilter::getFilterType(DemuxFilterType* _aidl_return) {
-    if (mFilter == nullptr) {
-        ALOGE("IFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     *_aidl_return = mType;
     return ::ndk::ScopedAStatus::ok();
 }
diff --git a/services/tuner/hidl/TunerHidlFilter.h b/services/tuner/hidl/TunerHidlFilter.h
index 63c7a1b..a58eeca 100644
--- a/services/tuner/hidl/TunerHidlFilter.h
+++ b/services/tuner/hidl/TunerHidlFilter.h
@@ -114,6 +114,8 @@
 const static int IP_V4_LENGTH = 4;
 const static int IP_V6_LENGTH = 16;
 
+class TunerHidlService;
+
 class TunerHidlFilter : public BnTunerFilter {
 public:
     class FilterCallback : public HidlIFilterCallback {
@@ -165,7 +167,8 @@
         Mutex mCallbackLock;
     };
 
-    TunerHidlFilter(sp<HidlIFilter> filter, sp<FilterCallback> cb, DemuxFilterType type);
+    TunerHidlFilter(const sp<HidlIFilter> filter, const sp<FilterCallback> cb,
+                    const DemuxFilterType type, const shared_ptr<TunerHidlService> tuner);
     virtual ~TunerHidlFilter();
 
     ::ndk::ScopedAStatus getId(int32_t* _aidl_return) override;
@@ -230,6 +233,7 @@
     int32_t mClientPid;
     sp<FilterCallback> mFilterCallback;
     Mutex mLock;
+    shared_ptr<TunerHidlService> mTunerService;
 };
 
 }  // namespace tuner
diff --git a/services/tuner/hidl/TunerHidlFrontend.cpp b/services/tuner/hidl/TunerHidlFrontend.cpp
index 03957f3..7ffb2a4 100644
--- a/services/tuner/hidl/TunerHidlFrontend.cpp
+++ b/services/tuner/hidl/TunerHidlFrontend.cpp
@@ -176,26 +176,23 @@
 namespace tv {
 namespace tuner {
 
-TunerHidlFrontend::TunerHidlFrontend(sp<HidlIFrontend> frontend, int id) {
+TunerHidlFrontend::TunerHidlFrontend(const sp<HidlIFrontend> frontend, const int id,
+                                     const shared_ptr<TunerHidlService> tuner) {
     mFrontend = frontend;
     mFrontend_1_1 = ::android::hardware::tv::tuner::V1_1::IFrontend::castFrom(mFrontend);
     mId = id;
+    mTunerService = tuner;
 }
 
 TunerHidlFrontend::~TunerHidlFrontend() {
     mFrontend = nullptr;
     mFrontend_1_1 = nullptr;
     mId = -1;
+    mTunerService = nullptr;
 }
 
 ::ndk::ScopedAStatus TunerHidlFrontend::setCallback(
         const shared_ptr<ITunerFrontendCallback>& tunerFrontendCallback) {
-    if (mFrontend == nullptr) {
-        ALOGE("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (tunerFrontendCallback == nullptr) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::INVALID_ARGUMENT));
@@ -211,12 +208,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlFrontend::tune(const FrontendSettings& settings) {
-    if (mFrontend == nullptr) {
-        ALOGE("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     HidlFrontendSettings frontendSettings;
     HidlFrontendSettingsExt1_1 frontendSettingsExt;
@@ -234,12 +225,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlFrontend::stopTune() {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status = mFrontend->stopTune();
     if (status == HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::ok();
@@ -250,12 +235,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFrontend::scan(const FrontendSettings& settings,
                                              FrontendScanType frontendScanType) {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     HidlFrontendSettings frontendSettings;
     HidlFrontendSettingsExt1_1 frontendSettingsExt;
@@ -276,12 +255,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlFrontend::stopScan() {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status = mFrontend->stopScan();
     if (status == HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::ok();
@@ -291,12 +264,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlFrontend::setLnb(const shared_ptr<ITunerLnb>& lnb) {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     if (lnb == nullptr) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::INVALID_ARGUMENT));
@@ -349,18 +316,8 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlFrontend::close() {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
-    TunerHidlService::getTunerService()->removeFrontend(this->ref<TunerHidlFrontend>());
-
+    mTunerService->removeFrontend(this->ref<TunerHidlFrontend>());
     HidlResult status = mFrontend->close();
-    mFrontend = nullptr;
-    mFrontend_1_1 = nullptr;
-
     if (status != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(status));
     }
@@ -370,12 +327,6 @@
 
 ::ndk::ScopedAStatus TunerHidlFrontend::getStatus(const vector<FrontendStatusType>& in_statusTypes,
                                                   vector<FrontendStatus>* _aidl_return) {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res;
     vector<HidlFrontendStatus> status;
     vector<HidlFrontendStatusExt1_1> statusExt;
@@ -442,11 +393,6 @@
 }
 
 void TunerHidlFrontend::setLna(bool bEnable) {
-    if (mFrontend == nullptr) {
-        ALOGD("IFrontend is not initialized");
-        return;
-    }
-
     mFrontend->setLna(bEnable);
 }
 
diff --git a/services/tuner/hidl/TunerHidlFrontend.h b/services/tuner/hidl/TunerHidlFrontend.h
index f698655..f54127b 100644
--- a/services/tuner/hidl/TunerHidlFrontend.h
+++ b/services/tuner/hidl/TunerHidlFrontend.h
@@ -64,9 +64,12 @@
 namespace tv {
 namespace tuner {
 
+class TunerHidlService;
+
 class TunerHidlFrontend : public BnTunerFrontend {
 public:
-    TunerHidlFrontend(sp<HidlIFrontend> frontend, int id);
+    TunerHidlFrontend(const sp<HidlIFrontend> frontend, const int id,
+                      const shared_ptr<TunerHidlService> tuner);
     virtual ~TunerHidlFrontend();
 
     ::ndk::ScopedAStatus setCallback(
@@ -118,6 +121,7 @@
     int mId;
     sp<HidlIFrontend> mFrontend;
     sp<::android::hardware::tv::tuner::V1_1::IFrontend> mFrontend_1_1;
+    shared_ptr<TunerHidlService> mTunerService;
 };
 
 }  // namespace tuner
diff --git a/services/tuner/hidl/TunerHidlService.cpp b/services/tuner/hidl/TunerHidlService.cpp
index 6f55f1e..aa03316 100644
--- a/services/tuner/hidl/TunerHidlService.cpp
+++ b/services/tuner/hidl/TunerHidlService.cpp
@@ -24,6 +24,7 @@
 #include <android/binder_manager.h>
 #include <binder/IPCThreadState.h>
 #include <binder/PermissionCache.h>
+#include <cutils/properties.h>
 #include <utils/Log.h>
 
 #include "TunerHelper.h"
@@ -46,7 +47,6 @@
 using ::aidl::android::hardware::tv::tuner::FrontendIsdbtTimeInterleaveMode;
 using ::aidl::android::hardware::tv::tuner::FrontendType;
 using ::aidl::android::hardware::tv::tuner::Result;
-using ::aidl::android::media::tv::tunerresourcemanager::TunerFrontendInfo;
 using ::android::IPCThreadState;
 using ::android::PermissionCache;
 using ::android::hardware::hidl_vec;
@@ -63,47 +63,9 @@
 namespace tv {
 namespace tuner {
 
-shared_ptr<TunerHidlService> TunerHidlService::sTunerService = nullptr;
-
 TunerHidlService::TunerHidlService() {
-    if (!TunerHelper::checkTunerFeature()) {
-        ALOGD("Device doesn't have tuner hardware.");
-        return;
-    }
-
-    updateTunerResources();
-}
-
-TunerHidlService::~TunerHidlService() {
-    mOpenedFrontends.clear();
-    mLnaStatus = -1;
-}
-
-binder_status_t TunerHidlService::instantiate() {
-    if (HidlITuner::getService() == nullptr) {
-        ALOGD("Failed to get ITuner HIDL HAL");
-        return STATUS_NAME_NOT_FOUND;
-    }
-
-    sTunerService = ::ndk::SharedRefBase::make<TunerHidlService>();
-    return AServiceManager_addService(sTunerService->asBinder().get(), getServiceName());
-}
-
-shared_ptr<TunerHidlService> TunerHidlService::getTunerService() {
-    return sTunerService;
-}
-
-bool TunerHidlService::hasITuner() {
-    ALOGV("hasITuner");
-    if (mTuner != nullptr) {
-        return true;
-    }
-
     mTuner = HidlITuner::getService();
-    if (mTuner == nullptr) {
-        ALOGE("Failed to get ITuner service");
-        return false;
-    }
+    ALOGE_IF(mTuner == nullptr, "Failed to get ITuner service");
     mTunerVersion = TUNER_HAL_VERSION_1_0;
 
     mTuner_1_1 = ::android::hardware::tv::tuner::V1_1::ITuner::castFrom(mTuner);
@@ -113,23 +75,35 @@
         ALOGD("Failed to get ITuner_1_1 service");
     }
 
-    return true;
+    // Register tuner resources to TRM.
+    updateTunerResources();
 }
 
-bool TunerHidlService::hasITuner_1_1() {
-    ALOGV("hasITuner_1_1");
-    hasITuner();
-    return (mTunerVersion == TUNER_HAL_VERSION_1_1);
+TunerHidlService::~TunerHidlService() {
+    mOpenedFrontends.clear();
+    mLnaStatus = -1;
+    mTuner = nullptr;
+    mTuner_1_1 = nullptr;
+}
+
+binder_status_t TunerHidlService::instantiate() {
+    if (HidlITuner::getService() == nullptr) {
+        ALOGD("Failed to get ITuner HIDL HAL");
+        return STATUS_NAME_NOT_FOUND;
+    }
+
+    shared_ptr<TunerHidlService> tunerService = ::ndk::SharedRefBase::make<TunerHidlService>();
+    bool lazyHal = property_get_bool("ro.tuner.lazyhal", false);
+    if (lazyHal) {
+        return AServiceManager_registerLazyService(tunerService->asBinder().get(),
+                                                   getServiceName());
+    }
+    return AServiceManager_addService(tunerService->asBinder().get(), getServiceName());
 }
 
 ::ndk::ScopedAStatus TunerHidlService::openDemux(int32_t /* in_demuxHandle */,
                                                  shared_ptr<ITunerDemux>* _aidl_return) {
     ALOGV("openDemux");
-    if (!hasITuner()) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res;
     uint32_t id;
     sp<IDemux> demuxSp = nullptr;
@@ -140,7 +114,8 @@
         ALOGD("open demux, id = %d", demuxId);
     });
     if (res == HidlResult::SUCCESS) {
-        *_aidl_return = ::ndk::SharedRefBase::make<TunerHidlDemux>(demuxSp, id);
+        *_aidl_return = ::ndk::SharedRefBase::make<TunerHidlDemux>(demuxSp, id,
+                                                                   this->ref<TunerHidlService>());
         return ::ndk::ScopedAStatus::ok();
     }
 
@@ -150,11 +125,6 @@
 
 ::ndk::ScopedAStatus TunerHidlService::getDemuxCaps(DemuxCapabilities* _aidl_return) {
     ALOGV("getDemuxCaps");
-    if (!hasITuner()) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res;
     HidlDemuxCapabilities caps;
     mTuner->getDemuxCaps([&](HidlResult r, const HidlDemuxCapabilities& demuxCaps) {
@@ -171,11 +141,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlService::getFrontendIds(vector<int32_t>* ids) {
-    if (!hasITuner()) {
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     hidl_vec<HidlFrontendId> feIds;
     HidlResult res = getHidlFrontendIds(feIds);
     if (res != HidlResult::SUCCESS) {
@@ -188,12 +153,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlService::getFrontendInfo(int32_t id, FrontendInfo* _aidl_return) {
-    if (!hasITuner()) {
-        ALOGE("ITuner service is not init.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlFrontendInfo info;
     HidlResult res = getHidlFrontendInfo(id, info);
     if (res != HidlResult::SUCCESS) {
@@ -202,7 +161,7 @@
 
     HidlFrontendDtmbCapabilities dtmbCaps;
     if (static_cast<HidlFrontendType>(info.type) == HidlFrontendType::DTMB) {
-        if (!hasITuner_1_1()) {
+        if (mTuner_1_1 == nullptr) {
             ALOGE("ITuner_1_1 service is not init.");
             return ::ndk::ScopedAStatus::fromServiceSpecificError(
                     static_cast<int32_t>(Result::UNAVAILABLE));
@@ -224,12 +183,6 @@
 
 ::ndk::ScopedAStatus TunerHidlService::openFrontend(int32_t frontendHandle,
                                                     shared_ptr<ITunerFrontend>* _aidl_return) {
-    if (!hasITuner()) {
-        ALOGE("ITuner service is not init.");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     sp<HidlIFrontend> frontend;
     int id = TunerHelper::getResourceIdFromHandle(frontendHandle, FRONTEND);
@@ -241,8 +194,8 @@
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(status));
     }
 
-    shared_ptr<TunerHidlFrontend> tunerFrontend =
-            ::ndk::SharedRefBase::make<TunerHidlFrontend>(frontend, id);
+    shared_ptr<TunerHidlFrontend> tunerFrontend = ::ndk::SharedRefBase::make<TunerHidlFrontend>(
+            frontend, id, this->ref<TunerHidlService>());
     if (mLnaStatus != -1) {
         tunerFrontend->setLna(mLnaStatus == 1);
     }
@@ -255,12 +208,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlService::openLnb(int lnbHandle, shared_ptr<ITunerLnb>* _aidl_return) {
-    if (!hasITuner()) {
-        ALOGD("get ITuner failed");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     sp<HidlILnb> lnb;
     int id = TunerHelper::getResourceIdFromHandle(lnbHandle, LNB);
@@ -278,12 +225,6 @@
 
 ::ndk::ScopedAStatus TunerHidlService::openLnbByName(const string& lnbName,
                                                      shared_ptr<ITunerLnb>* _aidl_return) {
-    if (!hasITuner()) {
-        ALOGE("get ITuner failed");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     int lnbId;
     HidlResult status;
     sp<HidlILnb> lnb;
@@ -302,12 +243,6 @@
 
 ::ndk::ScopedAStatus TunerHidlService::openDescrambler(
         int32_t /*descramblerHandle*/, shared_ptr<ITunerDescrambler>* _aidl_return) {
-    if (!hasITuner()) {
-        ALOGD("get ITuner failed");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     sp<HidlIDescrambler> descrambler;
     //int id = TunerHelper::getResourceIdFromHandle(descramblerHandle, DESCRAMBLER);
@@ -324,7 +259,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlService::getTunerHalVersion(int* _aidl_return) {
-    hasITuner();
     *_aidl_return = mTunerVersion;
     return ::ndk::ScopedAStatus::ok();
 }
@@ -332,7 +266,7 @@
 ::ndk::ScopedAStatus TunerHidlService::openSharedFilter(
         const string& in_filterToken, const shared_ptr<ITunerFilterCallback>& in_cb,
         shared_ptr<ITunerFilter>* _aidl_return) {
-    if (!hasITuner()) {
+    if (mTuner == nullptr) {
         ALOGE("get ITuner failed");
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::UNAVAILABLE));
@@ -369,7 +303,7 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlService::setLna(bool bEnable) {
-    if (!hasITuner()) {
+    if (mTuner == nullptr) {
         ALOGE("get ITuner failed");
         return ::ndk::ScopedAStatus::fromServiceSpecificError(
                 static_cast<int32_t>(Result::UNAVAILABLE));
@@ -428,11 +362,6 @@
 }
 
 void TunerHidlService::updateTunerResources() {
-    if (!hasITuner()) {
-        ALOGE("Failed to updateTunerResources");
-        return;
-    }
-
     TunerHelper::updateTunerResources(getTRMFrontendInfos(), getTRMLnbHandles());
 }
 
diff --git a/services/tuner/hidl/TunerHidlService.h b/services/tuner/hidl/TunerHidlService.h
index 2252d35..6f43d43 100644
--- a/services/tuner/hidl/TunerHidlService.h
+++ b/services/tuner/hidl/TunerHidlService.h
@@ -99,11 +99,7 @@
     void removeSharedFilter(const shared_ptr<TunerHidlFilter>& sharedFilter);
     void removeFrontend(const shared_ptr<TunerHidlFrontend>& frontend);
 
-    static shared_ptr<TunerHidlService> getTunerService();
-
 private:
-    bool hasITuner();
-    bool hasITuner_1_1();
     void updateTunerResources();
     vector<TunerFrontendInfo> getTRMFrontendInfos();
     vector<int32_t> getTRMLnbHandles();
@@ -121,8 +117,6 @@
     Mutex mOpenedFrontendsLock;
     unordered_set<shared_ptr<TunerHidlFrontend>> mOpenedFrontends;
     int mLnaStatus = -1;
-
-    static shared_ptr<TunerHidlService> sTunerService;
 };
 
 }  // namespace tuner
diff --git a/services/tuner/hidl/TunerHidlTimeFilter.cpp b/services/tuner/hidl/TunerHidlTimeFilter.cpp
index d0606d6..06a71d0 100644
--- a/services/tuner/hidl/TunerHidlTimeFilter.cpp
+++ b/services/tuner/hidl/TunerHidlTimeFilter.cpp
@@ -43,12 +43,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlTimeFilter::setTimeStamp(int64_t timeStamp) {
-    if (mTimeFilter == nullptr) {
-        ALOGE("ITimeFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status = mTimeFilter->setTimeStamp(static_cast<uint64_t>(timeStamp));
     if (status != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(status));
@@ -57,12 +51,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlTimeFilter::clearTimeStamp() {
-    if (mTimeFilter == nullptr) {
-        ALOGE("ITimeFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status = mTimeFilter->clearTimeStamp();
     if (status != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(status));
@@ -71,13 +59,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlTimeFilter::getSourceTime(int64_t* _aidl_return) {
-    if (mTimeFilter == nullptr) {
-        *_aidl_return = (int64_t)Constant64Bit::INVALID_PRESENTATION_TIME_STAMP;
-        ALOGE("ITimeFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     mTimeFilter->getSourceTime([&](HidlResult r, uint64_t t) {
         status = r;
@@ -91,13 +72,6 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlTimeFilter::getTimeStamp(int64_t* _aidl_return) {
-    if (mTimeFilter == nullptr) {
-        *_aidl_return = (int64_t)Constant64Bit::INVALID_PRESENTATION_TIME_STAMP;
-        ALOGE("ITimeFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult status;
     mTimeFilter->getTimeStamp([&](HidlResult r, uint64_t t) {
         status = r;
@@ -111,15 +85,7 @@
 }
 
 ::ndk::ScopedAStatus TunerHidlTimeFilter::close() {
-    if (mTimeFilter == nullptr) {
-        ALOGE("ITimeFilter is not initialized");
-        return ::ndk::ScopedAStatus::fromServiceSpecificError(
-                static_cast<int32_t>(Result::UNAVAILABLE));
-    }
-
     HidlResult res = mTimeFilter->close();
-    mTimeFilter = nullptr;
-
     if (res != HidlResult::SUCCESS) {
         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
     }