commit 39bf2c314644db179773b1d03185eedc9617b5f5
author Shunkai Yao <yaoshunkai@google.com> Tue Dec 06 03:25:59 2022 +0000
committer Shunkai Yao <yaoshunkai@google.com> Fri Dec 09 02:39:42 2022 +0000
tree 0879a7233ccd0e582b14b3dd36859f93ff6e453c
parent 1186b9912075f35e89e222550a4eb81188624a31

Audio AIDL HAL priority update

Enable RT priority inheritance.
Set minimum Audio AIDL HAL Binder access priority to ANDROID_PRIORITY_AUDIO.

Bug: 261496726
Test: atest VtsHalAudioEffectTargetTest
Test: atest VtsHalAudioCoreTargetTest
Change-Id: I584d80f4fe344e4bfae5765cac2afb92313b6a39

audio/aidl/default/Module.cpp

diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index 1e561d4..971d946 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -19,6 +19,7 @@
 
 #define LOG_TAG "AHAL_Module"
 #include <android-base/logging.h>
+#include <android/binder_ibinder_platform.h>
 
 #include <Utils.h>
 #include <aidl/android/media/audio/common/AudioInputFlags.h>
@@ -307,6 +308,8 @@
 ndk::ScopedAStatus Module::getTelephony(std::shared_ptr<ITelephony>* _aidl_return) {
     if (mTelephony == nullptr) {
         mTelephony = ndk::SharedRefBase::make<Telephony>();
+        AIBinder_setMinSchedulerPolicy(mTelephony->asBinder().get(), SCHED_NORMAL,
+                                       ANDROID_PRIORITY_AUDIO);
     }
     *_aidl_return = mTelephony;
     LOG(DEBUG) << __func__ << ": returning instance of ITelephony: " << _aidl_return->get();
@@ -525,6 +528,7 @@
     if (auto status = stream->init(); !status.isOk()) {
         return status;
     }
+    AIBinder_setMinSchedulerPolicy(stream->asBinder().get(), SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
     StreamWrapper streamWrapper(stream);
     auto patchIt = mPatches.find(in_args.portConfigId);
     if (patchIt != mPatches.end()) {
@@ -575,6 +579,7 @@
     if (auto status = stream->init(); !status.isOk()) {
         return status;
     }
+    AIBinder_setMinSchedulerPolicy(stream->asBinder().get(), SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
     StreamWrapper streamWrapper(stream);
     auto patchIt = mPatches.find(in_args.portConfigId);
     if (patchIt != mPatches.end()) {