From 6c18e6da2aa9758eb7c9a639f44a15a45723f65b Mon Sep 17 00:00:00 2001
From: Matt Buckley <mattbuckley@google.com>
Date: Wed, 7 Feb 2024 23:39:50 +0000
Subject: Update PowerHAL wrapper support checking behavior

- Updates support checks to check status for UNKNOWN_TRANSACTION
- Adds PowerHintSessionWrapper class to check support on session methods
- Ensures that wrapper methods check the HAL version number for support
- Adds macros to cache returned wrapper call support status

Bug: 324255931
Test: atest libpowermanager_test
Test: atest libsurfaceflinger_unittest:PowerAdvisorTest
Change-Id: I4b329e6b55c53198bb064a34e792be6336e66e27
---
 services/powermanager/PowerHalLoader.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'services/powermanager/PowerHalLoader.cpp')

diff --git a/services/powermanager/PowerHalLoader.cpp b/services/powermanager/PowerHalLoader.cpp
index 22144615da..ea284c36d8 100644
--- a/services/powermanager/PowerHalLoader.cpp
+++ b/services/powermanager/PowerHalLoader.cpp
@@ -60,6 +60,7 @@ sp<V1_0::IPower> PowerHalLoader::gHalHidlV1_0 = nullptr;
 sp<V1_1::IPower> PowerHalLoader::gHalHidlV1_1 = nullptr;
 sp<V1_2::IPower> PowerHalLoader::gHalHidlV1_2 = nullptr;
 sp<V1_3::IPower> PowerHalLoader::gHalHidlV1_3 = nullptr;
+int32_t PowerHalLoader::gAidlInterfaceVersion = 0;
 
 void PowerHalLoader::unloadAll() {
     std::lock_guard<std::mutex> lock(gHalMutex);
@@ -89,6 +90,8 @@ std::shared_ptr<aidl::android::hardware::power::IPower> PowerHalLoader::loadAidl
             ndk::SpAIBinder(AServiceManager_waitForService(aidlServiceName.c_str())));
     if (gHalAidl) {
         ALOGI("Successfully connected to Power HAL AIDL service.");
+        gHalAidl->getInterfaceVersion(&gAidlInterfaceVersion);
+
     } else {
         ALOGI("Power HAL AIDL service not available.");
         gHalExists = false;
@@ -128,6 +131,10 @@ sp<V1_0::IPower> PowerHalLoader::loadHidlV1_0Locked() {
     return loadHal<V1_0::IPower>(gHalExists, gHalHidlV1_0, loadFn, "HIDL v1.0");
 }
 
+int32_t PowerHalLoader::getAidlVersion() {
+    return gAidlInterfaceVersion;
+}
+
 // -------------------------------------------------------------------------------------------------
 
 } // namespace power
-- 
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