commit 607720e6f5a6c44f03ed41f8e048bc3b194e3780
author Matt Buckley <mattbuckley@google.com> Mon Oct 28 19:21:37 2024 +0000
committer Matt Buckley <mattbuckley@google.com> Mon Oct 28 19:21:37 2024 +0000
tree c0a4c2cc09744a52f360729b6f7d623619afec5a
parent 3043bba2ac1510044b35870ca1ad2802923c5059

Revert "Revert "Add HAL method to return SupportInfo object for ..."

Revert submission 30089224-revert-29740067-support_info-AZFGLTWWRM

Reason for revert: It actually does work

Reverted changes: /q/submissionid:30089224-revert-29740067-support_info-AZFGLTWWRM

Change-Id: I97f28617f25c669b949a49c76fd4f8958f29d82f

power/aidl/default/Power.cpp

diff --git a/power/aidl/default/Power.cpp b/power/aidl/default/Power.cpp
index 64294e5..36d0055 100644
--- a/power/aidl/default/Power.cpp
+++ b/power/aidl/default/Power.cpp
@@ -41,6 +41,11 @@
                                      ndk::enum_range<Boost>().end()};
 const std::vector<Mode> MODE_RANGE{ndk::enum_range<Mode>().begin(), ndk::enum_range<Mode>().end()};
 
+template <class T>
+constexpr size_t enum_size() {
+    return static_cast<size_t>(*(ndk::enum_range<T>().end() - 1)) + 1;
+}
+
 ScopedAStatus Power::setMode(Mode type, bool enabled) {
     LOG(VERBOSE) << "Power setMode: " << static_cast<int32_t>(type) << " to: " << enabled;
     return ScopedAStatus::ok();
@@ -105,11 +110,30 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ScopedAStatus Power::getHintSessionPreferredRate(int64_t* outNanoseconds) {
+ndk::ScopedAStatus Power::getHintSessionPreferredRate(int64_t* outNanoseconds) {
     *outNanoseconds = std::chrono::nanoseconds(1ms).count();
     return ScopedAStatus::ok();
 }
 
+template <class E>
+int64_t bitsForEnum() {
+    return static_cast<int64_t>(std::bitset<enum_size<E>()>().set().to_ullong());
+}
+
+ndk::ScopedAStatus Power::getSupportInfo(SupportInfo* _aidl_return) {
+    static SupportInfo supportInfo = {
+            .usesSessions = false,
+            .modes = bitsForEnum<Mode>(),
+            .boosts = bitsForEnum<Boost>(),
+            .sessionHints = 0,
+            .sessionModes = 0,
+            .sessionTags = 0,
+    };
+    // Copy the support object into the binder
+    *_aidl_return = supportInfo;
+    return ndk::ScopedAStatus::ok();
+}
+
 }  // namespace example
 }  // namespace impl
 }  // namespace power

power/aidl/default/Power.h

diff --git a/power/aidl/default/Power.h b/power/aidl/default/Power.h
index baabaa7..ef524e1 100644
--- a/power/aidl/default/Power.h
+++ b/power/aidl/default/Power.h
@@ -44,6 +44,7 @@
     ndk::ScopedAStatus getSessionChannel(int32_t tgid, int32_t uid,
                                          ChannelConfig* _aidl_return) override;
     ndk::ScopedAStatus closeSessionChannel(int32_t tgid, int32_t uid) override;
+    ndk::ScopedAStatus getSupportInfo(SupportInfo* _aidl_return) override;
 
   private:
     std::vector<std::shared_ptr<IPowerHintSession>> mPowerHintSessions;