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
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