Added the ability to read external batteries
Extended InputDevice and EventHub with capabilites to detect and read
external battery status and capacity. This allows devices such as
wireless gamepads to provide battery information to applications.
Bug: 161633432
Test: atest InputDeviceBatteryTest
Change-Id: I3c65166a1f0b055c5b85bad286afd5beb60bb303
Merged-In: I3c65166a1f0b055c5b85bad286afd5beb60bb303
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index 7c448e4..de5d0e6 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -673,6 +673,26 @@
}
}
+std::optional<int32_t> InputReader::getBatteryCapacity(int32_t deviceId) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ return device->getBatteryCapacity();
+ }
+ return std::nullopt;
+}
+
+std::optional<int32_t> InputReader::getBatteryStatus(int32_t deviceId) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ return device->getBatteryStatus();
+ }
+ return std::nullopt;
+}
+
bool InputReader::isInputDeviceEnabled(int32_t deviceId) {
std::scoped_lock _l(mLock);