Merge "healthd: Don't take device-scoped battery as the main system battery." into rvc-dev
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 8e9e074..8b67e22 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -233,6 +233,15 @@
return value;
}
+bool BatteryMonitor::isScopedPowerSupply(const char* name) {
+ constexpr char kScopeDevice[] = "Device";
+
+ String8 path;
+ path.appendFormat("%s/%s/scope", POWER_SUPPLY_SYSFS_PATH, name);
+ std::string scope;
+ return (readFromFile(path, &scope) > 0 && scope == kScopeDevice);
+}
+
void BatteryMonitor::updateValues(void) {
initHealthInfo(mHealthInfo.get());
@@ -547,6 +556,11 @@
break;
case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
+ // Some devices expose the battery status of sub-component like
+ // stylus. Such a device-scoped battery info needs to be skipped
+ // in BatteryMonitor, which is intended to report the status of
+ // the battery supplying the power to the whole system.
+ if (isScopedPowerSupply(name)) continue;
mBatteryDevicePresent = true;
if (mHealthdConfig->batteryStatusPath.isEmpty()) {
diff --git a/healthd/include/healthd/BatteryMonitor.h b/healthd/include/healthd/BatteryMonitor.h
index d41a374..fadb5a5 100644
--- a/healthd/include/healthd/BatteryMonitor.h
+++ b/healthd/include/healthd/BatteryMonitor.h
@@ -78,6 +78,7 @@
PowerSupplyType readPowerSupplyType(const String8& path);
bool getBooleanField(const String8& path);
int getIntField(const String8& path);
+ bool isScopedPowerSupply(const char* name);
};
}; // namespace android