rk3288 android 9 電量修改

默認情況下 沒有電池 電量會顯示 0% 

修改爲100%

diff --git a/system/core/healthd/BatteryMonitor.cpp b/system/core/healthd/BatteryMonitor.cpp
index 80c5afe..f72c28b 100644
--- a/system/core/healthd/BatteryMonitor.cpp
+++ b/system/core/healthd/BatteryMonitor.cpp
@@ -42,6 +42,7 @@
 #define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM
 #define FAKE_BATTERY_CAPACITY 42
 #define FAKE_BATTERY_TEMPERATURE 424
+#define ALWAYS_PLUGGED_CAPACITY 100
 #define MILLION 1.0e6
 #define DEFAULT_VBUS_VOLTAGE 5000000
 
@@ -83,6 +84,7 @@ static void initBatteryProperties(BatteryProperties* props) {
 BatteryMonitor::BatteryMonitor()
     : mHealthdConfig(nullptr),
       mBatteryDevicePresent(false),
+         mAlwaysPluggedDevice(false),
       mBatteryFixedCapacity(0),
       mBatteryFixedTemperature(0) {
     initBatteryProperties(&props);
@@ -229,6 +231,16 @@ bool BatteryMonitor::update(void) {
         mBatteryFixedTemperature :
         getIntField(mHealthdConfig->batteryTemperaturePath);
 
+    // zhangwei
+    // For devices which do not have battery and are always plugged
+    // into power souce.
+    if (mAlwaysPluggedDevice) {
+        props.chargerAcOnline = true;
+        props.batteryPresent = true;
+        props.batteryStatus = BATTERY_STATUS_CHARGING;
+        props.batteryHealth = BATTERY_HEALTH_GOOD;
+    }
+
     std::string buf;
 
     if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
@@ -609,6 +621,9 @@ void BatteryMonitor::init(struct healthd_config *hc) {
         KLOG_WARNING(LOG_TAG, "No battery devices found\n");
         hc->periodic_chores_interval_fast = -1;
         hc->periodic_chores_interval_slow = -1;
+               mBatteryFixedCapacity = ALWAYS_PLUGGED_CAPACITY;
+        mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE;
+        mAlwaysPluggedDevice = true;
     } else {
: