add wireless charger support

bug: 6879638

- add new enum value BATTERY_PLUGGED_WIRELESS
- check for sys online file with contents "Wireless"

Change-Id: I22dc3c40f50573c98643e7b5cbcb237d0216530d

1 files changed, 12 insertions, 0 deletions

diff --git a/services/jni/com_android_server_BatteryService.cpp b/services/jni/com_android_server_BatteryService.cpp
index ca6f206..8ebc6ea 100644
--- a/services/jni/com_android_server_BatteryService.cpp
+++ b/services/jni/com_android_server_BatteryService.cpp
@@ -42,6 +42,7 @@ struct FieldIds {
     // members
     jfieldID mAcOnline;
     jfieldID mUsbOnline;
+    jfieldID mWirelessOnline;
     jfieldID mBatteryStatus;
     jfieldID mBatteryHealth;
     jfieldID mBatteryPresent;
@@ -71,6 +72,7 @@ static BatteryManagerConstants gConstants;
 struct PowerSupplyPaths {
     char* acOnlinePath;
     char* usbOnlinePath;
+    char* wirelessOnlinePath;
     char* batteryStatusPath;
     char* batteryHealthPath;
     char* batteryPresentPath;
@@ -198,6 +200,7 @@ static void android_server_BatteryService_update(JNIEnv* env, jobject obj)
 {
     setBooleanField(env, obj, gPaths.acOnlinePath, gFieldIds.mAcOnline);
     setBooleanField(env, obj, gPaths.usbOnlinePath, gFieldIds.mUsbOnline);
+    setBooleanField(env, obj, gPaths.wirelessOnlinePath, gFieldIds.mWirelessOnline);
     setBooleanField(env, obj, gPaths.batteryPresentPath, gFieldIds.mBatteryPresent);
     
     setIntField(env, obj, gPaths.batteryCapacityPath, gFieldIds.mBatteryLevel);
@@ -260,6 +263,11 @@ int register_android_server_BatteryService(JNIEnv* env)
                     if (access(path, R_OK) == 0)
                         gPaths.usbOnlinePath = strdup(path);
                 }
+                else if (strcmp(buf, "Wireless") == 0) {
+                    snprintf(path, sizeof(path), "%s/%s/online", POWER_SUPPLY_PATH, name);
+                    if (access(path, R_OK) == 0)
+                        gPaths.wirelessOnlinePath = strdup(path);
+                }
                 else if (strcmp(buf, "Battery") == 0) {
                     snprintf(path, sizeof(path), "%s/%s/status", POWER_SUPPLY_PATH, name);
                     if (access(path, R_OK) == 0)
@@ -307,6 +315,8 @@ int register_android_server_BatteryService(JNIEnv* env)
         ALOGE("acOnlinePath not found");
     if (!gPaths.usbOnlinePath)
         ALOGE("usbOnlinePath not found");
+    if (!gPaths.wirelessOnlinePath)
+        ALOGE("wirelessOnlinePath not found");
     if (!gPaths.batteryStatusPath)
         ALOGE("batteryStatusPath not found");
     if (!gPaths.batteryHealthPath)
@@ -331,6 +341,7 @@ int register_android_server_BatteryService(JNIEnv* env)
     
     gFieldIds.mAcOnline = env->GetFieldID(clazz, "mAcOnline", "Z");
     gFieldIds.mUsbOnline = env->GetFieldID(clazz, "mUsbOnline", "Z");
+    gFieldIds.mWirelessOnline = env->GetFieldID(clazz, "mWirelessOnline", "Z");
     gFieldIds.mBatteryStatus = env->GetFieldID(clazz, "mBatteryStatus", "I");
     gFieldIds.mBatteryHealth = env->GetFieldID(clazz, "mBatteryHealth", "I");
     gFieldIds.mBatteryPresent = env->GetFieldID(clazz, "mBatteryPresent", "Z");
@@ -341,6 +352,7 @@ int register_android_server_BatteryService(JNIEnv* env)
 
     LOG_FATAL_IF(gFieldIds.mAcOnline == NULL, "Unable to find BatteryService.AC_ONLINE_PATH");
     LOG_FATAL_IF(gFieldIds.mUsbOnline == NULL, "Unable to find BatteryService.USB_ONLINE_PATH");
+    LOG_FATAL_IF(gFieldIds.mWirelessOnline == NULL, "Unable to find BatteryService.WIRELESS_ONLINE_PATH");
     LOG_FATAL_IF(gFieldIds.mBatteryStatus == NULL, "Unable to find BatteryService.BATTERY_STATUS_PATH");
     LOG_FATAL_IF(gFieldIds.mBatteryHealth == NULL, "Unable to find BatteryService.BATTERY_HEALTH_PATH");
     LOG_FATAL_IF(gFieldIds.mBatteryPresent == NULL, "Unable to find BatteryService.BATTERY_PRESENT_PATH");