bool getACStatus()
{
IOService * batteryDevice = getBatteryDevice();
if (NULL != batteryDevice)
{
OSObject * obj = batteryDevice->getProperty("ExternalConnected");
OSBoolean * status = OSDynamicCast(OSBoolean, obj);
if (status)
return status->getValue();
}
return true;
}
static void checkACStatusThread(thread_call_param_t param0,
thread_call_param_t param1)
{
int i=0;
const int retryTimes = 10;
while (!isStatusThreadCanCancel && i<retryTimes) {
if(NULL == commmonBatteryDevice)
{
IOLog("Can't find battery device, retry %d...\n", retryTimes-i);
commmonBatteryDevice = getBatteryDevice();
IOSleep(3000);
i++;
continue;
}
OSObject * obj = commmonBatteryDevice->getProperty("ExternalConnected");
OSBoolean * status = OSDynamicCast(OSBoolean, obj);
if (!status)
{
IOLog("Battery status get failed.\n");
break;
}
if(ACStatusChangedCallback)
{
bool batStatus = status->getValue();
if(batStatus != ACStatus)
{
//IOLog("Battery status changed.\n");
ACStatus = batStatus;
ACStatusChangedCallback(batStatus);
}
}
else
ACStatus = status->getValue();
IOSleep(ACStatus?1000:5000);//1s=1000ms
}
if(i == 10)
IOLog("Can't find battery device, exit.\n");
else
IOLog("Battery thread cancelled.\n");
isStatusThreadCancelled = true;
}
bool ACPIBacklightPanel::getACStatus()
{
DbgLog("%s::%s()\n", this->getName(),__FUNCTION__);
IOService * batteryDevice = getBatteryDevice();
if (NULL != batteryDevice)
{
OSObject * obj = batteryDevice->getProperty("ExternalConnected");
OSBoolean * status = OSDynamicCast(OSBoolean, obj);
if (status)
{
DbgLog("%s: getACStatus() AC is %d\n", this->getName(), status->getValue());
return status->getValue();
}
else
DbgLog("%s: getACStatus() unable to get \"ExternalConnected\" property\n", this->getName());
}
return true;
}
