IOReturn LPCSensors::setPowerState(unsigned long powerState, IOService *device)
{
switch (powerState) {
// Power Off
case 0:
willPowerOff();
break;
// Power On
case 1:
// Restore fan speed after wake from sleep if it was set before
for (int index = 0; index < tachometerSensorsLimit(); index ++) {
if (tachometerControls[index].target >= 0) {
tachometerControlInit(index, tachometerControls[index].target);
}
}
hasPoweredOn();
break;
default:
break;
}
return(IOPMAckImplied);
}
void LPCSensors::hasPoweredOn()
{
// Restore fan speed after wake from sleep if it was set before
for (int index = 0; index < tachometerSensorsLimit(); index ++) {
if (tachometerControls[index].target >= 0) {
tachometerControlInit(index, tachometerControls[index].target);
}
}
// Override, but call super
}
bool LPCSensors::didWriteSensorValue(FakeSMCSensor *sensor, float value)
{
if (sensor) {
switch (sensor->getGroup()) {
case kLPCSensorsFanManualSwitch:
for (int index = 0; index < tachometerSensorsLimit(); index++) {
if (isTachometerControlable(index) && !bit_get((UInt16)value, BIT(tachometerControls[index].number))) {
tachometerControlCancel(index);
tachometerControls[index].target = -1.0;
}
}
break;
case kLPCSensorsFanMinController:
if (isTachometerControlable(sensor->getIndex())) {
tachometerControls[sensor->getIndex()].minimum = value;
tachometerControlInit(sensor->getIndex(), value > tachometerControls[sensor->getIndex()].target ? value : tachometerControls[sensor->getIndex()].target);
}
break;
case kLPCSensorsFanTargetController:
if (isTachometerControlable(sensor->getIndex())) {
int manual = 0;
if (decodeIntValueForKey(KEY_FAN_MANUAL, &manual) && bit_get(manual, BIT(tachometerControls[sensor->getIndex()].number)) > 0 && value > tachometerControls[sensor->getIndex()].minimum) {
tachometerControlInit(sensor->getIndex(), value);
}
}
break;
default: return false;
}
return true;
}
return false;
}