Method start

VoodooInput/VoodooInput.cpp:21–91

OSDefineMetaClassAndStructors(VoodooInput, IOService);

bool VoodooInput::start(IOService *provider) {
    if (!super::start(provider)) {
        IOLog("Kishor VoodooInput could not super::start!\n");
        return false;
    }
    
    parentProvider = provider;

    if (!updateProperties()) {
        IOLog("VoodooInput could not get provider properties!\n");
        return false;
    }

    // Allocate the simulator and actuator devices
    simulator = OSTypeAlloc(VoodooInputSimulatorDevice);
    actuator = OSTypeAlloc(VoodooInputActuatorDevice);
    trackpoint = OSTypeAlloc(TrackpointDevice);
    
    if (!simulator || !actuator || !trackpoint) {
        IOLog("VoodooInput could not alloc simulator, actuator or trackpoint!\n");
        OSSafeReleaseNULL(simulator);
        OSSafeReleaseNULL(actuator);
        OSSafeReleaseNULL(trackpoint);
        return false;
    }
    
    // Initialize simulator device
    if (!simulator->init(NULL) || !simulator->attach(this)) {
        IOLog("VoodooInput could not attach simulator!\n");
        goto exit;
    }
    else if (!simulator->start(this)) {
        IOLog("VoodooInput could not start simulator!\n");
        simulator->detach(this);
        goto exit;
    }
    
    // Initialize actuator device
    if (!actuator->init(NULL) || !actuator->attach(this)) {
        IOLog("VoodooInput could not init or attach actuator!\n");
        goto exit;
    }
    else if (!actuator->start(this)) {
        IOLog("VoodooInput could not start actuator!\n");
        actuator->detach(this);
        goto exit;
    }
    
    // Initialize trackpoint device
    if (!trackpoint->init(NULL) || !trackpoint->attach(this)) {
        IOLog("VoodooInput could not init or attach trackpoint!\n");
        goto exit;
    }
    else if (!trackpoint->start(this)) {
        IOLog("VoodooInput could not start trackpoint!\n");
        trackpoint->detach(this);
        goto exit;
    }