bool UsbUiSettingModel::isPersonalityHidden(RUsb &usbman, TInt personalityId)
{
    myDebug() << ">>> UsbUiSettingModel::isPersonalityHidden from USB Manager";
    bool hidden = false;
    TUint32 property = 0;
    TInt ret = usbman.GetPersonalityProperty(personalityId, property);
    if (ret == KErrNone) {
        myDebug() << "property " << property;
        if (property & KUsbPersonalityPropertyHidden) {
            hidden = true;
        }
    } 
    myDebug() << "<<< UsbUiSettingModel::isPersonalityHidden " << hidden;
    return hidden;
}