Merge "Fix HTC headset handling." into cm-10.1

                        FileReader file = new FileReader(uei.getSwitchStatePath());

                        int len = file.read(buffer, 0, 1024);

                        file.close();

                        curState = Integer.valueOf((new String(buffer, 0, len)).trim());

                        curState = validateSwitchState(

                                Integer.valueOf((new String(buffer, 0, len)).trim()));

                        if (curState > 0) {

                            updateStateLocked(uei.getDevPath(), uei.getDevName(), curState);

            }

        }

        private int validateSwitchState(int state) {

            // Some drivers, namely HTC headset ones, add additional bits to

            // the switch state. As we only are able to deal with the states

            // 0, 1 and 2, mask out all the other bits

            return state & 0x3;

        }

        private List<UEventInfo> makeObservedUEventList() {

            List<UEventInfo> retVal = new ArrayList<UEventInfo>();

            UEventInfo uei;

        public void onUEvent(UEventObserver.UEvent event) {

            if (LOG) Slog.v(TAG, "Headset UEVENT: " + event.toString());

            int state = Integer.parseInt(event.get("SWITCH_STATE"));

            int state = validateSwitchState(Integer.parseInt(event.get("SWITCH_STATE")));

            try {

                String devPath = event.get("DEVPATH");

                String name = event.get("SWITCH_NAME");