예제 #1
0
int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
    uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
    memset(sw_bitmask, 0, sizeof(sw_bitmask));
    if (ioctl(device->fd,
               EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
        return test_bit(sw, sw_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
    }
    return AKEY_STATE_UNKNOWN;
}
예제 #2
0
int32_t EventHub::getScanCodeStateLocked(device_t* device, int32_t scanCode) const {
    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
    memset(key_bitmask, 0, sizeof(key_bitmask));
    if (ioctl(device->fd,
               EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
        return test_bit(scanCode, key_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
    }
    return AKEY_STATE_UNKNOWN;
}
예제 #3
0
int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
    if (sw >= 0 && sw <= SW_MAX) {
        AutoMutex _l(mLock);

        Device* device = getDeviceLocked(deviceId);
        if (device && test_bit(sw, device->swBitmask)) {
            uint8_t swState[sizeof_bit_array(SW_MAX + 1)];
            memset(swState, 0, sizeof(swState));
            if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) {
                return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
            }
        }
    }
    return AKEY_STATE_UNKNOWN;
}
예제 #4
0
int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
    if (scanCode >= 0 && scanCode <= KEY_MAX) {
        AutoMutex _l(mLock);

        Device* device = getDeviceLocked(deviceId);
        if (device && test_bit(scanCode, device->keyBitmask)) {
            uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)];
            memset(keyState, 0, sizeof(keyState));
            if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) {
                return test_bit(scanCode, keyState) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
            }
        }
    }
    return AKEY_STATE_UNKNOWN;
}
예제 #5
0
int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
    AutoMutex _l(mLock);

    Device* device = getDeviceLocked(deviceId);
    if (device && device->keyMap.haveKeyLayout()) {
        Vector<int32_t> scanCodes;
        device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes);
        if (scanCodes.size() != 0) {
            uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)];
            memset(keyState, 0, sizeof(keyState));
            if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) {
                for (size_t i = 0; i < scanCodes.size(); i++) {
                    int32_t sc = scanCodes.itemAt(i);
                    if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) {
                        return AKEY_STATE_DOWN;
                    }
                }
                return AKEY_STATE_UP;
            }
        }
    }
    return AKEY_STATE_UNKNOWN;
}
예제 #6
0
int32_t EventHub::getKeyCodeStateLocked(device_t* device, int32_t keyCode) const {
    Vector<int32_t> scanCodes;
    device->layoutMap->findScancodes(keyCode, &scanCodes);

    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
    memset(key_bitmask, 0, sizeof(key_bitmask));
    if (ioctl(device->fd, EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
        #if 0
        for (size_t i=0; i<=KEY_MAX; i++) {
            LOGI("(Scan code %d: down=%d)", i, test_bit(i, key_bitmask));
        }
        #endif
        const size_t N = scanCodes.size();
        for (size_t i=0; i<N && i<=KEY_MAX; i++) {
            int32_t sc = scanCodes.itemAt(i);
            //LOGI("Code %d: down=%d", sc, test_bit(sc, key_bitmask));
            if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, key_bitmask)) {
                return AKEY_STATE_DOWN;
            }
        }
        return AKEY_STATE_UP;
    }
    return AKEY_STATE_UNKNOWN;
}
예제 #7
0
status_t EventHub::openDeviceLocked(const char *devicePath) {
    char buffer[80];

    ALOGV("Opening device: %s", devicePath);

    int fd = open(devicePath, O_RDWR);
    if(fd < 0) {
        LOGE("could not open %s, %s\n", devicePath, strerror(errno));
        return -1;
    }

    InputDeviceIdentifier identifier;

    // Get device name.
    if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) {
        //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno));
    } else {
        buffer[sizeof(buffer) - 1] = '\0';
        identifier.name.setTo(buffer);
    }

    // Check to see if the device is on our excluded list
    for (size_t i = 0; i < mExcludedDevices.size(); i++) {
        const String8& item = mExcludedDevices.itemAt(i);
        if (identifier.name == item) {
            LOGI("ignoring event id %s driver %s\n", devicePath, item.string());
            close(fd);
            return -1;
        }
    }

    // Get device driver version.
    int driverVersion;
    if(ioctl(fd, EVIOCGVERSION, &driverVersion)) {
        LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno));
        close(fd);
        return -1;
    }

    // Get device identifier.
    struct input_id inputId;
    if(ioctl(fd, EVIOCGID, &inputId)) {
        LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno));
        close(fd);
        return -1;
    }
    identifier.bus = inputId.bustype;
    identifier.product = inputId.product;
    identifier.vendor = inputId.vendor;
    identifier.version = inputId.version;

    // Get device physical location.
    if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) {
        //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno));
    } else {
        buffer[sizeof(buffer) - 1] = '\0';
        identifier.location.setTo(buffer);
    }

    // Get device unique id.
    if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) {
        //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno));
    } else {
        buffer[sizeof(buffer) - 1] = '\0';
        identifier.uniqueId.setTo(buffer);
    }

    // Make file descriptor non-blocking for use with poll().
    if (fcntl(fd, F_SETFL, O_NONBLOCK)) {
        LOGE("Error %d making device file descriptor non-blocking.", errno);
        close(fd);
        return -1;
    }

    // Allocate device.  (The device object takes ownership of the fd at this point.)
    int32_t deviceId = mNextDeviceId++;
    Device* device = new Device(fd, deviceId, String8(devicePath), identifier);

#if 0
    LOGI("add device %d: %s\n", deviceId, devicePath);
    LOGI("  bus:       %04x\n"
         "  vendor     %04x\n"
         "  product    %04x\n"
         "  version    %04x\n",
        identifier.bus, identifier.vendor, identifier.product, identifier.version);
    LOGI("  name:      \"%s\"\n", identifier.name.string());
    LOGI("  location:  \"%s\"\n", identifier.location.string());
    LOGI("  unique id: \"%s\"\n", identifier.uniqueId.string());
    LOGI("  driver:    v%d.%d.%d\n",
        driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff);
#endif

    // Load the configuration file for the device.
    loadConfigurationLocked(device);

    // Figure out the kinds of events the device reports.
    ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(device->keyBitmask)), device->keyBitmask);
    ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(device->absBitmask)), device->absBitmask);
    ioctl(fd, EVIOCGBIT(EV_REL, sizeof(device->relBitmask)), device->relBitmask);
    ioctl(fd, EVIOCGBIT(EV_SW, sizeof(device->swBitmask)), device->swBitmask);
    ioctl(fd, EVIOCGBIT(EV_LED, sizeof(device->ledBitmask)), device->ledBitmask);
    ioctl(fd, EVIOCGPROP(sizeof(device->propBitmask)), device->propBitmask);

    // See if this is a keyboard.  Ignore everything in the button range except for
    // joystick and gamepad buttons which are handled like keyboards for the most part.
    bool haveKeyboardKeys = containsNonZeroByte(device->keyBitmask, 0, sizeof_bit_array(BTN_MISC))
            || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(KEY_OK),
                    sizeof_bit_array(KEY_MAX + 1));
    bool haveGamepadButtons = containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_MISC),
                    sizeof_bit_array(BTN_MOUSE))
            || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_JOYSTICK),
                    sizeof_bit_array(BTN_DIGI));
    if (haveKeyboardKeys || haveGamepadButtons) {
        device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
    }

    // See if this is a cursor device such as a trackball or mouse.
    if (test_bit(BTN_MOUSE, device->keyBitmask)
            && test_bit(REL_X, device->relBitmask)
            && test_bit(REL_Y, device->relBitmask)) {
        device->classes |= INPUT_DEVICE_CLASS_CURSOR;
    }

    // See if this is a touch pad.
    // Is this a new modern multi-touch driver?
    if (test_bit(ABS_MT_POSITION_X, device->absBitmask)
            && test_bit(ABS_MT_POSITION_Y, device->absBitmask)) {
        // Some joysticks such as the PS3 controller report axes that conflict
        // with the ABS_MT range.  Try to confirm that the device really is
        // a touch screen.
        if (test_bit(BTN_TOUCH, device->keyBitmask) || !haveGamepadButtons) {
            device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT;
        }
    // Is this an old style single-touch driver?
    } else if (test_bit(BTN_TOUCH, device->keyBitmask)
            && test_bit(ABS_X, device->absBitmask)
            && test_bit(ABS_Y, device->absBitmask)) {
        device->classes |= INPUT_DEVICE_CLASS_TOUCH;
    }

    // See if this device is a joystick.
    // Assumes that joysticks always have gamepad buttons in order to distinguish them
    // from other devices such as accelerometers that also have absolute axes.
    if (haveGamepadButtons) {
        uint32_t assumedClasses = device->classes | INPUT_DEVICE_CLASS_JOYSTICK;
        for (int i = 0; i <= ABS_MAX; i++) {
            if (test_bit(i, device->absBitmask)
                    && (getAbsAxisUsage(i, assumedClasses) & INPUT_DEVICE_CLASS_JOYSTICK)) {
                device->classes = assumedClasses;
                break;
            }
        }
    }

    // Check whether this device has switches.
    for (int i = 0; i <= SW_MAX; i++) {
        if (test_bit(i, device->swBitmask)) {
            device->classes |= INPUT_DEVICE_CLASS_SWITCH;
            break;
        }
    }

    // Configure virtual keys.
    if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) {
        // Load the virtual keys for the touch screen, if any.
        // We do this now so that we can make sure to load the keymap if necessary.
        status_t status = loadVirtualKeyMapLocked(device);
        if (!status) {
            device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
        }
    }

    // Load the key map.
    // We need to do this for joysticks too because the key layout may specify axes.
    status_t keyMapStatus = NAME_NOT_FOUND;
    if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) {
        // Load the keymap for the device.
        keyMapStatus = loadKeyMapLocked(device);
    }

    // Configure the keyboard, gamepad or virtual keyboard.
    if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) {
        // Register the keyboard as a built-in keyboard if it is eligible.
        if (!keyMapStatus
                && mBuiltInKeyboardId == -1
                && isEligibleBuiltInKeyboard(device->identifier,
                        device->configuration, &device->keyMap)) {
            mBuiltInKeyboardId = device->id;
        }

        // 'Q' key support = cheap test of whether this is an alpha-capable kbd
        if (hasKeycodeLocked(device, AKEYCODE_Q)) {
            device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
        }

        // See if this device has a DPAD.
        if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) {
            device->classes |= INPUT_DEVICE_CLASS_DPAD;
        }

        // See if this device has a gamepad.
        for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) {
            if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) {
                device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
                break;
            }
        }
    }

    // If the device isn't recognized as something we handle, don't monitor it.
    if (device->classes == 0) {
        ALOGV("Dropping device: id=%d, path='%s', name='%s'",
                deviceId, devicePath, device->identifier.name.string());
        delete device;
        return -1;
    }

    // Determine whether the device is external or internal.
    if (isExternalDeviceLocked(device)) {
        device->classes |= INPUT_DEVICE_CLASS_EXTERNAL;
    }

    // Register with epoll.
    struct epoll_event eventItem;
    memset(&eventItem, 0, sizeof(eventItem));
    eventItem.events = EPOLLIN;
    eventItem.data.u32 = deviceId;
    if (epoll_ctl(mEpollFd, EPOLL_CTL_ADD, fd, &eventItem)) {
        LOGE("Could not add device fd to epoll instance.  errno=%d", errno);
        delete device;
        return -1;
    }

    LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, "
            "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s",
         deviceId, fd, devicePath, device->identifier.name.string(),
         device->classes,
         device->configurationFile.string(),
         device->keyMap.keyLayoutFile.string(),
         device->keyMap.keyCharacterMapFile.string(),
         toString(mBuiltInKeyboardId == deviceId));

    mDevices.add(deviceId, device);

    device->next = mOpeningDevices;
    mOpeningDevices = device;
    return 0;
}
예제 #8
0
int EventHub::openDevice(const char *deviceName) {
    int version;
    int fd;
    struct pollfd *new_mFDs;
    device_t **new_devices;
    char **new_device_names;
    char name[80];
    char location[80];
    char idstr[80];
    struct input_id id;

    LOGV("Opening device: %s", deviceName);

    AutoMutex _l(mLock);

    fd = open(deviceName, O_RDWR);
    if(fd < 0) {
        LOGE("could not open %s, %s\n", deviceName, strerror(errno));
        return -1;
    }

    if(ioctl(fd, EVIOCGVERSION, &version)) {
        LOGE("could not get driver version for %s, %s\n", deviceName, strerror(errno));
        return -1;
    }
    if(ioctl(fd, EVIOCGID, &id)) {
        LOGE("could not get driver id for %s, %s\n", deviceName, strerror(errno));
        return -1;
    }
    name[sizeof(name) - 1] = '\0';
    location[sizeof(location) - 1] = '\0';
    idstr[sizeof(idstr) - 1] = '\0';
    if(ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
        //fprintf(stderr, "could not get device name for %s, %s\n", deviceName, strerror(errno));
        name[0] = '\0';
    }

    // check to see if the device is on our excluded list
    List<String8>::iterator iter = mExcludedDevices.begin();
    List<String8>::iterator end = mExcludedDevices.end();
    for ( ; iter != end; iter++) {
        const char* test = *iter;
        if (strcmp(name, test) == 0) {
            LOGI("ignoring event id %s driver %s\n", deviceName, test);
            close(fd);
            return -1;
        }
    }

    if(ioctl(fd, EVIOCGPHYS(sizeof(location) - 1), &location) < 1) {
        //fprintf(stderr, "could not get location for %s, %s\n", deviceName, strerror(errno));
        location[0] = '\0';
    }
    if(ioctl(fd, EVIOCGUNIQ(sizeof(idstr) - 1), &idstr) < 1) {
        //fprintf(stderr, "could not get idstring for %s, %s\n", deviceName, strerror(errno));
        idstr[0] = '\0';
    }

    if (fcntl(fd, F_SETFL, O_NONBLOCK)) {
        LOGE("Error %d making device file descriptor non-blocking.", errno);
        close(fd);
        return -1;
    }

    int devid = 0;
    while (devid < mNumDevicesById) {
        if (mDevicesById[devid].device == NULL) {
            break;
        }
        devid++;
    }
    if (devid >= mNumDevicesById) {
        device_ent* new_devids = (device_ent*)realloc(mDevicesById,
                sizeof(mDevicesById[0]) * (devid + 1));
        if (new_devids == NULL) {
            LOGE("out of memory");
            return -1;
        }
        mDevicesById = new_devids;
        mNumDevicesById = devid+1;
        mDevicesById[devid].device = NULL;
        mDevicesById[devid].seq = 0;
    }

    mDevicesById[devid].seq = (mDevicesById[devid].seq+(1<<SEQ_SHIFT))&SEQ_MASK;
    if (mDevicesById[devid].seq == 0) {
        mDevicesById[devid].seq = 1<<SEQ_SHIFT;
    }

    new_mFDs = (pollfd*)realloc(mFDs, sizeof(mFDs[0]) * (mFDCount + 1));
    new_devices = (device_t**)realloc(mDevices, sizeof(mDevices[0]) * (mFDCount + 1));
    if (new_mFDs == NULL || new_devices == NULL) {
        LOGE("out of memory");
        return -1;
    }
    mFDs = new_mFDs;
    mDevices = new_devices;

#if 0
    LOGI("add device %d: %s\n", mFDCount, deviceName);
    LOGI("  bus:      %04x\n"
         "  vendor    %04x\n"
         "  product   %04x\n"
         "  version   %04x\n",
        id.bustype, id.vendor, id.product, id.version);
    LOGI("  name:     \"%s\"\n", name);
    LOGI("  location: \"%s\"\n"
         "  id:       \"%s\"\n", location, idstr);
    LOGI("  version:  %d.%d.%d\n",
        version >> 16, (version >> 8) & 0xff, version & 0xff);
#endif

    device_t* device = new device_t(devid|mDevicesById[devid].seq, deviceName, name);
    if (device == NULL) {
        LOGE("out of memory");
        return -1;
    }

    device->fd = fd;
    mFDs[mFDCount].fd = fd;
    mFDs[mFDCount].events = POLLIN;
    mFDs[mFDCount].revents = 0;

    // Figure out the kinds of events the device reports.
    
    uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
    memset(key_bitmask, 0, sizeof(key_bitmask));

    LOGV("Getting keys...");
    if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) >= 0) {
        //LOGI("MAP\n");
        //for (int i = 0; i < sizeof(key_bitmask); i++) {
        //    LOGI("%d: 0x%02x\n", i, key_bitmask[i]);
        //}

        // See if this is a keyboard.  Ignore everything in the button range except for
        // gamepads which are also considered keyboards.
        if (containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC))
                || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_GAMEPAD),
                        sizeof_bit_array(BTN_DIGI))
                || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK),
                        sizeof_bit_array(KEY_MAX + 1))) {
            device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;

            device->keyBitmask = new uint8_t[sizeof(key_bitmask)];
            if (device->keyBitmask != NULL) {
                memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
            } else {
                delete device;
                LOGE("out of memory allocating key bitmask");
                return -1;
            }
        }
    }
    
    // See if this is a trackball (or mouse).
    if (test_bit(BTN_MOUSE, key_bitmask)) {
        uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)];
        memset(rel_bitmask, 0, sizeof(rel_bitmask));
        LOGV("Getting relative controllers...");
        if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0) {
            if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) {
                device->classes |= INPUT_DEVICE_CLASS_TRACKBALL;
            }
        }
    }

    // See if this is a touch pad.
    uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)];
    memset(abs_bitmask, 0, sizeof(abs_bitmask));
    LOGV("Getting absolute controllers...");
    if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) {
        // Is this a new modern multi-touch driver?
        if (test_bit(ABS_MT_POSITION_X, abs_bitmask)
                && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
            device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;

        // Is this an old style single-touch driver?
        } else if (test_bit(BTN_TOUCH, key_bitmask)
                && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
            device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
#ifdef HAVE_TSLIB
                mTS->fd = fd;

                //Configure here
                LOGV("Device name = %s, fd = %d", deviceName,fd);
                LOGV("tslib: calling ts_config from eventhub\n");
                if(ts_config(mTS)) {
                    LOGE("Error in Configuring tslib. Device Name = %s \n", deviceName);
                }
#endif
	    
        }
    }

#ifdef FAKE_TOUCHSCREEN
device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
#endif

#ifdef EV_SW
    // figure out the switches this device reports
    uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
    memset(sw_bitmask, 0, sizeof(sw_bitmask));
    bool hasSwitches = false;
    if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) {
        for (int i=0; i<EV_SW; i++) {
            //LOGI("Device 0x%x sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask));
            if (test_bit(i, sw_bitmask)) {
                hasSwitches = true;
                if (mSwitches[i] == 0) {
                    mSwitches[i] = device->id;
                }
            }
        }
    }
    if (hasSwitches) {
        device->classes |= INPUT_DEVICE_CLASS_SWITCH;
    }
#endif

    if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
        char tmpfn[sizeof(name)];
        char keylayoutFilename[300];

        // a more descriptive name
        device->name = name;

        // replace all the spaces with underscores
        strcpy(tmpfn, name);
        for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' '))
            *p = '_';

        // find the .kl file we need for this device
        const char* root = getenv("ANDROID_ROOT");
        snprintf(keylayoutFilename, sizeof(keylayoutFilename),
                 "%s/usr/keylayout/%s.kl", root, tmpfn);
        bool defaultKeymap = false;
        if (access(keylayoutFilename, R_OK)) {
            snprintf(keylayoutFilename, sizeof(keylayoutFilename),
                     "%s/usr/keylayout/%s", root, "qwerty.kl");
            defaultKeymap = true;
        }
        status_t status = device->layoutMap->load(keylayoutFilename);
        if (status) {
            LOGE("Error %d loading key layout.", status);
        }

        // tell the world about the devname (the descriptive name)
        if (!mHaveFirstKeyboard && !defaultKeymap && strstr(name, "-keypad")) {
            // the built-in keyboard has a well-known device ID of 0,
            // this device better not go away.
            mHaveFirstKeyboard = true;
            mFirstKeyboardId = device->id;
            property_set("hw.keyboards.0.devname", name);
        } else {
            // ensure mFirstKeyboardId is set to -something-.
            if (mFirstKeyboardId == 0) {
                mFirstKeyboardId = device->id;
            }
        }
        char propName[100];
        sprintf(propName, "hw.keyboards.%u.devname", device->id);
        property_set(propName, name);

        // 'Q' key support = cheap test of whether this is an alpha-capable kbd
        if (hasKeycodeLocked(device, AKEYCODE_Q)) {
            device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
        }
        
        // See if this device has a DPAD.
        if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) &&
                hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) {
            device->classes |= INPUT_DEVICE_CLASS_DPAD;
        }
        
        // See if this device has a gamepad.
        for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) {
            if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) {
                device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
                break;
            }
        }

        LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
                device->id, name, propName, keylayoutFilename);
    }

    // If the device isn't recognized as something we handle, don't monitor it.
    if (device->classes == 0) {
        LOGV("Dropping device %s %p, id = %d\n", deviceName, device, devid);
        close(fd);
        delete device;
        return -1;
    }

    LOGI("New device: path=%s name=%s id=0x%x (of 0x%x) index=%d fd=%d classes=0x%x\n",
         deviceName, name, device->id, mNumDevicesById, mFDCount, fd, device->classes);
         
    LOGV("Adding device %s %p at %d, id = %d, classes = 0x%x\n",
         deviceName, device, mFDCount, devid, device->classes);

    mDevicesById[devid].device = device;
    device->next = mOpeningDevices;
    mOpeningDevices = device;
    mDevices[mFDCount] = device;

    mFDCount++;
    return 0;
}