It might be better to add hid_parse() before wacom_parse_and_register() to ask for the report descriptor. Fixes: 3c785a0 ("HID: ite: Replace ABS_MISC 120/121 events with touchpad on/off keypresses") Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx> --- drivers/hid/hid-ite.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/hid/hid-ite.c b/drivers/hid/hid-ite.c index 14fc068..3c56f75 100644 --- a/drivers/hid/hid-ite.c +++ b/drivers/hid/hid-ite.c @@ -100,6 +100,10 @@ static int ite_probe(struct hid_device *hdev, const struct hid_device_id *id) if (ret) return ret; + ret = hid_parse(hdev); + if (ret) + return ret; + return hid_hw_start(hdev, HID_CONNECT_DEFAULT); } -- 2.7.4