Touchpad stops working after resuming from sleep in battery mode

touchpad stops working after resuming from sleep in battery mode. in AC mode it works fine after resuming from sleep.
im using tlp as power management tool.

xinput output( i have a lenovo thinkbook g2 ltm):

⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ MSFT0001:01 04F3:31BE Touchpad            id=10   [slave  pointer  (2)]
⎜   ↳ MSFT0001:01 04F3:31BE Mouse               id=11   [slave  pointer  (2)]