and now, as Wzi predicted. The builtin keyboard works after disabling the touchscreen
xinput disable 15
[email protected]:~$ xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech Optical USB Mouse id=10 [slave pointer (2)]
⎜ ↳ LogoTech Mechanical Keyboard Consumer Control id=12 [slave pointer (2)]
⎜ ↳ MSFT0001:00 06CB:CE44 Mouse id=16 [slave pointer (2)]
⎜ ↳ MSFT0001:00 06CB:CE44 Touchpad id=17 [slave pointer (2)]
⎜ ↳ ELAN901C:00 04F3:2E8B id=15 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Sleep Button id=7 [slave keyboard (3)]
↳ Integrated Camera: Integrated C id=8 [slave keyboard (3)]
↳ Integrated Camera: Integrated I id=9 [slave keyboard (3)]
↳ LogoTech Mechanical Keyboard id=11 [slave keyboard (3)]
↳ LogoTech Mechanical Keyboard System Control id=13 [slave keyboard (3)]
↳ LogoTech Mechanical Keyboard id=14 [slave keyboard (3)]
↳ Ideapad extra buttons id=18 [slave keyboard (3)]
↳ Intel HID events id=19 [slave keyboard (3)]
↳ Intel HID 5 button array id=20 [slave keyboard (3)]
↳ LogoTech Mechanical Keyboard Consumer Control id=21 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=22 [slave keyboard (3)]