Not the same devices, but all lenovo…
- built in PS/2 keyboard not working (Page 2) / Kernel & Hardware / Arch Linux Forums
- Lenovo Yoga 14s 2021 - ArchWiki Keyboard
- GitHub - yescallop/atkbd-nogetid: Fixes failed keyboard initialization on some Lenovo Yoga / XiaoXinPro / IdeaPad (14", Intel) laptops. Attention ! Since DKMS is broken with last stable update you have to wait for the DKMS fix before trying this one.