Re: Keyboard on Thinkpad E14 Gen6

[Vitaly Shevtsov <shev.vt1984%gmail.com@localhost>]

Got it. Martin, you mean the issue is in ACPI or EC firmware and it's
not needed to extend the driver, don't you?

On Mon, Jan 5, 2026 at 4:24 PM Martin Husemann <martin%duskware.de@localhost> wrote:
>
> So you have a iic0 (dwiic) that is not properly working and the ihidev
> connected via that will not work (probably the touchpad).
>
> But the keyboard is plain old PS/2:
>
> [     1.002535] pckbc1 at acpi0 (KBD, LEN0071) (kbd port): io 0x60,0x64 irq 1
> [     1.002535] pckbc2 at acpi0 (MOU, LEN0325) (aux port): irq 12
> [     1.002535] pckbd0 at pckbc1 (kbd slot)
> [     1.002535] pckbc1: using irq 1 for kbd slot
> [     1.002535] wskbd0 at pckbd0: console keyboard
> [     1.002535] pms0 at pckbc1 (aux slot)
> [     1.002535] pckbc1: using irq 12 for aux slot
> [     1.002535] wsmouse0 at pms0 mux 0
>
> and the pms0 should not be there, I wonder if the firmware has some method
> to switch between the native iic/ihidev mode and the pms emulation, and we
> should not try to attach both.
>
> My guess is that this needs some ACPI quirks.
>
> Martin