Re: [PATCH v2 1/2] dt-bindings: input: add OnePlus pogo-pin keyboard
From: Krzysztof Kozlowski
Date: Thu Oct 15 2026 - 04:58:09 EST
On Wed, Oct 14, 2026 at 08:47:54AM -0500, wyibo6109@xxxxxxxxx wrote:
> From: Yibo Wang <wyibo6109@xxxxxxxxx>
>
> Hi Krzysztof,
>
> On 12/10/2026 01:24, Krzysztof Kozlowski wrote:
> > How is that possible? Same OnePlus Pad 3 Pro has different matrices?
>
> No, and sorry for the wording - within one tablet project the keyboard
> is fixed. What I meant is that the matrices differ *between* the
> tablet projects that ship this MCU, not within one: the vendor trees
> carry per-project geometry (caihong, the sm8650 era project: 2764x1630;
> erhai, the sm8750 era project: 2764x1630; iceland, the sm8850 era
> project the tested OnePlus Pad 4 belongs to: 2560x1440), while the MCU
> protocol has no command to query them.
>
> Which also means your question from v1 is answered the other way
> around: the geometry *is* deducible from the compatible once the
> compatible names the project. v3 therefore drops the DT geometry
> entirely:
I don't think we are describing here the MCU, but the keyboard, thus
it''s physical geometry is fixed.
Best regards,
Krzysztof