Re: [PATCH 5/6] dt-bindings: input: zinitix: Document touch-keys support

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Hi Nikita,

On Mittwoch, 27. Oktober 2021 20:13:49 CEST Nikita Travkin wrote:
> In some configrations the touch controller can support the touch-keys.
> Doucument the linux,keycodes property that enables those keys and
> specifies the keycodes that should be used to report the key events.
> 
> Signed-off-by: Nikita Travkin <nikita@xxxxxxx>
> ---
>  .../bindings/input/touchscreen/zinitix,bt400.yaml         | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git
> a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
> b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
> index b4e5ba7c0b49..40b243c07fd4 100644
> --- a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
> +++
> b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml @@
> -79,6 +79,14 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      enum: [1, 2]
> 
> +  linux,keycodes:
> +    description: |
> +      This property specifies an array of keycodes assigned to the
> +      touch-keys that can be present in some touchscreen configurations.
> +    $ref: /schemas/input/input.yaml#/properties/linux,keycodes
> +    minItems: 1

I think this would suggest all devices using the driver must have at least 
keycode declared which doesn't seem to be the desired behavior?

Regards,
Luca

> +    maxItems: 8
> +
>    touchscreen-size-x: true
>    touchscreen-size-y: true
>    touchscreen-fuzz-x: true







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