linux-kernel - Re: [PATCH v2 0/7] Input: mt6779-keypad

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Date:   Wed, 10 Aug 2022 15:53:55 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Mattijs Korpershoek <mkorpershoek@...libre.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Fabien Parent <fparent@...libre.com>,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        Fabien Parent <parent.f@...il.com>
Subject: Re: [PATCH v2 0/7] Input: mt6779-keypad - double keys support

On Tue, Jul 26, 2022 at 02:56:05PM +0200, Mattijs Korpershoek wrote:
> The MediaTek keypad controller has multiple operating modes:
> * single key detection (currently implemented)
> * double key detection
> 
> With double key detection, each (row,column) is a group that can detect
> two keys in the key matrix.
> This minimizes the overall pin counts for cost reduction.
> However, pressing multiple keys in the same group will not be
> detected properly.
> 
> On some boards, like mt8183-pumpkin, double key detection is used.
> 
> Signed-off-by: Mattijs Korpershoek <mkorpershoek@...libre.com>

Applied patches 1 through 5 (leaving dts patches out), thank you.

> 
> ---
> Changes in v2:
> - bindings: add matrix-keymap justification in commit message (Krzysztof)
> - bindings: switch from double-keys(boolean) to keys-per-group(uint32) (Krzysztof)
> - driver: add a function pointer for row/column calculation (Angelo)
> - Link to v1: https://lore.kernel.org/r/20220720-mt8183-keypad-v1-0-ef9fc29dbff4@baylibre.com
> 
> ---
> Fabien Parent (2):
>       arm64: dts: mediatek: mt8183: add keyboard node
>       arm64: dts: mediatek: mt8183-pumpkin: add keypad support
> 
> Mattijs Korpershoek (5):
>       MAINTAINERS: input: add mattijs for mt6779-keypad
>       dt-bindings: mediatek,mt6779-keypad: use unevaluatedProperties
>       dt-bindings: mediatek,mt6779-keypad: add mediatek,keys-per-group
>       Input: mt6779-keypad - prepare double keys support with calc_row_col
>       Input: mt6779-keypad - support double keys matrix
> 
>  .../bindings/input/mediatek,mt6779-keypad.yaml     |  8 ++++-
>  MAINTAINERS                                        |  6 ++++
>  arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts    | 21 +++++++++++
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi           |  9 +++++
>  drivers/input/keyboard/mt6779-keypad.c             | 41 ++++++++++++++++++++--
>  5 files changed, 82 insertions(+), 3 deletions(-)
> ---
> base-commit: 668af1b6548837b44a2bfe65dcbae6b250adbf63
> change-id: 20220720-mt8183-keypad-20aa77106ff0
> 
> Best regards,
> -- 
> Mattijs Korpershoek <mkorpershoek@...libre.com>

-- 
Dmitry