linux-kernel - Re: [PATCH v4 7/9] ARM: dts: nspire: Use MATRIX

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Date:   Wed, 2 Nov 2022 21:07:45 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Andrew Davis <afd@...com>
Cc:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Daniel Tang <dt.tangr@...il.com>,
        Fabian Vogt <fabian@...ter-vogt.de>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 7/9] ARM: dts: nspire: Use MATRIX_KEY macro for linux,keymap

Hi Andrew,

On Tue, Nov 1, 2022 at 2:59 PM Andrew Davis <afd@...com> wrote:
>
> This looks better and allows us to see the row and column numbers
> more easily. Switch to this macro here.
>
> Signed-off-by: Andrew Davis <afd@...com>
> ---
>  arch/arm/boot/dts/nspire-clp.dts | 90 ++++++++++++++++++++++++--------
>  arch/arm/boot/dts/nspire-cx.dts  | 90 ++++++++++++++++++++++++--------
>  arch/arm/boot/dts/nspire-tp.dts  | 90 ++++++++++++++++++++++++--------
>  3 files changed, 204 insertions(+), 66 deletions(-)
>
> diff --git a/arch/arm/boot/dts/nspire-clp.dts b/arch/arm/boot/dts/nspire-clp.dts
> index f52f38c615886..916ede0c2499c 100644
> --- a/arch/arm/boot/dts/nspire-clp.dts
> +++ b/arch/arm/boot/dts/nspire-clp.dts
> @@ -6,32 +6,78 @@
>   */
>  /dts-v1/;
>
> +#include <dt-bindings/input/input.h>
> +
>  /include/ "nspire-classic.dtsi"
>
>  &keypad {
>         linux,keymap = <
> -       0x0000001c      0x0001001c      0x00020039
> -       0x0004002c      0x00050034      0x00060015
> -       0x0007000b      0x0008002d      0x01000033
> -       0x0101004e      0x01020011      0x01030004
> -       0x0104002f      0x01050003      0x01060016
> -       0x01070002      0x01080014      0x02000062
> -       0x0201000c      0x0202001f      0x02030007
> -       0x02040013      0x02050006      0x02060010
> -       0x02070005      0x02080019      0x03000027
> -       0x03010037      0x03020018      0x0303000a
> -       0x03040031      0x03050009      0x03060032
> -       0x03070008      0x03080026      0x04000028
> -       0x04010035      0x04020025      0x04040024
> -       0x04060017      0x04080023      0x05000028
> -       0x05020022      0x0503001b      0x05040021
> -       0x0505001a      0x05060012      0x0507006f
> -       0x05080020      0x0509002a      0x0601001c
> -       0x0602002e      0x06030068      0x06040030
> -       0x0605006d      0x0606001e      0x06070001
> -       0x0608002b      0x0609000f      0x07000067
> -       0x0702006a      0x0704006c      0x07060069
> -       0x0707000e      0x0708001d      0x070a000d
> +               MATRIX_KEY(0,  0, 0x1c)
> +               MATRIX_KEY(0,  1, 0x1c)
> +               MATRIX_KEY(0,  2, 0x39)

Can this also be switched over to using KEY_* macros to describe the
keycodes emitted?

Thanks.

-- 
Dmitry