Re: [PATCH 12/18] arm64: dts: renesas: beacon: Better describe keys

From: Geert Uytterhoeven
Date: Thu Dec 17 2020 - 06:32:41 EST


Hi Adam,

On Sun, Dec 13, 2020 at 7:38 PM Adam Ford <aford173@xxxxxxxxx> wrote:
> The keys on the baseboard are laid out in an diamond pattern, up, down,
> left, right and center. Update the descriptions to make it easier to
> read.
>
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
> +++ b/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
> @@ -40,38 +40,38 @@ hdmi0_con: endpoint {
> keys {
> compatible = "gpio-keys";
>
> - key-1 {
> + key-1 { /* S19 */
> gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
> linux,code = <KEY_1>;
> - label = "Switch-1";
> + label = "Up";
> wakeup-source;
> debounce-interval = <20>;
> };
> - key-2 {
> + key-2 { /*S20 */
> gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
> linux,code = <KEY_2>;
> - label = "Switch-2";
> + label = "Left";
> wakeup-source;
> debounce-interval = <20>;
> };
> - key-3 {
> + key-3 { /* S21 */
> gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
> linux,code = <KEY_3>;
> - label = "Switch-3";
> + label = "Down";
> wakeup-source;
> debounce-interval = <20>;
> };
> - key-4 {
> + key-4 { /* S22 */
> gpios = <&gpio5 20 GPIO_ACTIVE_LOW>;
> linux,code = <KEY_4>;
> - label = "Switch-4";
> + label = "Right";
> wakeup-source;
> debounce-interval = <20>;
> };
> - key-5 {
> + key-5 { /* S23 */
> gpios = <&gpio5 22 GPIO_ACTIVE_LOW>;
> linux,code = <KEY_5>;
> - label = "Switch-4";
> + label = "Center";
> wakeup-source;
> debounce-interval = <20>;
> };

Wouldn't it make sense for the linux,code properties to reflect this, and thus
change them to KEY_{UP,LEFT,DOWN,RIGHT,ENTER} (or SELECT, or OK)?

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds