linux-kernel - Re: [PATCH 1/6] dt-bindings: leds: choose correct color value of multi-led

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Date:   Tue, 13 Oct 2020 11:17:17 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Zhen Lei <thunder.leizhen@...wei.com>,
        Rob Herring <robh+dt@...nel.org>, Pavel Machek <pavel@....cz>,
        linux-leds <linux-leds@...r.kernel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Mark Brown <broonie@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        Lubomir Rintel <lkundrak@...sk>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/6] dt-bindings: leds: choose correct color value of
 multi-led

Zhen

On 10/13/20 11:08 AM, Zhen Lei wrote:
> The color value of multi-led is fixed to "const: 8 #LED_COLOR_ID_MULTI",
> which is required by leds-class-multicolor.yaml.
>
> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
> ---
>   Documentation/devicetree/bindings/leds/leds-lp55xx.yaml | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml b/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
> index 58e974793a7976b..cd877e817ad1a1c 100644
> --- a/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
> +++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
> @@ -197,7 +197,7 @@ examples:
>                  #address-cells = <1>;
>                  #size-cells = <0>;
>                  reg = <0x2>;
> -               color = <LED_COLOR_ID_RGB>;
> +               color = <LED_COLOR_ID_MULTI>;
>                  function = LED_FUNCTION_STANDBY;
>                  linux,default-trigger = "heartbeat";
>   

This is not correct.  ID_RGB is the correct variable here.

https://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git/commit/?h=for-next&id=3d93edc77515c6f51fa9bbbe2185e2ec32bad024

Correct fix is to update the leds-class-multicolor.yaml

Dan