linux-kernel - Re: [PATCH] dt-bindings: leds: Update devicetree documents for ID

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Message-ID: <afc6328e-1f34-8288-b0d2-20328eabf967@huawei.com>
Date:   Wed, 14 Oct 2020 15:58:54 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Dan Murphy <dmurphy@...com>, <pavel@....cz>, <robh+dt@...nel.org>
CC:     <linux-leds@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: leds: Update devicetree documents for ID_RGB



On 2020/10/14 1:50, Dan Murphy wrote:
> Update the leds/common.yaml to indicate that the max color ID is 9.
> Reflect the same change in the leds-class-multicolor.yaml
> 
> Reported-by: Zhen Lei <thunder.leizhen@...wei.com>
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
>  Documentation/devicetree/bindings/leds/common.yaml       | 2 +-
>  .../devicetree/bindings/leds/leds-class-multicolor.yaml  | 9 +++++----
>  2 files changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
> index a2a541bca73c..0c9f912dfee6 100644
> --- a/Documentation/devicetree/bindings/leds/common.yaml
> +++ b/Documentation/devicetree/bindings/leds/common.yaml
> @@ -43,7 +43,7 @@ properties:
>        LED_COLOR_ID available, add a new one.
>      $ref: /schemas/types.yaml#definitions/uint32
>      minimum: 0
> -    maximum: 8
> +    maximum: 9
>  
>    function-enumerator:
>      description:
> diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> index b55e1f1308a4..f8032e863ecb 100644
> --- a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> @@ -16,7 +16,7 @@ description: |
>    modules. This is achieved by adding multi-led nodes layer to the
>    monochrome LED bindings.
>    The nodes and properties defined in this document are unique to the multicolor
> -  LED class.  Common LED nodes and properties are inherited from the common.txt
> +  LED class.  Common LED nodes and properties are inherited from the common.yaml
>    within this documentation directory.
>  
>  patternProperties:
> @@ -25,10 +25,11 @@ patternProperties:
>      description: Represents the LEDs that are to be grouped.
>      properties:
>        color:
> -        const: 8  # LED_COLOR_ID_MULTI
> +        const: 9  # LED_COLOR_ID_RGB
This means only LED_COLOR_ID_RGB is allowed.

>          description: |
> -          For multicolor LED support this property should be defined as
> -          LED_COLOR_ID_MULTI which can be found in include/linux/leds/common.h.
> +          For multicolor LED support this property should be defined as either
> +          LED_COLOR_ID_RGB or LED_COLOR_ID_MULTI which can be found in

If both LED_COLOR_ID_RGB and LED_COLOR_ID_MULTI are allowed, then we should use enum
list both of them.

> +          include/linux/leds/common.h.
>  
>      $ref: "common.yaml#"
>  
>