linux-kernel - Re: [PATCH v2 1/2] dt-bindings: backlight: rt4831: Add the new ocp level property

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Date:   Wed, 8 Jun 2022 11:07:27 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     cy_huang <u0084500@...il.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lee.jones@...aro.org,
        daniel.thompson@...aro.org, jingoohan1@...il.com
Cc:     pavel@....cz, deller@....de, cy_huang@...htek.com,
        lucas_tsai@...htek.com, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: backlight: rt4831: Add the new ocp
 level property

On 08/06/2022 10:41, cy_huang wrote:
> From: ChiYuan Huang <cy_huang@...htek.com>
> 
> Add 'richtek,bled-ocp-microamp' property to make it chooseable.
> 
> The wrong backlight ocp level may affect the backlight channel output
> current smaller than configured.
> 
> Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
> ---
> Since v2:
> - Change the property name from 'richtek,bled-ocp-sel' to 'richtek,bled-ocp-microamp'.
> 
> ---
>  .../devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
> index e0ac686..0f4beeb 100644
> --- a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
> +++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
> @@ -47,6 +47,11 @@ properties:
>      minimum: 0
>      maximum: 3
>  
> +  richtek,bled-ocp-microamp:
> +    description: |
> +      Backlight over current protection level, unit in microamp.

Skip last part. Unit comes from property name.

> The current
> +      supported level is 0.9A/1.2A/1.5A/1.8A.

Define here enum instead of this text.

Best regards,
Krzysztof