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Message-ID: <168857252930.694223.17559633375471869114.robh@kernel.org>
Date:   Wed, 5 Jul 2023 09:55:29 -0600
From:   Rob Herring <robh@...nel.org>
To:     Astrid Rost <astrid.rost@...s.com>
Cc:     Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-leds@...r.kernel.org,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, kernel@...s.com
Subject: Re: [PATCH v3 1/2] dt-bindings: leds: Read max-brightness from
 devicetree


On Mon, 03 Jul 2023 15:03:12 +0200, Astrid Rost wrote:
> Normally, the maximum brightness is determined by the hardware, and this
> property is not required. This property is used to set a software limit.
> It could happen that an LED is made so bright that it gets damaged or
> causes damage due to restrictions in a specific system, such as mounting
> conditions.
> Note that this flag is mainly used for PWM-LEDs, where it is not possible
> to map brightness to current. Drivers for other controllers should use
> led-max-microamp.
> 
> Signed-off-by: Astrid Rost <astrid.rost@...s.com>
> ---
>  Documentation/devicetree/bindings/leds/common.yaml | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>

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