linux-kernel - Re: [PATCH v3 1/2] dt-bindings: leds: Read max-brightness from devicetree

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Message-ID: <20230713133300.GS10768@google.com>
Date:   Thu, 13 Jul 2023 14:33:00 +0100
From:   Lee Jones <lee@...nel.org>
To:     Astrid Rost <astrid.rost@...s.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, kernel@...s.com,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: leds: Read max-brightness from
 devicetree

On Mon, 03 Jul 2023, 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(+)

Applied, thanks

-- 
Lee Jones [李琼斯]