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Message-ID: <4adb975e-bbd0-9a53-372a-404ec857a632@linaro.org>
Date:   Wed, 5 Jul 2023 08:32:58 +0200
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Subject: Re: [PATCH v3 1/2] dt-bindings: leds: Read max-brightness from
 devicetree
Content-Language: en-US
To:     Astrid Rost <astrid.rost@axis.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rob Herring <robh@kernel.org>,
        Jacek Anaszewski <jacek.anaszewski@gmail.com>,
        Pavel Machek <pavel@ucw.cz>, Lee Jones <lee@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     kernel@axis.com, linux-leds@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20230703130313.548519-1-astrid.rost@axis.com>
 <20230703130313.548519-2-astrid.rost@axis.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230703130313.548519-2-astrid.rost@axis.com>
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On 03/07/2023 15:03, 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@axis.com>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof