linux-kernel - Re: [PATCH v4 0/1] Change PWM-controlled LED pin active mode and algorithm

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Message-ID: <20230803-vehicular-leggings-2830239f818a@wendy>
Date:   Thu, 3 Aug 2023 10:15:10 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Nylon Chen <nylon.chen@...ive.com>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <geert+renesas@...der.be>,
        <pavel@....cz>, <vincent.chen@...ive.com>,
        <emil.renner.berthing@...onical.com>, <aou@...s.berkeley.edu>,
        <palmer@...belt.com>, <paul.walmsley@...ive.com>,
        <krzysztof.kozlowski+dt@...aro.org>, <robh+dt@...nel.org>,
        <conor@...nel.org>, <zong.li@...ive.com>
Subject: Re: [PATCH v4 0/1] Change PWM-controlled LED pin active mode and
 algorithm

On Thu, Aug 03, 2023 at 04:57:33PM +0800, Nylon Chen wrote:
> According to the circuit diagram of User LEDs - RGB described in themanual hifive-unleashed-a00.pdf[0] and hifive-unmatched-schematics-v3.pdf[1].
> 
> The behavior of PWM is acitve-high.
> 
> Removed patches: 1
> New patches: (none)
> 
> Links:
> - [0]:  https://sifive.cdn.prismic.io/sifive/c52a8e32-05ce-4aaf-95c8-7bf8453f8698_hifive-unleashed-a00-schematics-1.pdf
> - [1]:  https://sifive.cdn.prismic.io/sifive/6a06d6c0-6e66-49b5-8e9e-e68ce76f4192_hifive-unmatched-schematics-v3.pdf
> - [2]:  https://sifive.cdn.prismic.io/sifive/1a82e600-1f93-4f41-b2d8-86ed8b16acba_fu740-c000-manual-v1p6.pdf
> 
> Changed in v4:
>  - Remove previous updates to the PWM algorithm.

Why? I don't recall the conclusion on the previous version being that
that patch was not needed.

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