linux-kernel - Re: [PATCH 1/3] backlight: lm3630a: add support for changing the boost frequency

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Message-ID: <20230626143938.GC95170@aspen.lan>
Date:   Mon, 26 Jun 2023 15:39:38 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Maximilian Weigand <mweigand2017@...il.com>
Cc:     Lee Jones <lee@...nel.org>, Jingoo Han <jingoohan1@...il.com>,
        Helge Deller <deller@....de>, Pavel Machek <pavel@....cz>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        Maximilian Weigand <mweigand@...igand.net>
Subject: Re: [PATCH 1/3] backlight: lm3630a: add support for changing the
 boost frequency

On Wed, Jun 14, 2023 at 09:08:52PM +0200, Maximilian Weigand wrote:
> From: Maximilian Weigand <mweigand@...igand.net>
>
> The led driver supports changing the switching frequency of the boost
> converter by two means: the base switching frequency can be changed from
> 500 kHz to 1 MHz, and a frequency shift can be activated, leading to
> switching frequencies of 560 kHz or 1.12 Mhz, respectively.
>
> Add this functionality to the led driver by introducing two dts entries
> that control the boost frequency (500 kHz by default) and the frequency
> shift (no shift by default).
>
> Signed-off-by: Maximilian Weigand <mweigand@...igand.net>

Driver changes look ok (or at least will be when the DT bindings are
finalized).

However... I think patches 1 and 2 of this series are in the wrong
order. See #5 in
https://docs.kernel.org/devicetree/bindings/submitting-patches.html
for details.


Daniel.