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Date:   Tue, 5 Oct 2021 10:21:20 +0100
From:   Daniel Thompson <>
To:     Marijn Suijten <>
Cc:, Andy Gross <>,
        Bjorn Andersson <>,
        Lee Jones <>,
        Jingoo Han <>,
        AngeloGioacchino Del Regno 
        Konrad Dybcio <>,
        Martin Botka <>,
        Jami Kettunen <>,
        Pavel Dubrova <>,
        Kiran Gunda <>,
        Courtney Cavin <>,
        Bryan Wu <>,,,,
Subject: Re: [PATCH 07/10] backlight: qcom-wled: Provide enabled_strings
 default for wled 4 and 5

On Mon, Oct 04, 2021 at 09:27:38PM +0200, Marijn Suijten wrote:
> Only wled 3 sets a sensible default that allows operating this driver
> with just qcom,num-strings in the DT; wled 4 and 5 require
> qcom,enabled-strings to be provided otherwise enabled_strings remains
> zero-initialized, resuling in every string-specific register write
> (currently only the setup and config functions, brightness follows in a
> future patch) to only configure the zero'th string multiple times.
> Signed-off-by: Marijn Suijten <>
> Reviewed-by: AngeloGioacchino Del Regno <>

Reviewed-by: Daniel Thompson <>

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