linux-kernel - Re: [PATCH] arm64: dts: qcom: msm8916/39-samsung-a2015: Add flash LED

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Message-ID: <fb452457-6687-4f68-9498-92a3077c9a44@linaro.org>
Date:   Sat, 26 Aug 2023 14:09:38 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Raymond Hackley <raymondhackley@...tonmail.com>
Cc:     agross@...nel.org, andersson@...nel.org, conor+dt@...nel.org,
        devicetree@...r.kernel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        nikita@...n.ru, robh+dt@...nel.org, stephan@...hold.net,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH] arm64: dts: qcom: msm8916/39-samsung-a2015: Add flash LED

On 22.08.2023 17:01, Raymond Hackley wrote:
> Hi Konrad,
> 
>> What about the other subdevices registered with the RT5033 MFD?
> 
> Currently the MFD is not able to control the flash LED, due to missing
> driver for it.
> Alternatively we control it with GPIO pins. With driver leds-sgm3140, the
> binding is not under the RT5033 MFD.
Hm.. I have mixed feelings..

Does the led controlled onboard this chip have some super complex
functionality that is going to be exposed through a specific driver
and that is not exposed through the sgm3140 driver?

Konrad