linux-kernel - Re: [PATCH 5/5] ARM: dts: qcom: msm8974-oneplus-bacon: Add notification LED

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Date:   Sat, 11 Feb 2023 17:22:36 +0100
From:   Pavel Machek <pavel@....cz>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Luca Weiss <luca@...tu.xyz>, ~postmarketos/upstreaming@...ts.sr.ht,
        phone-devel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] ARM: dts: qcom: msm8974-oneplus-bacon: Add
 notification LED

Hi!

> > Unfortunately the driver currently supports neither multicolor API nor
> > using the properties function & color, so we use label instead.
> > 
> > Signed-off-by: Luca Weiss <luca@...tu.xyz>
> > ---
> >  .../arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts | 28 ++++++++++++++++++++++
> >  1 file changed, 28 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts b/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts
> > index ffb486ceb6a6..a672c45d7070 100644
> > --- a/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts
> > +++ b/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts
> > @@ -114,6 +114,34 @@ led@0 {
> >  			default-brightness = <80>;
> >  		};
> >  	};
> > +
> > +	led-controller@68 {
> > +		compatible = "si-en,sn3193";
> > +		reg = <0x68>;
> > +
> > +		shutdown-gpios = <&tlmm 45 GPIO_ACTIVE_HIGH>;
> > +
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +
> > +		led@1 {
> > +			reg = <1>;
> > +			label = "red:status";
> 
> These should be colors and functions.

Yep. Plus this is one LED, not three, so it should use the multicolor
class.

And then we should have an entry in
Documentation/leds/well-known-leds.txt so that we have same ABI on all
the phones.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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