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Date: Tue, 20 Feb 2024 17:07:38 +0000
From: Daniel Thompson <daniel.thompson@linaro.org>
To: Luca Weiss <luca@z3ntu.xyz>
Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org,
	Lee Jones <lee@kernel.org>, Jingoo Han <jingoohan1@gmail.com>,
	Helge Deller <deller@gmx.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	"G.Shark Jeong" <gshark.jeong@gmail.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Maximilian Weigand <mweigand@mweigand.net>,
	dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH 4/4] ARM: dts: qcom: msm8974-hammerhead: Hook up backlight
Message-ID: <20240220170738.GI6716@aspen.lan>
References: <20240220-lm3630a-fixups-v1-0-9ca62f7e4a33@z3ntu.xyz>
 <20240220-lm3630a-fixups-v1-4-9ca62f7e4a33@z3ntu.xyz>
 <20240220141210.GG6716@aspen.lan>
 <2444202.ElGaqSPkdT@g550jk>
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In-Reply-To: <2444202.ElGaqSPkdT@g550jk>

On Tue, Feb 20, 2024 at 05:45:32PM +0100, Luca Weiss wrote:
> On Dienstag, 20. Februar 2024 15:12:10 CET Daniel Thompson wrote:
> > On Tue, Feb 20, 2024 at 12:11:22AM +0100, Luca Weiss wrote:
> > > Connect the panel with the backlight nodes so that the backlight can be
> > > turned off when the display is blanked.
> > >
> > > Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
> >
> > Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
> >
> >
> > > ---
> > >  arch/arm/boot/dts/qcom/qcom-msm8974-lge-nexus5-hammerhead.dts | 4 +++-
> > >  1 file changed, 3 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm/boot/dts/qcom/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom/qcom-msm8974-lge-nexus5-hammerhead.dts
> > > index 4aaae8537a3f..8eaa5b162815 100644
> > > --- a/arch/arm/boot/dts/qcom/qcom-msm8974-lge-nexus5-hammerhead.dts
> > > +++ b/arch/arm/boot/dts/qcom/qcom-msm8974-lge-nexus5-hammerhead.dts
> > > @@ -182,7 +182,7 @@ &blsp2_i2c5 {
> > >  	status = "okay";
> > >  	clock-frequency = <355000>;
> > >
> > > -	led-controller@38 {
> > > +	backlight: led-controller@38 {
> >
> > Again... a minor nit regarding existing problems but this node doesn't
> > follow the generic naming recommendations:
> > https://devicetree-specification.readthedocs.io/en/stable/devicetree-basics.html#generic-names-recommendation
>
> "led-controller" is listed on that page, or do you mean something else?

That's the point ;-). It is supposed to be called backlight@38!


Daniel.