linux-kernel - Re: [PATCH v4 5/8] arm64: dts: qcom: sdm660-xiaomi-lavender: Add volume up button

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Message-ID: <YZmLXtvxH57/Cv43@builder.lan>
Date:   Sat, 20 Nov 2021 17:57:18 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Caleb Connolly <caleb@...nolly.tech>,
        Dang Huynh <danct12@...eup.net>
Cc:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Alexey Min <alexey.min@...il.com>,
        Martin Botka <martin.botka@...ainline.org>,
        Konrad Dybcio <konradybcio@...il.com>
Subject: Re: [PATCH v4 5/8] arm64: dts: qcom: sdm660-xiaomi-lavender: Add
 volume up button

On Sat 20 Nov 15:51 CST 2021, Caleb Connolly wrote:

> 
> 
> On 20/11/2021 21:42, Dang Huynh wrote:
> > This enables the volume up key.
> >
> > Signed-off-by: Dang Huynh <danct12@...eup.net>
> > ---
> >   .../arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts | 14 ++++++++++++++
> >   1 file changed, 14 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
> > index 9a6684922804..c7bdf4c28be4 100644
> > --- a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
> > +++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
> > @@ -9,6 +9,8 @@
> >   #include "sdm660.dtsi"
> >   #include "pm660.dtsi"
> >   #include "pm660l.dtsi"
> > +#include <dt-bindings/input/input.h>
> > +#include <dt-bindings/input/gpio-keys.h>
> >
> >   / {
> >   	model = "Xiaomi Redmi Note 7";
> > @@ -33,6 +35,18 @@ vph_pwr: vph-pwr-regulator {
> >   		regulator-boot-on;
> >   	};
> >
> > +	gpio-keys {
> > +		compatible = "gpio-keys";
> > +		input-name = "gpio-keys";
> I don't think input-name is used anymore.

It seems you're correct, we have it in a number of dts files, but I
don't see it in the binding document or the Linux implementation.

I've applied the rest of the patches in the series for now.

Thanks,
Bjorn

> > +
> > +		volup {
> > +			label = "Volume Up";
> > +			gpios = <&pm660l_gpios 7 GPIO_ACTIVE_LOW>;
> > +			linux,code = <KEY_VOLUMEUP>;
> > +			debounce-interval = <15>;
> > +		};
> > +	};
> > +
> >   	reserved-memory {
> >   		#address-cells = <2>;
> >   		#size-cells = <2>;
> > --
> > 2.33.1
> >
> 
> --
> Kind Regards,
> Caleb
>