linux-kernel - Re: [PATCH v4 4/4] arm64: dts: rk3399-pinephone-pro: Fix voltage threshold for volume keys

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Message-ID: <aPi8TsoarXJXvKuz@duo.ucw.cz>
Date: Wed, 22 Oct 2025 13:13:18 +0200
From: Pavel Machek <pavel@....cz>
To: guptarud@...il.com
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Ondrej Jirman <megi@....cz>
Subject: Re: [PATCH v4 4/4] arm64: dts: rk3399-pinephone-pro: Fix voltage
 threshold for volume keys

Hi!

> From: Ondrej Jirman <megi@....cz>
> 
> Previously sometimes pressing the volume-down button would register as
> a volume-up button. Match the thresholds as shown in the Pinephone Pro
> schematic.
> 
> Tests:
> 
> ~ $ evtest
>     // Mashed the volume down ~100 times with varying intensity
>     Event: time xxx, type 1 (EV_KEY), code 114 (KEY_VOLUMEDOWN), value 1
>     Event: time xxx, type 1 (EV_KEY), code 114 (KEY_VOLUMEDOWN), value 0
>     // Mashed the volume up ~100 times with varying intensity
>     Event: time xxx, type 1 (EV_KEY), code 115 (KEY_VOLUMEUP), value 1
>     Event: time xxx, type 1 (EV_KEY), code 115 (KEY_VOLUMEUP), value 0
> 
> Signed-off-by: Ondrej Jirman <megi@....cz>
> Signed-off-by: Rudraksha Gupta <guptarud@...il.com>

Reviewed-by: Pavel Machek <pavel@....cz>

BR,
								Pavel
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