linux-kernel - Re: [PATCH v5 4/4] arm64: dts: qcom: sc8280xp-x13s: enable camera privacy indicator

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Message-ID: <1f979b86-b45a-46dc-b926-64f5b1b84f7b@oss.qualcomm.com>
Date: Wed, 10 Sep 2025 14:21:42 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Aleksandrs Vinarskis <alex@...arskis.com>,
        Hans de Goede <hansg@...nel.org>, Lee Jones <lee@...nel.org>,
        Pavel Machek <pavel@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Mauro Carvalho Chehab
 <mchehab@...nel.org>,
        Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
        Jacopo Mondi <jacopo@...ndi.org>,
        Sakari Ailus
 <sakari.ailus@...ux.intel.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Daniel Thompson <danielt@...nel.org>
Cc: linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        threeway@...il.com, Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v5 4/4] arm64: dts: qcom: sc8280xp-x13s: enable camera
 privacy indicator

On 9/10/25 2:01 PM, Aleksandrs Vinarskis wrote:
> Leverage newly introduced 'leds' and 'led-names' properties to pass
> indicator's phandle and function to v4l2 subnode. The latter supports
> privacy led since couple of years ago under 'privacy-led' designation.
> Unlike initially proposed trigger-source based approach, this solution
> cannot be easily bypassed from userspace, thus reducing privacy
> concerns.
> 
> Signed-off-by: Aleksandrs Vinarskis <alex@...arskis.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad