linux-kernel - Re: [PATCH v5 2/2] arm64: dts: qcom: Add support for Huawei MateBook E 2019

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <6e5f63d1-8e07-45dd-8e98-6d843246ac59@oss.qualcomm.com>
Date: Wed, 8 Oct 2025 11:24:59 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Jingzhou Zhu <newwheatzjz@...omail.com>, andersson@...nel.org,
        konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH v5 2/2] arm64: dts: qcom: Add support for Huawei MateBook
 E 2019

On 10/8/25 3:54 AM, Jingzhou Zhu wrote:
> Add device tree for Huawei MateBook E 2019, which is a 2-in-1 tablet based
> on Qualcomm's sdm850 platform.
> 
> Supported features:
>  - ADSP, CDSP and SLPI
>  - Volume Key
>  - Power Key
>  - Tablet Mode Switching
>  - Display
>  - Touchscreen
>  - Stylus
>  - WiFi [1]
>  - Bluetooth [2]
>  - GPU
>  - USB
>  - Keyboard
>  - Touchpad
>  - UFS
>  - SD Card
>  - Audio (right internal mic and headphone mic not working)
>  - Mobile Network

Just some cosmetic notes

[...]

> +&pm8998_gpios {
> +	sw_edp_1p2_en: sw-edp-1p2-en-state {
> +		pins = "gpio9";
> +		function = "normal";
> +
> +		bias-disable;

odd \n-s inbetween

[...]

> +	mm1-dai-link {
> +		link-name = "MultiMedia1";
> +		cpu {

a \n between the last property and the subsequent subnode is customary

[...]

> +	slim-dai-link {
> +		link-name = "SLIM Playback";
> +		cpu {
> +			sound-dai = <&q6afedai SLIMBUS_0_RX>;
> +		};
> +
> +		platform {
> +			sound-dai = <&q6routing>;
> +		};
> +
> +		codec {
> +			sound-dai = <&left_spkr>, <&right_spkr>, <&swm 0>, <&wcd9340 AIF1_PB>;
> +		};

'co'dec < 'cp'u < 'p'latform

[...]

> +&tlmm {
> +	gpio-reserved-ranges = <0 4>, <81 4>;

Would you happen to know what these correspond to? See e.g. x1-crd.dtsi

> +
> +	cam_indicator_en: cam-indicator-en-state {
> +		pins = "gpio12";
> +		function = "gpio";
> +
> +		drive-strength = <2>;

strange separatory \n-s here too


lgtm otherwise

Konrad