linux-kernel - Re: [RFC PATCH 2/3] platform/x86: Add Uniwill laptop driver

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

Message-ID: <20250619094757.GB587864@google.com>
Date: Thu, 19 Jun 2025 10:47:57 +0100
From: Lee Jones <lee@...nel.org>
To: Armin Wolf <W_Armin@....de>
Cc: Werner Sembach <wse@...edocomputers.com>, ilpo.jarvinen@...ux.intel.com,
	hdegoede@...hat.com, chumuzero@...il.com, corbet@....net,
	cs@...edo.de, ggo@...edocomputers.com, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
	linux-leds@...r.kernel.org
Subject: Re: [RFC PATCH 2/3] platform/x86: Add Uniwill laptop driver

On Tue, 17 Jun 2025, Armin Wolf wrote:

> Am 16.06.25 um 14:46 schrieb Werner Sembach:
> 
> > Hi, small additon
> > 
> > Am 15.06.25 um 19:59 schrieb Armin Wolf:
> > > +        functionality.
> > > +
> > > +What: /sys/bus/wmi/devices/ABBC0F6F-8EA1-11D1-00A0-C90629100000[-X]/rainbow_animation
> > > +Date:        Juni 2025
> > > +KernelVersion:    6.17
> > > +Contact:    Armin Wolf <W_Armin@....de>
> > > +Description:
> > > +        Forces the integrated lightbar to display a rainbow
> > > animation when the machine
> > > +        is not suspended. Writing "enable"/"disable" into this file
> > > enables/disables
> > > +        this functionality.
> > > +
> > > +        Reading this file returns the current status of the rainbow
> > > animation functionality.
> > > +
> > > +What: /sys/bus/wmi/devices/ABBC0F6F-8EA1-11D1-00A0-C90629100000[-X]/breathing_in_suspend
> > > +Date:        Juni 2025
> > > +KernelVersion:    6.17
> > > +Contact:    Armin Wolf <W_Armin@....de>
> > > +Description:
> > > +        Causes the integrated lightbar to display a breathing
> > > animation when the machine
> > > +        has been suspended and is running on AC power. Writing
> > > "enable"/"disable" into
> > > +        this file enables/disables this functionality.
> > > +
> > > +        Reading this file returns the current status of the
> > > breathing animation
> > > +        functionality.
> > 
> > maybe this would be better under the /sys/class/leds/*/ tree if possible
> 
> I CCed the LED mailing list so that they can give us advice on which location is the preferred one for new drivers.

No need to involve the LED subsystem for a hardware function controlled
by a single register value just because the interface involves an LED.

-- 
Lee Jones [李琼斯]