linux-kernel - Re: [PATCH] leds: rgb: Implement per-key keyboard backlight for several TUXEDO devices

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 for Android: free password hash cracker in your pocket

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

Date:   Fri, 13 Oct 2023 14:19:54 +0200
From:   Pavel Machek <pavel@....cz>
To:     Werner Sembach <wse@...edocomputers.com>
Cc:     Lee Jones <lee@...nel.org>, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org
Subject: Re: [PATCH] leds: rgb: Implement per-key keyboard backlight for
 several TUXEDO devices

Hi!

> Every multi_zone_* mode could also output a zones_image. That is a greyscale
> bitmap or even a svg containing the information where each zone is located
> and which outline it has. For the bitmap the information would be encoded in
> the grey value, aka 0 = zone 0 etc with 0xff = no zone (i.e. space between
> the keys). For the svg, the name of the paths would indicate the
> zone they

This is not really suitable for kernel.

> > It would go to drivers/auxdisplay, most probably.
> 
> Looking into it, thanks for the direction. But this would come with the
> downside that upowers kbd_brightness no longer controls the keyboard.

Yep. We could add some kind of kludge to fix that.

Perhaps first question is to ask auxdisplay people if treating
keyboard as a weird display is okay? cc: lkml, leds, drm, input at
least.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

Download attachment "signature.asc" of type "application/pgp-signature" (196 bytes)