linux-kernel - Re: [PATCH 3/3] leds: lm3692x: Disable chip on brightness 0

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]

Date:   Thu, 26 Dec 2019 11:29:56 +0100
From:   Pavel Machek <pavel@....cz>
To:     Guido Günther <agx@...xcpu.org>
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Dan Murphy <dmurphy@...com>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] leds: lm3692x: Disable chip on brightness 0

On Wed 2019-12-25 12:16:39, Guido Günther wrote:
> Otherwise there's a noticeable glow even with brightness 0. Also
> turning off the regulator can save additional power.

Ok, this will make set brightness slower, but I guess it makes sense.

Can you try to toggling brightness quickly from userspace, maybe even
from two threads, to ensure nothing really goes wrong there?

Hmm. And if this is independend of the other series, tell me and I can
apply v2.

Best regards,
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Download attachment "signature.asc" of type "application/pgp-signature" (182 bytes)