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

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Message-ID: <20191226102956.GH4033@amd>
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

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