linux-kernel - Re: [PATCH] backlight: led_bl: fix initial power state

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: <yw1xjzvezapt.fsf@mansr.com>
Date:   Wed, 05 Jul 2023 15:36:46 +0100
From:   Måns Rullgård <mans@...sr.com>
To:     Daniel Thompson <daniel.thompson@...aro.org>
Cc:     Lee Jones <lee@...nel.org>, Jingoo Han <jingoohan1@...il.com>,
        Helge Deller <deller@....de>, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] backlight: led_bl: fix initial power state

Daniel Thompson <daniel.thompson@...aro.org> writes:

> On Wed, Jul 05, 2023 at 03:24:14PM +0100, Mans Rullgard wrote:
>> The condition for the initial power state based on the default
>> brightness value is reversed.  Fix it.
>>
>> Furthermore, use the actual state of the LEDs rather than the default
>> brightness specified in the devicetree as the latter should not cause
>> the backlight to be automatically turned on.
>>
>> If the backlight device is not linked to any display, set the initial
>> power to on unconditionally.
>>
>> Fixes: ae232e45acf9 ("backlight: add led-backlight driver")
>> Signed-off-by: Mans Rullgard <mans@...sr.com>
>> ---
>> Changes in v3:
>> - Add comment
>
> This mismatches the subject line ;-) but I can live with that if Lee
> and Jingoo can!

Does it not fix it?  If you think the subject is misleading, feel free
to change it.

-- 
Måns Rullgård