linux-kernel - Re: (subset) [PATCH] backlight: pwm_bl: apply the initial backlight state with sane defaults

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] [day] [month] [year] [list]

Message-Id: <176244834994.1961871.13787969990090168625.b4-ty@kernel.org>
Date: Thu, 06 Nov 2025 16:59:09 +0000
From: Lee Jones <lee@...nel.org>
To: Uwe Kleine-König <ukleinek@...nel.org>, 
 Lee Jones <lee@...nel.org>, Daniel Thompson <danielt@...nel.org>, 
 Jingoo Han <jingoohan1@...il.com>, Helge Deller <deller@....de>, 
 Michael Grzeschik <m.grzeschik@...gutronix.de>
Cc: Pengutronix <kernel@...gutronix.de>, linux-pwm@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH] backlight: pwm_bl: apply the initial
 backlight state with sane defaults

On Thu, 31 Jul 2025 10:47:18 +0200, Michael Grzeschik wrote:
> Currently when calling pwm_apply_might_sleep in the probe routine
> the pwm will be configured with an not fully defined state.
> 
> The duty_cycle is not yet set in that moment. There is a final
> backlight_update_status call that will have a properly setup state.
> However this change in the backlight can create a short flicker if the
> backlight was already preinitialised.
> 
> [...]

Applied, thanks!

[1/1] backlight: pwm_bl: apply the initial backlight state with sane defaults
      commit: c596a53cb0c607ccff34aac30ada774aa28b7dc0

--
Lee Jones [李琼斯]