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:   Wed, 8 Nov 2017 10:48:01 +0000
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Lothar Waßmann <LW@...O-electronics.de>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Pavel Machek <pavel@....cz>,
        Richard Purdie <rpurdie@...ys.net>,
        Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        devicetree@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        linux-pwm@...r.kernel.org,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>
Subject: Re: [PATCH 0/2] backlight: pwm_bl: prevent backlight flicker when
 switching PWM on

On 26/10/17 13:49, Lothar Waßmann wrote:
> These patches implement some measures to prevent backlight flicker
> when the backlight is being switched on for a display with an active
> low brightness control pin.
> GIT: [PATCH 1/2] backlight: pwm_bl: Enable PWM before switching regulator
> GIT: [PATCH 2/2] backlight: pwm_bl: add configurable delay between

Other than hoisting the pwm_enable() even earlier in the setup sequence 
this patchset seems to have a significant overlap with Enric's recent 
posting:

   https://lkml.org/lkml/2017/7/21/211

Any chance of a shared view on this, especially on the DT bindings?



Daniel.

Powered by blists - more mailing lists