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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.
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