From: Pavel Machek <pavel@ucw.cz>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
Daniel Thompson <daniel.thompson@linaro.org>,
Jingoo Han <jingoohan1@gmail.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Rob Herring <robh+dt@kernel.org>,
Richard Purdie <rpurdie@rpsys.net>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Heiko Stuebner <heiko@sntech.de>,
linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org,
linux-kernel@vger.kernel.org, groeck@chromium.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v3 2/5] dt-bindings: pwm-backlight: add PWM delay proprieties.
Date: Thu, 20 Jul 2017 10:04:28 +0200 [thread overview]
Message-ID: <20170720080428.GB13103@amd> (raw)
In-Reply-To: <20170717212811.25374-2-enric.balletbo@collabora.com>
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On Mon 2017-07-17 23:28:08, Enric Balletbo i Serra wrote:
> Hardware needs a delay between setting an initial (non-zero) PWM and
> enabling the backlight using GPIO. The post-pwm-on-delay-us specifies
> this delay in micro seconds. Hardware also needs a delay between disabing
> the backlight using GPIO and setting PWM value to 0. The pwm-off-delay-us
> is this delay in micro seconds.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-07-20 8:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-17 21:28 [PATCH v3 1/5] pwm-backlight: enable/disable the PWM before/after LCD enable toggle Enric Balletbo i Serra
2017-07-17 21:28 ` [PATCH v3 2/5] dt-bindings: pwm-backlight: add PWM delay proprieties Enric Balletbo i Serra
2017-07-20 8:04 ` Pavel Machek [this message]
2017-07-17 21:28 ` [PATCH v3 3/5] pwm-backlight: add support for PWM delays proprieties Enric Balletbo i Serra
2017-07-18 9:38 ` Daniel Thompson
2017-07-20 8:06 ` Pavel Machek
2017-07-20 10:37 ` Daniel Thompson
2017-07-20 11:05 ` Pavel Machek
2017-08-08 8:11 ` Pavel Machek
2017-07-17 21:28 ` [PATCH v3 4/5] ARM: dts: rockchip: set PWM delay backlight settings for Veyron Enric Balletbo i Serra
2017-07-17 21:28 ` [PATCH v3 5/5] ARM: dts: rockchip: set PWM delay backlight settings for Minnie Enric Balletbo i Serra
2017-07-20 8:10 ` Pavel Machek
2017-07-20 10:03 ` Enric Balletbo Serra
2017-07-20 10:13 ` Pavel Machek
2017-07-18 9:34 ` [PATCH v3 1/5] pwm-backlight: enable/disable the PWM before/after LCD enable toggle Daniel Thompson
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