From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Date: Mon, 19 Mar 2018 16:58:57 +0000
Subject: Re: [RESEND PATCH v5 2/5] dt-bindings: pwm-backlight: add PWM delay proprieties.
Message-Id: <20180319165857.GC22770@ulmo>
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List-Id: <linux-fbdev.vger.kernel.org>
References: <20180216174034.15936-1-enric.balletbo@collabora.com>
 <20180216174034.15936-2-enric.balletbo@collabora.com>
In-Reply-To: <20180216174034.15936-2-enric.balletbo@collabora.com>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, Rob Herring <robh+dt@kernel.org>, Pavel Machek <pavel@ucw.cz>, Heiko Stuebner <heiko@sntech.de>, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Richard Purdie <rpurdie@rpsys.net>, Jacek Anaszewski <jacek.anaszewski@gmail.com>, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, groeck@chromium.org, linux-rockchip@lists.infradead.org, kernel@collabora.com


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On Fri, Feb 16, 2018 at 06:40:31PM +0100, 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-ms specifies
> this delay in milli seconds. Hardware also needs a delay between disabing
> the backlight using GPIO and setting PWM value to 0. The pwm-off-delay-ms
> is this delay in milli seconds.
>=20
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> Acked-by: Pavel Machek <pavel@ucw.cz>
> ---
> Based on the original Huang Lin <hl@rock-chips.com> work.
>=20
> Changes since v4:
>  - Rebase on top of mainline.
> Changes since v3:
>  - Replace us for ms.
>  - Add Acked-by: Pavel Machek <pavel@ucw.cz>
> Changes since v2:
>  - Use separate properties (Rob Herring)
> Changes since v1:
>  - As suggested by Daniel Thompson
>    - Do not assume power-on delay and power-off delay will be the same
>=20
>  Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt | 6 +=
+++++
>  1 file changed, 6 insertions(+)

Acked-by: Thierry Reding <thierry.reding@gmail.com>

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