From: Thierry Reding <thierry.reding@avionic-design.de>
To: Alban Bedel <alban.bedel@avionic-design.de>
Cc: linux-kernel@vger.kernel.org, Richard Purdie <rpurdie@rpsys.net>
Subject: Re: [PATCH] pwm-backlight: Add support for active low PWM backlights
Date: Tue, 6 Nov 2012 07:44:06 +0100 [thread overview]
Message-ID: <20121106064405.GB14863@avionic-0098.mockup.avionic-design.de> (raw)
In-Reply-To: <1352130541-16819-1-git-send-email-alban.bedel@avionic-design.de>
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On Mon, Nov 05, 2012 at 04:49:01PM +0100, Alban Bedel wrote:
> Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
> ---
> .../bindings/video/backlight/pwm-backlight.txt | 1 +
> drivers/video/backlight/pwm_bl.c | 22 ++++++++++++++-----
> include/linux/pwm_backlight.h | 1 +
> 3 files changed, 18 insertions(+), 6 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
> index 1e4fc72..3a40539 100644
> --- a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
> +++ b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
> @@ -14,6 +14,7 @@ Required properties:
> Optional properties:
> - pwm-names: a list of names for the PWM devices specified in the
> "pwms" property (see PWM binding[0])
> + - active-low: boolean indicating that the backlight use active low logic
Couldn't you use the brightness-levels property to achieve the same
effect?
Thierry
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next prev parent reply other threads:[~2012-11-06 6:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-05 15:49 Alban Bedel
2012-11-06 6:44 ` Thierry Reding [this message]
2012-11-07 12:10 ` Alban Bedel
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