From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Date: Tue, 13 Aug 2013 07:34:16 +0000
Subject: Re: [PATCH] pwm-backlight: add "max-brightness" property
Message-Id: <20130813073415.GA9316@ulmo>
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List-Id: <linux-fbdev.vger.kernel.org>
References: <1376345057-29895-1-git-send-email-abrestic@chromium.org>
In-Reply-To: <1376345057-29895-1-git-send-email-abrestic@chromium.org>
To: Andrew Bresticker <abrestic@chromium.org>
Cc: Richard Purdie <rpurdie@rpsys.net>, Jingoo Han <jg1.han@samsung.com>, Olof Johansson <olof@lixom.net>, Rob Herring <rob.herring@calxeda.com>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Stephen Warren <swarren@wwwdotorg.org>, Ian Campbell <ian.campbell@citrix.com>, Rob Landley <rob@landley.net>, Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>, Tomi Valkeinen <tomi.valkeinen@ti.com>, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org


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On Mon, Aug 12, 2013 at 03:04:17PM -0700, Andrew Bresticker wrote:
> Specifying each individual brightness value via the "brightness-levels"
> property can be a pain if we want to use a large continuous range of
> brightness values.  Add the property "max-brightness", which can be
> given in place of "brightness-levels", that specifies that all values
> between 0 and the given value can be used.

This was actually part of my first attempt at a DT binding for this
driver as well. Some discussion ensued and we ended up changing the
binding to what it is now. And I think there was even an attempt already
at adding the same thing you propose (albeit under a different name). So
instead of repeating myself I'll just point you at the earlier thread:

	https://groups.google.com/forum/#!topic/linux.kernel/UkXktWt6zI0

Thierry

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