From: Thierry Reding <thierry.reding@gmail.com>
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
Subject: Re: [PATCH] pwm-backlight: add "max-brightness" property
Date: Tue, 13 Aug 2013 07:34:16 +0000 [thread overview]
Message-ID: <20130813073415.GA9316@ulmo> (raw)
In-Reply-To: <1376345057-29895-1-git-send-email-abrestic@chromium.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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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
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
Subject: Re: [PATCH] pwm-backlight: add "max-brightness" property
Date: Tue, 13 Aug 2013 09:34:16 +0200 [thread overview]
Message-ID: <20130813073415.GA9316@ulmo> (raw)
In-Reply-To: <1376345057-29895-1-git-send-email-abrestic@chromium.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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next prev parent reply other threads:[~2013-08-13 7:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 22:04 [PATCH] pwm-backlight: add "max-brightness" property Andrew Bresticker
2013-08-12 22:04 ` Andrew Bresticker
2013-08-12 22:43 ` Stephen Warren
2013-08-12 22:43 ` Stephen Warren
2013-08-13 7:34 ` Thierry Reding [this message]
2013-08-13 7:34 ` Thierry Reding
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