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Subject: Re: [V2 PATCH 2/2] drivers-gpu-drm-i915-invert-backlight-brightness
From: Paul Menzel <paulepanter@users.sourceforge.net>
To: Keith Packard <keithp@keithp.com>
Cc: Carsten Emde <C.Emde@osadl.org>, David Airlie <airlied@linux.ie>,
        Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
        LKML <linux-kernel@vger.kernel.org>,
        DRI <dri-devel@lists.freedesktop.org>,
        Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 15 Mar 2012 08:16:39 +0100
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	 <20120314234830.227490545@osadl.org> <8662e6inzr.fsf@sumi.keithp.com>
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Am Mittwoch, den 14.03.2012, 19:42 -0700 schrieb Keith Packard:
> <#part sign=3Dpgpmime>

Notmuch sometimes seems to add that line. Is that a bug?

> On Thu, 15 Mar 2012 00:35:46 +0100, Carsten Emde <C.Emde@osadl.org> wrote=
:
>=20
> > This patch adds a module parameter to invert the backlight brightness
> > value before writing and after reading which makes the affected noteboo=
k
> > usable again.
>=20
> You should add a quirk for this and set things up so that your machine
> automatically gets the right value; when we find more machines that do
> this, we can add them so that more people will get a system that 'just
> works'.

Keith, do you mean adding the quirk additionally in a separate patch?
Having that module option would ease testing the workaround without
needing to build a custom Linux kernel with a quirk added.


Thanks,

Paul



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