linux-kernel - Re: [PATCH v5 0/4] Fix Win8 backlight issue

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Message-ID: <2087267.6s6y3mUdZL@vostro.rjw.lan>
Date:	Sat, 12 Oct 2013 16:10:51 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Yves-Alexis Perez <corsac@...ian.org>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	Aaron Lu <aaron.lu@...el.com>, linux-acpi@...r.kernel.org,
	intel-gfx@...ts.freedesktop.org,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	Daniel Vetter <daniel@...ll.ch>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	Seth Forshee <seth.forshee@...onical.com>,
	Lee Chun-Yi <joeyli.kernel@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Igor Gnatenko <i.gnatenko.brain@...il.com>,
	Felipe Contreras <felipe.contreras@...il.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Ben Jencks <ben@...ncks.net>,
	Steven Newbury <steve@...wbury.org.uk>,
	James Hogan <james@...anarts.com>,
	Kamal Mostafa <kamal@...onical.com>,
	Joerg Platte <jplatte@...sa.net>,
	Kalle Valo <kvalo@...rom.com>,
	Martin Steigerwald <Martin@...htvoll.de>,
	Jörg Otte <jrg.otte@...il.com>,
	Mike Galbraith <bitbucket@...ine.de>,
	platform-driver-x86@...r.kernel.org,
	Mika Westerberg <mika.westerberg@...ux.i>
Subject: Re: [PATCH v5 0/4] Fix Win8 backlight issue

On Saturday, October 12, 2013 07:54:06 AM Yves-Alexis Perez wrote:
> On sam., 2013-10-12 at 01:27 +0200, Rafael J. Wysocki wrote:
> > If we are to use a Kconfig option, why don't we use one instead of rather than
> > in addition to a command line option?  Say, we have
> > CONFIG_ACPI_VIDEO_WIN8_WORKAROUND and if that is set, the code will work like
> > the previous version of the Aaron's patchset (the one without
> > video.use_native_backlight)?
> 
> Doesn't this mean user will have to rebuild distro kernel in order to
> test behavior?

Yes, it does, which is a good point too.

Thanks!

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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