linux-kernel - Re: [BISECTED 3.16-rc REGREGRESSION] backlight control stopped working

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Message-ID: <3905689.dLVXZ99cEJ@vostro.rjw.lan>
Date:	Mon, 14 Jul 2014 20:01:14 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Hans de Goede <hdegoede@...hat.com>,
	Bjørn Mork <bjorn@...k.no>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [BISECTED 3.16-rc REGREGRESSION] backlight control stopped working

On Monday, July 14, 2014 09:24:16 AM Linus Torvalds wrote:
> On Mon, Jul 14, 2014 at 6:14 AM, Hans de Goede <hdegoede@...hat.com> wrote:
> >
> > This *not* a regression, it is an intended behavior change [..]
> 
> That counts as a regression.
> 
> If things used to work, and they don't work, it's a regression. If
> it's intentional, that just makes it worse.
> 
> > Yes this may break existing configurations for some users, most likely
> > users running some custom setup, who thus should be able to fix things
> > by adding one more customization to there setup.
> 
> .. and apparently this whole paragraph is completely bogus. It *does*
> break things, and for normal people. That's what the bug report is all
> about. So don't waffle about it.
> 
> Bjørn, what's your setup? Is this perhaps solvable some other way?
> 
> > TL;DR: This change really is for the better and is here to stay.
> 
> Wrong. We don't break existing setups, and your attitude needs fixing.
> 
> Rafael, please get it reverted, or I will have to revert it.

I've queued up a revert already.  I'll include it into my next pull
request later this week.

Rafael

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