linux-kernel - Re: [v3.20] ACPI backlight problem

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Message-ID: <CADDKRnAMx9zqKtTpNxjLT0PfS8OoL+AZVt2yi-OcDnqNcQ9=AQ@mail.gmail.com>
Date:	Tue, 24 Feb 2015 12:07:46 +0100
From:	Jörg Otte <jrg.otte@...il.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [v3.20] ACPI backlight problem

2015-02-24 0:18 GMT+01:00 Rafael J. Wysocki <rjw@...ysocki.net>:
> On Sunday, February 22, 2015 05:53:11 PM Jörg Otte wrote:
>> When I press backlight keys then normally OSD is shown and
>> backlight follows immediately the keystrokes step by step.
>
> That's how it works in 3.19, right?
Yes.

>
>> Now in v3.20 it behaves different:
>> When I press backlight keys at first nothing happens. If I watch a
>> video it is being stopped.
>> After some seconds OSD is shown, backlight changes - in one step - to
>> the new level and video continues.
>
> So what machine is that?

FUJITSU LIFEBOOK AH532/FJNBB1C, BIOS Version 1.09 05/22/2012

Thanks, Jörg
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