From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Aaron Lu <aaron.lu@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>,
Julian Wollrath <jwollrath@web.de>,
linux-acpi@vger.kernel.org
Subject: Re: [Regression]: Changing brightness does not work with v3.16-rc4
Date: Wed, 16 Jul 2014 02:43:42 +0200 [thread overview]
Message-ID: <2231725.PEI454q0UP@vostro.rjw.lan> (raw)
In-Reply-To: <53C53E89.2020505@intel.com>
On Tuesday, July 15, 2014 10:45:29 PM Aaron Lu wrote:
> On 07/15/2014 10:05 PM, Hans de Goede wrote:
[cut]
> > On 07/15/2014 04:00 PM, Aaron Lu wrote:
> >
> > > If we have to consider the following config:
> > > 1 ACPI backlight interface works(or can work with some cmdline option);
> >
> > And the BIOS advertises native win8 support.
>
> Right.
> So this condition should be:
> 1 ACPI backlight interface works in Win8 mode;
>
> This means, for Julian's system, the commit 751109aad583 doesn't need to
> be reverted as the ACPI backlight interface on his system only works
> when the acpi_osi="!Windows 2012" is added. In that case, the
> video.use_native_backlight=X doesn't make any difference anymore.
But Julian reports that he needs to revert that commit to make things work
as before for him. What gives?
Rafael
next prev parent reply other threads:[~2014-07-16 0:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-12 16:06 [Regression]: Changing brightness does not work with v3.16-rc4 Julian Wollrath
2014-07-12 16:24 ` Julian Wollrath
2014-07-14 18:21 ` Rafael J. Wysocki
2014-07-14 18:34 ` Julian Wollrath
2014-07-14 19:02 ` Rafael J. Wysocki
2014-07-14 19:10 ` Rafael J. Wysocki
2014-07-14 18:56 ` Julian Wollrath
2014-07-14 19:17 ` Rafael J. Wysocki
2014-07-15 6:06 ` Aaron Lu
2014-07-15 12:27 ` Rafael J. Wysocki
2014-07-15 14:00 ` Aaron Lu
2014-07-15 14:05 ` Hans de Goede
2014-07-15 14:45 ` Aaron Lu
2014-07-16 0:43 ` Rafael J. Wysocki [this message]
2014-07-16 6:29 ` Hans de Goede
2014-07-16 7:19 ` Aaron Lu
2014-07-16 8:13 ` Hans de Goede
2014-07-16 8:30 ` Aaron Lu
2014-07-16 8:35 ` Hans de Goede
2014-07-16 11:50 ` Julian Wollrath
2014-07-16 11:52 ` Hans de Goede
2014-07-15 21:38 ` Julian Wollrath
2014-07-16 2:36 ` Aaron Lu
2014-07-16 11:36 ` Julian Wollrath
2014-07-14 2:06 ` Aaron Lu
2014-07-14 12:42 ` Julian Wollrath
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