From: Julian Wollrath <jwollrath@web.de>
To: linux-acpi@vger.kernel.org
Subject: Re: [Regression]: Changing brightness does not work with v3.16-rc4
Date: Sat, 12 Jul 2014 18:24:52 +0200 [thread overview]
Message-ID: <20140712182452.19ef6a91@saldaea> (raw)
In-Reply-To: <20140712180636.698e2e4c@saldaea>
Hi,
> changing the brightness on my Thinkpad X230 with Intel HD4000
> graphics, stopped working after commit 886129a8eebe (ACPI / video:
> change acpi-video brightness_switch_enabled default to 0). Changing
> it back to 1, fixes the problem, if "acpi_osi=!Windows 2012" is also
> set. Before that commit just setting "acpi_osi=!Windows 2012" was
> enough to get changing the brightness working.
small correction: It setting "acpi_osi=!Windows 2012" does only help
when using a kernel with commit 886129a8eebe as HEAD, with v3.16-rc4
setting video.brightness_switch_enabled=1 and acpi_osi=!Windows 2012 or
just one of them, does not make changing the brightness work again.
>
>
> With best regards,
> Julian Wollrath
next prev parent reply other threads:[~2014-07-12 16:24 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 [this message]
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
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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