From: Len Brown <lenb@kernel.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Nico Schottelius <nico-linux-20090213@schottelius.org>,
LKML <linux-kernel@vger.kernel.org>,
Matthew Garrett <mjg@redhat.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Andrew Morton <akpm@linux-foundation.org>,
linux-acpi@vger.kernel.org
Subject: Re: X200: Brightness broken since 2.6.29-rc4-58-g4c098bc
Date: Fri, 13 Feb 2009 13:05:28 -0500 (EST) [thread overview]
Message-ID: <alpine.LFD.2.00.0902131302240.3671@localhost.localdomain> (raw)
In-Reply-To: <20090213094200.GC17774@elte.hu>
> > When using
> > - vmlinuz-2.6.29-rc4-ikn-00058-g4c098bc or
> > - vmlinuz-2.6.29-rc4-ikn-00211-g37bed90
> >
> > the brightness of the LCD is almost off (lowest level),
> > although kernel reports otherwise:
> >
> > [10:31] ikn:~% cat /proc/acpi/video/VID/LCD0/brightness
> > levels: 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 100
> > current: 100
> >
> > Changing the brightness via echo 20 > /proc/acpi/video/VID/LCD0/brightness
> > only changes the value displayed, the display always keeps the same
> > brightness.
> >
> > The last time I saw it working was vmlinuz-2.6.29-rc4-ikn-00001-gd5b5623.
Nico,
there are not a lot of changes between rc4 and the breakage,
(and none of them jump out at me) can you git-bisect?
thanks,
Len Brown, Intel Open Source Technology Center
next prev parent reply other threads:[~2009-02-13 18:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-14 20:35 2.6.29-rc5: Reported regressions from 2.6.28 Rafael J. Wysocki
[not found] ` <1234911925.9844.89.camel@gaiman>
[not found] ` <20090217231313.GA2654@srcf.ucam.org>
[not found] ` <200902171523.57612.jbarnes@virtuousgeek.org>
[not found] ` <20090213093354.GA10175@denkbrett.schottelius.org>
[not found] ` <20090213094200.GC17774@elte.hu>
2009-02-13 18:05 ` Len Brown [this message]
2009-02-16 9:06 ` X200: Brightness broken since 2.6.29-rc4-58-g4c098bc ZhangRui
2009-02-16 10:58 ` Nico Schottelius
2009-02-16 15:54 ` Nico Schottelius
2009-02-19 9:01 ` Nico Schottelius
2009-02-16 7:29 ` 2.6.29-rc5: Reported regressions from 2.6.28 Jarek Poplawski
2009-02-16 21:11 ` Rafael J. Wysocki
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