linux-kernel - Re: [2/2] 2.6.21-rc7: known regressions

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Date:	Thu, 19 Apr 2007 22:15:48 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Dave Jones <davej@...hat.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Adrian Bunk <bunk@...sta.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	pavel@...e.cz, linux-pm@...ts.osdl.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, gregkh@...e.de
Subject: Re: [2/2] 2.6.21-rc7: known regressions

Dave Jones wrote:
> Do you have the backlight code enabled ?
> I'm guessing not.
>   

Hm, think so.  backlight controls work, via both
/proc/acpi/ibm/backlight and /sys/class/backlight/*/brightness.

$ ls -l /sys/class/backlight/
total 0
drwxr-xr-x 2 root root 0 Apr 19 22:13 acpi_video0
drwxr-xr-x 2 root root 0 Apr 19 22:13 acpi_video1
drwxr-xr-x 2 root root 0 Apr 19 22:13 ibm


    J
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