Bug 13095

Summary: thinkpad-acpi: cannot control brightness with hotkeys
Product: ACPI Reporter: Rafael J. Wysocki (rjw)
Component: Power-VideoAssignee: acpi_power-video
Status: CLOSED DUPLICATE    
Severity: normal CC: mjg59-kernel, yakui.zhao
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.30-rc1 Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 13070    

Description Rafael J. Wysocki 2009-04-15 21:41:52 UTC 
Subject    : 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys
Submitter  : Niel Lambrechts <niel.lambrechts@gmail.com>
Date       : 2009-04-11 23:07
References : http://lkml.org/lkml/2009/4/11/160
Handled-By : Matthew Garrett <mjg59@srcf.ucam.org>
Patch      : http://lkml.org/lkml/2009/4/15/339
Notify-Also : Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Notify-Also : Maxim Levitsky <maximlevitsky@gmail.com>
Notify-Also : Zhang Rui <rui.zhang@intel.com>

This entry is being used for tracking a regression from 2.6.29.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 ykzhao 2009-04-16 02:21:32 UTC 
it seems that this is a duplicate bug of 13048.
   
Thanks.
Comment 2 Rafael J. Wysocki 2009-04-17 21:34:26 UTC 
On Friday 17 April 2009, Zhang Rui wrote:
> On Fri, 2009-04-17 at 05:42 +0800, Rafael J. Wysocki wrote:
> > 
> > 
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=13095
> > Subject         : thinkpad-acpi: cannot control brightness with hotkeys
> > Submitter       : Niel Lambrechts <niel.lambrechts@gmail.com>
> > Date            : 2009-04-11 23:07 (6 days old)
> > References      : http://lkml.org/lkml/2009/4/11/160
> > Handled-By      : Matthew Garrett <mjg59@srcf.ucam.org>
> > Patch           : http://lkml.org/lkml/2009/4/15/339
> > 
> > 
> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=13048
> > Subject         : /sys/class/backlight/acpi_video0/* is gone on vaio laptop
> with Intel GM45.
> > Submitter       : Rodrigo L. Batista <rodrigo@gus-mg.org>
> > Date            : 2009-04-09 04:57 (8 days old)
> > Handled-By      : yakui_zhao <yakui.zhao@intel.com>
> > Patch           : http://bugzilla.kernel.org/attachment.cgi?id=20967
> >                   http://bugzilla.kernel.org/attachment.cgi?id=20959
> > 
> > 
> bug 13095 is a duplicate of bug 13048.
> patches from Matthew and Yakui are for the same issue.
Comment 3 Rafael J. Wysocki 2009-04-17 21:34:59 UTC 

*** This bug has been marked as a duplicate of bug 13048 ***