Screen brightness not adjustable on Lenovo Ideapad S10-3

Bug #560204 reported by Alexander Keller on 2010-04-10
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Ubuntu
Undecided
Unassigned

Bug Description

When I press Fn+Up/Down the screen brightness is not adjusted, only the following messages are logged to /var/log/messages:

[ 61.569911] atkbd.c: Unknown key pressed (translated set 2, code 0xba on isa0060/serio0).
[ 61.569921] atkbd.c: Use 'setkeycodes e03a <keycode>' to make it known.
[ 61.729573] atkbd.c: Unknown key released (translated set 2, code 0xba on isa0060/serio0).
[ 61.729584] atkbd.c: Use 'setkeycodes e03a <keycode>' to make it known.
[ 61.916429] atkbd.c: Unknown key pressed (translated set 2, code 0xba on isa0060/serio0).
[ 61.916439] atkbd.c: Use 'setkeycodes e03a <keycode>' to make it known.
[ 62.081314] atkbd.c: Unknown key released (translated set 2, code 0xba on isa0060/serio0).
[ 62.081324] atkbd.c: Use 'setkeycodes e03a <keycode>' to make it known.

With Jolicloud robby (Kernel 2.6.32.9.1) I can control the brightness without a problem.

Its possible to control the brightness with "setpci -s 00:02.0 ...", but thats not very satisfying :-)

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic i686
Architecture: i386
Date: Sat Apr 10 20:32:33 2010
DkmsStatus:

InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Beta i386 (20100318)
MachineType: LENOVO S10-3
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic root=UUID=a1895243-3946-4ea2-821a-5615e7493746 ro quiet splash
ProcEnviron:
 LANG=de_DE.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 02/03/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 2ACN21WW
dmi.board.name: Mariana3A
dmi.board.vendor: Lenovo
dmi.board.version: Rev 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Lenovo
dmi.chassis.version: Rev 1.0
dmi.modalias: dmi:bvnLENOVO:bvr2ACN21WW:bd02/03/2010:svnLENOVO:pnS10-3:pvrLenovo:rvnLenovo:rnMariana3A:rvrRev1.0:cvnLenovo:ct10:cvrRev1.0:
dmi.product.name: S10-3
dmi.product.version: Lenovo
dmi.sys.vendor: LENOVO
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: lucid
 architecture: i686
 kernel: 2.6.32-19-generic

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