[Bug 603875] [NEW] cannot change brightness in HP 6735s

[Tommy_CZ]

Public bug reported:

Hi, I upgraded kernel in kubuntu 10.04 to 2.6.32-23 and from that, the brightness cannot be changed. In 2.6.32-23 it was ok...
Thanks :o)

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-23-generic 2.6.32-23.37
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-23-generic x86_64
NonfreeKernelModules: wl fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: SB [HDA ATI SB], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: SB [HDA ATI SB], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  januli     2004 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0x94400000 irq 16'
   Mixer name	: 'Analog Devices AD1984A'
   Components	: 'HDA:11d4194a,103c3613,00100400 HDA:11c11040,103c1378,00100200'
   Controls      : 18
   Simple ctrls  : 11
Date: Sat Jul 10 08:47:02 2010
HibernationDevice: RESUME=/dev/sda5
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-23-generic root=UUID=a9b40f16-8179-4500-9169-e4da2d52826f ro quiet splash
ProcEnviron:
 LANGUAGE=
 PATH=(custom, no user)
 LANG=cs_CZ.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.1
RfKill:
 1: hci0: Bluetooth
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
dmi.bios.date: 03/05/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68GPP Ver. F.09
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 30E4
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 94.1E
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68GPPVer.F.09:bd03/05/2009:svnHewlett-Packard:pn:pvrF.09:rvnHewlett-Packard:rn30E4:rvrKBCVersion94.1E:cvnHewlett-Packard:ct10:cvr:
dmi.product.version: F.09
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug lucid needs-upstream-testing regression-release resume suspend

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cannot change brightness in HP 6735s
https://bugs.launchpad.net/bugs/603875
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