[Bug 581834] Re: brightness of display on lenovo thinkpad T60 does not work properly

[Jean-Baptiste Lallement]

Thanks for your report.

However, you said you've upgraded from Intrepid to Lucid, I suppose you serially upgraded from intrepid to jaunty then jaunty to karmic then karmic to lucid.
Was the brightness control working in jaunty and karmic
Did you try Maverick and is it still an issue ?

** Package changed: ubuntu => kdebase-workspace (Ubuntu)

** Also affects: kdebase-workspace (Ubuntu Lucid)
   Importance: Undecided
       Status: New

** Changed in: kdebase-workspace (Ubuntu Lucid)
       Status: New => Confirmed

** Tags added: regression-release
** Tags removed: regression-potential

** Description changed:

  Since the upgrade from intrepid to lucid, the energyprofiles in KDE dont
  work properly on my lenovo T60.
  
  Whenever a new profile is activated, display goes to lowest brightness.
  When I use the function keys I can dim brighter, but the onscreen
  display does not show the brightness.
  
  Every event that occurs in the profile will dim the display to low
  brightness again.
+ 
+ == Regression details ==
+ Discovered in version: Lucid
+ Last known good version: Intrepid (?)
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-22-generic 2.6.32-22.33
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-22-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  ArecordDevices:
-  **** List of CAPTURE Hardware Devices ****
-  card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
-    Subdevices: 1/1
-    Subdevice #0: subdevice #0
+  **** List of CAPTURE Hardware Devices ****
+  card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  gwahl      1565 F.... knotify4
-                       gwahl      1602 F.... kmix
-                       gwahl      1613 F.... amarok
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  gwahl      1565 F.... knotify4
+                       gwahl      1602 F.... kmix
+                       gwahl      1613 F.... amarok
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
-  Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 17'
-    Mixer name	: 'Analog Devices AD1981'
-    Components	: 'HDA:11d41981,17aa2025,00100200'
-    Controls      : 21
-    Simple ctrls  : 12
+  Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 17'
+    Mixer name	: 'Analog Devices AD1981'
+    Components	: 'HDA:11d41981,17aa2025,00100200'
+    Controls      : 21
+    Simple ctrls  : 12
  Card29.Amixer.info:
-  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 79HT45WW-1.04'
-    Mixer name	: 'ThinkPad EC 79HT45WW-1.04'
-    Components	: ''
-    Controls      : 2
-    Simple ctrls  : 1
+  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 79HT45WW-1.04'
+    Mixer name	: 'ThinkPad EC 79HT45WW-1.04'
+    Components	: ''
+    Controls      : 2
+    Simple ctrls  : 1
  Card29.Amixer.values:
-  Simple mixer control 'Console',0
-    Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
-    Playback channels: Mono
-    Limits: Playback 0 - 14
-    Mono: Playback 8 [57%] [on]
+  Simple mixer control 'Console',0
+    Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
+    Playback channels: Mono
+    Limits: Playback 0 - 14
+    Mono: Playback 8 [57%] [on]
  Date: Mon May 17 18:53:22 2010
  HibernationDevice: RESUME=UUID=6ec7bd66-1e47-4dcf-8b0e-d9cc03a5cb02
  InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
  MachineType: LENOVO 1951WBX
  PccardctlIdent:
-  Socket 0:
-    no product info available
+  Socket 0:
+    no product info available
  PccardctlStatus:
-  Socket 0:
-    no card
+  Socket 0:
+    no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=bb09f116-e058-4864-99ea-c5923cff8e16 ro quiet splash
  ProcEnviron:
-  LANGUAGE=
-  PATH=(custom, user)
-  LANG=de_DE at euro
-  SHELL=/bin/bash
+  LANGUAGE=
+  PATH=(custom, user)
+  LANG=de_DE at euro
+  SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34
  SourcePackage: linux
  dmi.bios.date: 06/12/2006
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 79ET62WW (1.07 )
  dmi.board.name: 1951WBX
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr79ET62WW(1.07):bd06/12/2006:svnLENOVO:pn1951WBX:pvrThinkPadT60:rvnLENOVO:rn1951WBX:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 1951WBX
  dmi.product.version: ThinkPad T60
  dmi.sys.vendor: LENOVO

** Changed in: kdebase-workspace (Ubuntu)
       Status: New => Incomplete

-- 
brightness of display on lenovo thinkpad T60 does not work properly
https://bugs.launchpad.net/bugs/581834
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