** Description changed: The brightness system setting page does not effect the display brigthness and does not dispaly the currnet brightness. To reproduce: 1. Set brightness to 50 using (as root): echo 50 > /sys/class/backlight/psb-bl/brightness 2. Open System Settings > Brightness and Lock The slider display 100% (the last set value) instead of 50% 3. Modify the slider The screen brightness does not change - --- + + Further testing show that the brightness slider read and write + /sys/class/backlight/acpi_video0/brightness instead of + /sys/class/backlight/psb-bl/brightness. + + --- ApportVersion: 2.6.1-0ubuntu10 Architecture: i386 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: nirs 2057 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: nirs 2057 F.... pulseaudio DistroRelease: Ubuntu 12.10 HibernationDevice: RESUME=UUID=4cebec9a-7504-469c-8677-d25304edfd40 InstallationDate: Installed on 2012-06-08 (267 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) MachineType: ASUSTeK COMPUTER INC. X101CH MarkForUpload: True Package: linux (not installed) ProcFB: 0 psbfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-26-generic root=UUID=8a182610-1789-4b8d-b2e3-18f776104030 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.5.0-26.40-generic 3.5.7.6 RelatedPackageVersions: - linux-restricted-modules-3.5.0-26-generic N/A - linux-backports-modules-3.5.0-26-generic N/A - linux-firmware 1.95 + linux-restricted-modules-3.5.0-26-generic N/A + linux-backports-modules-3.5.0-26-generic N/A + linux-firmware 1.95 Tags: quantal Uname: Linux 3.5.0-26-generic i686 UpgradeStatus: Upgraded to quantal on 2013-02-22 (7 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 01/06/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X101CH.0501 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: X101CH dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: x.xx dmi.chassis.asset.tag: 0x00000000 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: x.x dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX101CH.0501:bd01/06/2012:svnASUSTeKCOMPUTERINC.:pnX101CH:pvrx.x:rvnASUSTeKCOMPUTERINC.:rnX101CH:rvrx.xx:cvnASUSTeKCOMPUTERINC.:ct10:cvrx.x: dmi.product.name: X101CH dmi.product.version: x.x dmi.sys.vendor: ASUSTeK COMPUTER INC.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1140581 Title: Brightness system settings do not work on Asus Eee PC X101CH To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140581/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs