Tested with kernel 3.9.0-rc1 (http://kernel.ubuntu.com/~kernel- ppa/mainline/v3.9-rc1-raring/), and boot parameters "acpi_osi=Linux acpi_backlight=vendor".
Brightness buttons do change brightness up and down, but: 1. The on screen display is not displayed 2. After few clicks the machine freeze, requiring a hardware reset. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1132261 Title: Brightnesst keys do not work on Asus Eee PC X101CH To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1132261/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs