It's already passed upstream if you take a look at it. Are you sure it's: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" acpi_backlight=vendor and not: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" ??
For me the latter one works. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/925690 Title: Screen brightness adjust hotkeys don't work with an Acer 5755G laptop To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/925690/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
