With the kernel paramater acpi_backlight=vendor: ls /sys/class/backlight > vendorbacklight
** Attachment added: "vendorbacklight" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320412/+attachment/4114166/+files/vendorbacklight -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320412 Title: [Lenovo IdeaPad y510p] Brightness settings do not affect the actual display brightness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320412/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
