command $ sudo -u root -i $ cat /sys/class/backlight/acpi_video0/actual_brightness; echo 3 >> /sys/class/backlight/acpi_video0/brightness; cat /sys/class/backlight/acpi_video0/actual_brightness
will dump 99 99 --- that is, before and after the echo, actual_brightness is the same -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250401 Title: [Dell Inspiron 5737] brightness could not be controlled by the indicator applet "System settings -> Brightness and Lock"" but sysfs works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1250401/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
