More investigation: echo 60 > /sys/devices/virtual/backlight/acpi_video1/brightness results in a dim screen and /sys/devices/virtual/backlight/acpi_video1/actual_brightness being 60.
echo 59 > /sys/devices/virtual/backlight/acpi_video1/brightness results in a bright screen and /sys/devices/virtual/backlight/acpi_video1/actual_brightness being 100. I think this is a kernel bug. -- [hardy] HP dv2500t brightness keys behave strangely https://bugs.launchpad.net/bugs/178818 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
