[Bug 277534] Re: No action when closing screen on HP 530

[pavel]

Ubuntu 12.04lts.

Before 3.x.x this bug could be solved by echo '1' >
/proc/acpi/video/..../DOS. But now /proc/acpi/video folder is deprecated
and does not exists. Solution does not work. At least I could not find
anything "DOS" related in /sys/class folder. So
/proc/acpi/button/lib/.../state is always 'open'.

Does anyone know workaround or solution for 3.x.x kernels? Thanks in
advance.

Btw, does anyone know which part of the system caused this problem? Some
kernel module?

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https://bugs.launchpad.net/bugs/277534

Title:
  No action when closing screen on HP 530

Status in “acpid” package in Ubuntu:
  Invalid
Status in “hotkey-setup” package in Ubuntu:
  Fix Released
Status in “hotkeys” package in Arch Linux:
  Invalid

Bug description:
  After upgrading to Ubuntu 8.10, my HP 530 laptop fails to suspend/blank screen when closed.
  I did not have this problem with 8.04, it appeared after the upgrade.

  What should happen:
  Closing the laptop lid/screen should turn of the screen while on AC-power, or suspend/hibernate while on battery.

  What happens:
  Nothing. Ubuntu doesn't seem to notice that screen is closed.

  Se also: http://ubuntuforums.org/showthread.php?t=927237
  Other HP 530 users are experiencing the same problem.

  Thanks for any help :)

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