Problem with LCD brightness buttons

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Revision as of 09:00, 3 January 2007 by Puyan (Talk | contribs) (Affected Models)
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Affected Models

A recent change in one of the newer Lenovo bios updates for (at least for the x60) seems to have swaped the acpi keycode for increasing brightness with the acpi code for swaping displays (err... primary to external I believe).

The undesireable behavior is that when trying to increase brightness, the display (for X) completely goes blank.

Bug reports:

https://bugs.freedesktop.org/show_bug.cgi?id=9355


Details:

  • Doesn't happen if acpid isn't running.
  • Doesn't happen if you are in a vtty until all acpi events (will post the code with some logs later) are processed.
  • The behavior of the display going out and not coming back may be related to the i810 driver.

Tested on:

  • Fedora Core 6 (same behavior)
  • Kubuntu Edgy 6.10 (same behavior)