https://bugzilla.kernel.org/show_bug.cgi?id=42833
Len Brown <l...@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |acpi-bugzilla@lists.sourcef
| |orge.net
Component|Other |Power-Video
AssignedTo|acpi_ot...@kernel-bugs.osdl |rui.zh...@intel.com
|.org |
--- Comment #1 from Len Brown <l...@kernel.org> 2012-03-06 02:31:45 ---
the problem is that the BIOS advertises ACPI video brightness control,
and so Linux loads the acpi_video driver, but the support is not
working.
This could be a problem either in the BIOS or in the acpi_video driver,
but is is most likely a BIOS issue.
please attach the output from acpidump so we can confirm.
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