http://bugzilla.kernel.org/show_bug.cgi?id=11999
[EMAIL PROTECTED] changed:
What |Removed |Added
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AssignedTo|[EMAIL PROTECTED] |[EMAIL PROTECTED]
|bugs.osdl.org |
Status|NEW |ASSIGNED
------- Comment #3 from [EMAIL PROTECTED] 2008-11-09 23:56 -------
the acpidump shows that _DOS is not available on this laptop.
And according to ACPI spec, " _DOS is required if the system supports display
switching or LCD brightness control."
currently ACPI video driver is used for backlight control.
No ACPI video device will be added If _DOS doesn't exist.
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