http://bugzilla.kernel.org/show_bug.cgi?id=13023
Zhang Rui <rui.zh...@intel.com> changed:
What |Removed |Added
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CC| |acpi-bugzi...@lists.sourcef
| |orge.net,
| |rui.zh...@intel.com
AssignedTo|acpi_power-vi...@kernel-bug |rui.zh...@intel.com
|s.osdl.org |
--- Comment #2 from Zhang Rui <rui.zh...@intel.com> 2009-04-07 02:39:34 ---
(In reply to comment #0)
> I have two problems:
>
> 1. I cannot control a backlight through keys: Fn+F8 (brightness down) and
> Fn+F9
> (brightness up). No ACPI events are occured by pressing these keys. If ACPI is
> off then i can control it.
>
this doesn't sounds good.
are there any i8042 interrupts when you pressing the hotkeys?
you can test like this, remote login and get the content of /proc/interrupts
bother before and after pressing the hotkeys.
> 2. My system doesn't have the backlight interface under /sys/class/backlight
> and /proc/acpi/video. Module 'video' is loaded.
Method (_BCL, 0, NotSerialized)
{
Return (Package (0x0A)
{
0x07,
0x00,
0x00,
0x01,
0x02,
0x03,
0x04,
0x05,
0x06,
0x07
})
}
Well, the backlight control method is buggy.
But this should be fixed by the new ACPI video fixes.
please do the test in comment #91 bug #12249, without step 1 and step 6, and
see if it helps
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