Keys that generate ACPI events
Phil Meyer
pmeyer at themeyerfarm.com
Mon Dec 3 22:28:10 UTC 2007
Marcelo Magno T. Sales wrote:
> Hi, people
>
> The Fn keys of my notebook do not generate scancodes, but ACPI events
> instead. I would like to map these events to X keysyms, so that the Fn
> keys are usable in X. How do I do that?
> The F8 kernel (2.6.23.1-49.fc8) and acpid get the ACPI events and logs
> messages like the following (F7 kernels and F7 acpid did not):
> ---------------------------------------------------------------------
> Dec 3 18:17:23 home-03 acpid: received event "hotkey ATKD 00000050
> 00000000"
> Dec 3 18:17:23 home-03 acpid: notifying client 2169[68:68]
> Dec 3 18:17:23 home-03 acpid: notifying client 2354[0:0]
> Dec 3 18:17:23 home-03 acpid: completed event "hotkey ATKD 00000050
> 00000000"
> Dec 3 18:17:23 home-03 acpid: received event "hotkey ATKD 00000051
> 00000000"
> Dec 3 18:17:23 home-03 acpid: notifying client 2169[68:68]
> Dec 3 18:17:23 home-03 acpid: notifying client 2354[0:0]
> Dec 3 18:17:23 home-03 acpid: completed event "hotkey ATKD 00000051
> 00000000"
> ---------------------------------------------------------------------
>
>
> Other Fn keys (the ones to control LCD brightness) produce errors like:
> ---------------------------------------------------------------------
> Dec 3 18:17:34 home-03 kernel: ACPI Error (psargs-0355):
> [\_SB_.PCI0.P0P2.VGA_.LCDD] Namespace lookup failure, AE_NOT_FOUND
> Dec 3 18:17:34 home-03 kernel: ACPI Error (psparse-0537): Method
> parse/execution failed [\_SB_.PCI0.SBRG.EC0_._Q0E] (Node f7d07f90),
> AE_NOT_FOUND
> Dec 3 18:17:35 home-03 kernel: ACPI Error (psargs-0355):
> [\_SB_.PCI0.P0P2.VGA_.LCDD] Namespace lookup failure, AE_NOT_FOUND
> Dec 3 18:17:35 home-03 kernel: ACPI Error (psparse-0537): Method
> parse/execution failed [\_SB_.PCI0.SBRG.EC0_._Q0F] (Node f7d07fa8),
> AE_NOT_FOUND
> ---------------------------------------------------------------------
>
> Is it possible to make these work?
>
> Thanks,
>
> Marcelo
>
>
The <FN>brightness keys work out of the box on all the laptops I have
built. I am no help there.
As for using other keys, in GNOME, you can map keys with:
System/Preferences/Personal/Keyboard Shortcuts
Fedora 8 recognized my laptop volume controls without having to do this. :)
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