Generic hotkey script (was: Re: Panasonic acpi driver)

Anish Mistry mistry.7 at osu.edu
Tue Jul 27 10:04:38 PDT 2004


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On Saturday 24 July 2004 06:13 pm, Philip Paeps wrote:
> On 2004-07-21 09:38:02 (-0700), Nate Lawson <nate at root.org> wrote:
> > I don't want us to import any device-specific hotkey scripts (i.e., asus,
> > panasonic, toshiba, etc.) but instead have a single general-purpose
> > script and have the kernel translate device-specific tables of hotkey
> > values to generic ones.  That way a single script can look for the
> > generic "volume up/down" buttons and act accordingly.
> >
> > Please email me if you're interested in working on that.
>
> I've been thinking about this a while ago, but it somehow got itself stuck
> on my 'maybe later' stack.  My idea was to have devd do the magic here. 
> Agree on some constants (ACPI_VOLUME_UP, ACPI_VOLUME_MUTE,
> ACPI_HOTKEY_1,...) that the specific drivers could send to devd using
> acpi_UserNotify().
>
> We could then have a devd script (much like we also have power_profile, or
> we could rename that to 'acpi_event' or something similar) to catch these
> events.
>
>   notify 10 {
>           match "system"          "ACPI";
>           match "subsystem"       "HOTKEY";
>           action "/etc/rc.d/acpi_event $notify";
>   };
>
> To avoid having a notify section for every different device specific acpi
> driver, we could either have them all be ACPI_MODULE_NAME("HOTKEY"), or we
> could register them under an umbrella hotkey driver.  The latter approach
> might be nicer.  Then we could also add other non-acpi hotkey gadgets (ir
> remote controls maybe? :-)) under it?
>
> I'd be interested in hacking at this.
>
>  - Philip
This would be nice.  I'd be able to put some time into this since it would be 
good to get it committed before the freeze.  I think the 
ACPI_MODULE_NAME("HOTKEY") way would be best for now since you could always 
just have other non-acpi devices use another devd entry that would just call 
the acpi_hotkey script action.  I'll try on modifying my script for the 
acpi_fuji driver to be generic.

- -- 
Anish Mistry
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