eeePC 900 && turning off wireless (ath0)

[Matthias Apitz]

El día Friday, July 04, 2008 a las 04:40:02PM +0200, Matthias Apitz escribió:

> Hello Rui,
> 
> With your changes of acpi_asus.c in RELENG_7 the devd(8) and my
> hook-script in /usr/local/etc/devd/ath.conf sees the Fn+F2 now as the
> event "ACPI ASUS-Eee _SB_.ATKD", but it is anyway if Fn+F2 switches off
> or on the wireless NIC, the event for devd(8) is always the same;
> from the above event it is clear where
> the strings for system ACPI and subsystem ASUS-Eee come from, but I
> don't see where the string "_SB_.ATKD" is made; it must be derived
> from the 'notify' argument of the call
> 
>                 /* Notify devd(8) */
> 		acpi_UserNotify("ASUS-Eee", h, notify);
> 
> and I was hoping to distinguish it into two different events, one when
> Fn+F2 is switching off the NIC, and one of the case of switch on; any
> idea? thx

I have modified /usr/src/sys/dev/acpi_support/acpi_asus.c to see what
'notify' is send upstream to devd(8):

                /* Notify devd(8) */
                device_printf(sc->dev,
                    "Fn+F2 pressed, notify to devd(8) is %08x\n", notify);
                acpi_UserNotify("ASUS-Eee", h, notify);

and it turns out that in case of switching wireless of it is 0x00000011,
while on switch-on it is 0x00000010; but the devd(8) only sees both
events as '_SB_.ATKD'; I've grep'ed a lot around but can't see the place
where the hex events of acpi_UserNotify() are converted into the string
'_SB_.ATKD', any idea where to look;

for the devd(8) hook it would be essential to know if the wireless was
turned on of off, to load or unload the driver module if_ath.ko in that
case and bring the interface up again (which works fine if I do it by
hand);

	matthias

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Matthias Apitz
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