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Subject: Re: request for opinion on synaptics, adb and powerpc
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Dmitry Torokhov <dtor_core@ameritech.net>
Cc: Peter Osterlund <petero2@telia.com>, Luca Bigliardi <shammash@artha.org>,
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       Vojtech Pavlik <vojtech@suse.cz>, linux-kernel@vger.kernel.org
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Date: Sat, 07 Jan 2006 16:49:03 +1100
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> > Ok, so what method should we use to "switch" ? sysfs isn't quite an
> > option yet as the ADB bus isn't yet represented there (unless we add
> > attributes to the input object, but that's a bit awkward as it would be
> > destroyed and re-created if I follow you). A module option would work
> > but adbhid isn't a module, thus that would basically end up as a static
> > kernel argument, unless the driver "polls" the module param regulary to
> > trigger the change.. I don't think there is a way for a driver to get a
> > callback when /sys/module/<driver>/parameters/* changes is there ?
> > 
> 
> Yes, there is, but I'd imagine static option would be just fine. After
> all you either use legacy applications or you don't. And if mousedev
> does not provide adequate emulation you switch to relative mothod.

I still don't like static options... it's always wrong to require
rebooting for whatever reason ...

Ben.


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