Re: [MOUSE] Alias for /dev/psaux
From: Linus Torvalds
Date: Wed Nov 05 2003 - 13:43:59 EST
On Wed, 5 Nov 2003, Vojtech Pavlik wrote:
> On Wed, Nov 05, 2003 at 09:36:28AM -0800, Linus Torvalds wrote:>
> > The alternative approach is to _not_ try to autodetect and leave it in a
> > sane default state - or at least leaving the detection to a minimum, but
> > having sane ways of letting the user set the thing.
> Would sysfs be a sane enough way?
I suspect sysfs would be a _good_ way to do it. I'm sure it could be
screwed up too, but I don't think it would necessarily be wrong to be able
echo imps2 > /sys/class/input/mouse/1/protocol
echo 200 > /sys/class/input/mouse/1/rate
or something similar.
> I still would prefer to have the autodetect be enabled, because it works
> for 99% of the cases and allow to set the mouse protocol manually
> (either boot time or via sysfs) for the troublesome cases.
I'm a big believer in having the "default behaviour" be as user-friendly
as possible. I do not believe in the mantra "we should do as little as
possible, and let the user set everything up".
> If psmouse.o is a module, the installer of course can ask the user.
I think that's a failure. For one thing, you need the module to even _let_
the user select the mouse type: you can't seriously expect installers for
normal users to not run graphically and with a mouse already?
In general, module parameters are _always_ a sign of failure. I don't know
of a single one that can be considered a "good thing". They are sometimes
required, but they should be required only for hardware that is just very
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