Messages in this thread | | | Date | Thu, 18 Jul 2002 17:31:32 +0200 | From | Vojtech Pavlik <> | Subject | Re: input subsystem config ? |
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On Thu, Jul 18, 2002 at 05:28:29PM +0200, Stelian Pop wrote: > On Thu, Jul 18, 2002 at 05:15:31PM +0200, Vojtech Pavlik wrote: > > > > If I do not disable the 'return -1', the mouse will not be found at > > > all, and moving it will get no messages in the logs... > > > > Ok, that's what I wanted to know - I was wondering whether the mouse > > would simply ignore all control commands. And it doesn't not. It needs > > the commands, > > I'm not sure about that. It will not work if I do not disable the > 'return -1' because the irq will get freed, so the driver will have > no chance to get any mouse event.
Actually, no. It also polls the chip repeatedly without needing an irq, so it can receive bytes even when no irq happens.
> > but doesn't send any replies. > > Maybe I should put some debug statements in the pc_keyb.c interrupt > handler and see if the mouse does answer the control commands ?
That's a good idea, yes.
> > Can you check what happens if you use an external mouse together with > > the internal one? > > > > I suspect both will work OK. > > External like in 'external PS/2' mouse ? Bad luck, this laptop > has no PS/2 (or serial) port. :-(
Ok.
> I can plug in a USB mouse, but I doubt it will show any useful > information...
No, it won't.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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