[parisc-linux] Re: [PATCH] 2.4.24-pre3 obmouse driver for HP OB600 C/CT laptop

[parisc-linux] Re: [PATCH] 2.4.24-pre3 obmouse driver for HP OB600 C/CT laptop

[Helge Deller]

On Friday 09 January 2004 06:55, Grant Grundler wrote:
> On Mon, Jan 05, 2004 at 03:26:26PM +0100, Helge Deller wrote:
> > With the input-driver you can directly give the absolute coordinates
> > (no need to do conversion yourself),
> 
> I looked at Documentation/input/* and REL_ABS can not deal
> with "roll-over". It's expects fixed values to define the range
> of motion. That's not true for obmouse.
> AFAICT, only real tablets and joysticks fit that model well.

yes, maybe. I don't know obmice's details.

> I have the feeling /dev/input is a bit more "heavy weight" based
> on the number of function calls in ob_interrupt. But I'm not sure
> it matters. This is just for fun and it works too.

Hmm, the calls are pretty fast iirc..
See also my other mail.

Helge

Re: [parisc-linux] Re: [PATCH] 2.4.24-pre3 obmouse driver for HP OB600 C/CT laptop

[Helge Deller]

Sorry, this mail was meant to go to Grant directly....

Helge

On Friday 09 January 2004 20:04, Helge Deller wrote:
> On Friday 09 January 2004 06:55, Grant Grundler wrote:
> > On Mon, Jan 05, 2004 at 03:26:26PM +0100, Helge Deller wrote:
> > > With the input-driver you can directly give the absolute coordinates
> > > (no need to do conversion yourself),
> > 
> > I looked at Documentation/input/* and REL_ABS can not deal
> > with "roll-over". It's expects fixed values to define the range
> > of motion. That's not true for obmouse.
> > AFAICT, only real tablets and joysticks fit that model well.
> 
> yes, maybe. I don't know obmice's details.
> 
> > I have the feeling /dev/input is a bit more "heavy weight" based
> > on the number of function calls in ob_interrupt. But I'm not sure
> > it matters. This is just for fun and it works too.
> 
> Hmm, the calls are pretty fast iirc..
> See also my other mail.
> 
> Helge