Re: Touchpad and i8042

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On Saturday 19 May 2007 11:42, Matthew Garrett wrote:
> On Sat, May 19, 2007 at 06:28:08PM +0300, Mircea Bardac wrote:
> 
> > I've noticed a weird behaviour when monitoring roughly the number of 
> > interrupts fired. The number of interrupts for "i8042" increase dramatically 
> > when I move the pointer using the touchpad.
> 
> The touchpad is attached to an i8042. When you touch it, it sends data 
> and generates interrupts. That's perfectly normal.

Yep. With Synaptics touchpad that by default has 80 pps @ 6 bytes per
packet you should be getting ~480 interrupts per second.

-- 
Dmitry
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