Re: PowerBook5,8 - TrackPad update

From: Johannes Berg
Date: Wed Nov 16 2005 - 10:49:39 EST

On Wed, 2005-11-16 at 15:43 +0000, Parag Warudkar wrote:
> Ah and yes I forgot about the dual finger scrolling function - newer
> trackpads allow you to use 2 fingers to slide up and down to achieve
> scrolling. I don't see any code in current appletouch.c which handles
> this. We might be able to live without it for some time but maybe we
> can't as it might screw up the reporting if not handled. (PPC assembly
> is fun to work with :)

That's a pure driver function, and we didn't implement it because we
emulate synaptics. I think your erratically moving thing might be caused
by a relayout of the order, maybe you should try to observe the
interrupt transfers the device gives you in a systematic way like I did
with my python scripts? Those display the levels of each byte. Maybe
they changed to transmitting not bytes but words for each level?


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