Re: [PATCH] Make appletouch shut up when it has nothing to say

[Soeren Sonnenburg <kernel@nn7.de>]

On Sun, 2007-05-13 at 20:57 +0100, Matthew Garrett wrote:
> Ok, I've tidied this up a little. I've separated the actual mode init 
> code into a separate function in order to avoid code duplication, and no 
> longer creating a new workqueue. The only other change is something that 
> I /think/ is actually a bug in the driver to begin with, but I'd like 
> some more feedback on that first - the first packet sent after the mode 
> change has 0x20 in the final byte. This seems to be interpreted as a 
> left mouse button press. As a result, moving the touchpad sends a false 
> press after every reinitialisation, or (approximately) every time the 
> pointer is moved. As far as I can tell this also happens with the 
> existing code, but is probably not noticable there because it won't 
> appear again after the first touch on the pad. Just skipping that case 
> seems to work fine.

This patch indeed fixes the problem and I have yet to observe problems
with it... However I don't know whether a re-init is the intended way of
dealing with it...

Soeren
-- 
Sometimes, there's a moment as you're waking, when you become aware of
the real world around you, but you're still dreaming.