Touchpad can not smooth to move mouse

[Jim Gettys]

Note also that Shiga-san has asked us to force a recalibration whenever
the laptop goes onto or off of power, or is resumed after a likely move
(e.g. when the lid is reopened after a long suspend), as the environment
the touchpad is working in may have significantly changed.  The
touchpads in B4 and later should recalibrate on their own, but cannot be
aware of events like those that really represent a major change of the
environment.

http://dev.laptop.org/ticket/1407 documents this; now that we have the
OHM hardware manager, this implementation should be pretty easy.

Anyone interested in getting their fingers wet with OHM feel free to go
ahead and write an ohm plugin for this.
                           - Jim


On Tue, 2007-07-24 at 14:25 -0400, MBurns wrote:
> 
> 
> On 7/23/07, Luna.Huang at quantatw.com <Luna.Huang at quantatw.com > wrote:
>         No, I never have.
>         Sorry. Could you describe it?
>         I don't know how to do it.
> 
> The four-fingered salute is pressing the four corners of the keyboard
> (the (X), the square, the end/right arrow and the FN key
> simultaneously. You can press them in any order, but the FN must be
> last. This tells the mousepad to recalibrate itself, which can be
> useful when you move the XO from different surfaces and the pointer
> beings awkwardly jumpy. 
> 
> http://wiki.laptop.org/go/Four_finger_salute
> 
> 
> -- 
> Michael Burns
> One Laptop Per Child
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-- 
Jim Gettys
One Laptop Per Child