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Bug#576211: xserver-xorg-input-synaptics: ValuatorAxis limits are set from device limits



On Thu, Apr  1, 2010 at 17:30:28 +0200, Tibor Zenis wrote:

> Package: xserver-xorg-input-synaptics
> Version: 1.2.1-1
> Severity: important
> Tags: upstream patch
> 
> Hello,
> the synaptics driver set the ValuatorAxis limits to the device limits (like an
> absolute axis device - synaptics driver sends relative events) and the X
> pointer position can obtain only discrete values. The cursor moves by stairs.
> Example:
>   X-resolution: 1920
>   Touchpad: x-axis range 32 - 544
>     Only every  1920 / (544 - 32) = 3.75  column can be hit
> 
> 
> Next simple patch disables setup of the ValuatorAxis limits and after applying
> the patch the cursor moves smoothly with a pixel precision.
> 
Please forward your patch upstream to xorg-devel@lists.x.org.  Thanks!

Cheers,
Julien

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