Re: kernel 2.6.1 synaptics problems tapping and tap'n'drag

[Vojtech Pavlik <vojtech@suse.cz>]

On Fri, Jan 09, 2004 at 11:04:30PM +0000, Jon Westgate wrote:
> Hi,
> I'm not sure if this is the right place to ask but if I run 2.6.1
> I get mouse problems that I didn't get with 2.6.0
> I'm running a compaq m300 (600MHz PIII) with a synaptics touch pad.
> 
> In 2.6.0 there was an option to include or not include support for the 
> synaptics touchpad (I found that my touchpad worked just fine with that 
> option unchecked) in 2.6.1 that option is nolonger there.
> 
> In 2.6.1 I find that the operation of the mouse is very erratic its 
> almost impossible to take your finger off the pad without the cursor 
> moving, Tapping doesn't work, The pad seems very accelerated (ie you 
> drag your finger a short distance and the cursor is at the other side of 
> the screen before you know it), Lastly if you dragged your finger to the 
> edge of the pad it used to continue on smoothly. This no longer works.
> 
> My question is:
> Is there a command line or append option I can put in lilo.conf to 
> prevent the synaptics driver from trying to reprogram my touchpad? I 
> quite like its default behavior. There is definatly something trying to 
> reprogram it as I have to turn off my laptop for it's behavior to return 
> to normal. Even if I reset it still needs a power cycle to fix it.
> dmesg says my touchpad is this:
> input: PS/2 Synaptics TouchPad on isa0060/serio4
> 
> I'm not running any special drivers or settings in XF86Config
> I just have /dev/input/mice setup with protocol set as ImPS/2

The default simple backward-compatibility mousedev module doesn't
support taps and drags. You need the XFree86 synaptics driver from
http://w1.894.telia.com/~u89404340/touchpad/index.html. It'll work
together with the in-kernel driver and give you all the features the pad
has.

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR