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#1 2009-08-01 21:33:38

xdeusx
Member
Registered: 2007-10-15
Posts: 168

Two Finger Scrolling on Dell Studio 1555

I have a problem with the synaptics touchpad of my new Dell Studio 1555.

If I place two fingers on the touchpad, it seems that the driver can't handle two different regions being pressed at the same time.
It can't decide which region is being pressed und displays two flickering cursors on the screen.


synclient -m 15

time     x    y   z f  w  l r u d m     multi  gl gm gr gdx gdy
  58.928  2086 4338  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.947  2086 4342  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.962  2151  719 113 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.977  2087 4340  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.992  1895  719 113 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  59.008  2087 4340  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  59.038  1895  719 115 1  5  0 0 0 0 0  00000000   0  0  0   0   0

Adjusting the EmulateTwoFingerMinZ and EmulateTwoFingerMinW settings has no effect because the values keep switching back and forth.
Is there anything I can do? Or did anyone get this working properly on a Dell Studio 1555?

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#2 2009-08-01 22:13:56

wankel
Member
From: Iowa, USA
Registered: 2008-05-30
Posts: 218
Website

Re: Two Finger Scrolling on Dell Studio 1555

xdeusx wrote:

I have a problem with the synaptics touchpad of my new Dell Studio 1555.

If I place two fingers on the touchpad, it seems that the driver can't handle two different regions being pressed at the same time.
It can't decide which region is being pressed und displays two flickering cursors on the screen.


synclient -m 15

time     x    y   z f  w  l r u d m     multi  gl gm gr gdx gdy
  58.928  2086 4338  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.947  2086 4342  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.962  2151  719 113 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.977  2087 4340  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  58.992  1895  719 113 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  59.008  2087 4340  67 1  5  0 0 0 0 0  00000000   0  0  0   0   0
  59.038  1895  719 115 1  5  0 0 0 0 0  00000000   0  0  0   0   0

Adjusting the EmulateTwoFingerMinZ and EmulateTwoFingerMinW settings has no effect because the values keep switching back and forth.
Is there anything I can do? Or did anyone get this working properly on a Dell Studio 1555?

what are your EmulateTwoFingerMinZ/W settings?

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#3 2009-08-01 22:33:53

xdeusx
Member
Registered: 2007-10-15
Posts: 168

Re: Two Finger Scrolling on Dell Studio 1555

EmulateTwoFingerMinZ=80
EmulateTwoFingerMinW=7

But there is no constant value above the MinZ setting... Maybe it is a problem...
It is however possible to scroll with my whole thumb (exceeds the MinW value, only one finger on the touchpad)

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#4 2009-08-02 00:10:56

wankel
Member
From: Iowa, USA
Registered: 2008-05-30
Posts: 218
Website

Re: Two Finger Scrolling on Dell Studio 1555

xdeusx wrote:

EmulateTwoFingerMinZ=80
EmulateTwoFingerMinW=7

But there is no constant value above the MinZ setting... Maybe it is a problem...
It is however possible to scroll with my whole thumb (exceeds the MinW value, only one finger on the touchpad)

try MinW=5

Last edited by wankel (2009-08-02 00:11:26)

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#5 2009-08-02 10:58:52

xdeusx
Member
Registered: 2007-10-15
Posts: 168

Re: Two Finger Scrolling on Dell Studio 1555

I guess the xorg update from today fixed it.
The values shown by "synclient -m 15" are different and usable.
Thanks for your help anyways!

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