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Latitude 7400: trackpad issues


MatiWaldi

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Hi
I''ve done further testing on my Latitude 7400 which works almost perfectly except the TouchPad.
When using Voodoo PS2, the TouchPad works as a mouse, buttons are functional, drag & drop OK but unfortunately not the 2 or 3 finger gestures
I've tried then to test HID and follow the guide https://voodooi2c.github.io
using SSDT patching:

External (GPHD, FieldUnitObj)
Scope (\)
{
    If (_OSI ("Darwin"))
    {
        GPHD = 0x0F
    }
    Else
    {

the TouchPad is now functional with 2/3 finger gestures, scrolling OK..but unfortunately not the drag & drop or buttons.

 

is there any idea to improve this.? did I miss anything?

Screenshot 2020-12-06 at 18.34.15.png

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