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evdev enables multitouch gestures
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dky
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Joined: 01 May 2009
Posts: 64

PostPosted: Tue Jun 17, 2014 8:53 am    Post subject: evdev enables multitouch gestures Reply with quote

Hi all,
I would like to enable multitouch gestures on my laptop.
This is my evdev config, found here on the forum:

Code:

Section "InputClass"
        Identifier "evdev pointer catchall"
        MatchIsPointer "on"
        MatchDevicePath "/dev/input/event*"
        Driver "evdev"
EndSection

Section "InputClass"
        Identifier "evdev keyboard catchall"
        MatchIsKeyboard "on"
        MatchDevicePath "/dev/input/event*"
        Driver "evdev"
EndSection

Section "InputClass"
        Identifier "evdev touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Option "TapButton1" "1"
        Option "TapButton2" "2"
        Option "TapButton3" "3"
        Option "VertEdgeScroll" "on"
        Option "VertTwoFingerScroll" "on"
        Option "HorizEdgeScroll" "on"
        Option "HorizTwoFingerScroll" "on"
        Option "CircularScrolling" "on"
        Option "CircScrollTrigger" "2"
        Option "EmulateTwoFingerMinZ" "40"
        Option "EmulateTwoFingerMinW" "8"
        Option "CoastingSpeed" "0"
        Option "EmulateTwoFingerMinZ"  "35"
        Option "EmulateTwoFingerMinW"  "8"
        Driver "evdev"
EndSection

Section "InputClass"
        Identifier "evdev tablet catchall"
        MatchIsTablet "on"
        MatchDevicePath "/dev/input/event*"
        Driver "evdev"
EndSection

Section "InputClass"
        Identifier "evdev touchscreen catchall"
        MatchIsTouchscreen "on"
        MatchDevicePath "/dev/input/event*"
        Driver "evdev"
EndSection


It seems that doesn't work, but looking at the Xorg.0.log I didn't find any errors or warnings.
Thanks
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audiodef
Watchman
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Joined: 06 Jul 2005
Posts: 6308
Location: /usr/lib64/lv2

PostPosted: Wed Jun 18, 2014 1:29 am    Post subject: Reply with quote

I thought synaptics handles multitouch?
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dky
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Joined: 01 May 2009
Posts: 64

PostPosted: Wed Jun 18, 2014 7:16 am    Post subject: Reply with quote

I've added synaptics in INPUT_DEVICES, and installed xf86-input-synaptics, but nothing.
I noticed that the touchpad is a 'PS/2 Logitech Wheel Mouse' device.
Could be this the problem?
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chithanh
Developer
Developer


Joined: 05 Aug 2006
Posts: 2152
Location: Berlin, Germany

PostPosted: Wed Jun 18, 2014 12:54 pm    Post subject: Reply with quote

For some touchpads, you need to enable the proper kernel drivers. Else they will be only recognized as simple pointing device. Alps and Elantech are the most popular models besides Synaptics.

Code:
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_CYPRESS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
CONFIG_MOUSE_PS2_ELANTECH=y
CONFIG_MOUSE_PS2_SENTELIC=y
CONFIG_MOUSE_PS2_TOUCHKIT=y
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dky
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Joined: 01 May 2009
Posts: 64

PostPosted: Wed Jun 18, 2014 9:15 pm    Post subject: Reply with quote

chithanh many many thanks, I've enabled the kernel drivers and now it works :-)
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