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Thread: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

  1. #141
    Join Date
    Oct 2008
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Quote Originally Posted by absolutezero1287 View Post
    I have the same touchpad on my Lenovo Ideapad Z560. What worked for me was the following:
    Code:
    sudo rmmod psmouse
    sudo modprobe psmouse proto=imps
    In order to make the change permanent you must add a file to /etc/modprobe.d/. The file must have .conf at the end. I named my file touchpad.conf. The file must have the following line:
    options psmouse proto=imps

    Hope this helps.
    The idea of this thread is to get away from ImPS/2 Logitech Wheel mouse because it's the wrong protocol for elantech... Are you sure it's an elantech touchpad in your thinkpad? I thought they used true Synaptics or Alps.

  2. #142
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Quote Originally Posted by ALLurGroceries View Post
    The idea of this thread is to get away from ImPS/2 Logitech Wheel mouse because it's the wrong protocol for elantech... Are you sure it's an elantech touchpad in your thinkpad? I thought they used true Synaptics or Alps.
    I'm positive that my touchpad is elantech. I never said that my solution was a permanent one but it works. Either way, I don't really care because my touchpad works fine. I can scroll up and down, double click with the touchpad, and everything. It works the way a touchpad should. Why not test it? What's the worse that could happen from loading and unloading a module with different arguments?

    Edit:

    Code:
    root@satori:/etc/modprobe.d# grep -i elantech /var/log/messages 
    Sep 12 06:45:26 satori kernel: [    7.065055] elantech.c: assuming hardware version 1, firmware version 20.0
    Sep 12 06:45:26 satori kernel: [    7.144405] elantech.c: Synaptics capabilities query result 0x68, 0x18, 0x0c.
    Sep 12 06:45:26 satori kernel: [    7.610458] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input8
    Sep 12 08:01:10 satori kernel: [    9.420876] elantech.c: assuming hardware version 1, firmware version 20.0
    Sep 12 08:01:10 satori kernel: [    9.480618] elantech.c: Synaptics capabilities query result 0x68, 0x18, 0x0c.
    Sep 12 08:01:10 satori kernel: [    9.926175] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input8
    Last edited by absolutezero1287; September 14th, 2010 at 09:00 PM. Reason: I hope this proves that I know what I'm doing!
    Ubuntu unleashed

    If you're unsure what a command does then type
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    man command

  3. #143
    Join Date
    Oct 2008
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    LOL I didn't mean to get you all flustered, I see you have an elantech touchpad, I didn't know lenovo was using them. Anyway, there are patches for this, so the issue has been resolved for some time, the thread really should be [SOLVED].

    I'll post the link again, since it tends to get lost in all these replies: http://ubuntuforums.org/showpost.php...1&postcount=44

  4. #144
    Join Date
    Aug 2006
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    Ubuntu 12.04 Precise Pangolin

    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Quote Originally Posted by ALLurGroceries View Post
    You're on a dell mini, did you force the version by manually editing the patch as in step 5.5?

    In the output from
    Code:
    grep -i elantech /var/log/messages
    You should see lines like 'elantech: assuming hardware version...' and 'synaptics capabilities query result'.
    I did force the version as instructed, but there is no mention of 'elantec in messages'. In fact, 'grep -i elantech /var/log/*' returns nothing.

  5. #145
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    Oct 2008
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Quote Originally Posted by mikewhatever View Post
    I did force the version as instructed, but there is no mention of 'elantec in messages'. In fact, 'grep -i elantech /var/log/*' returns nothing.
    Hm, try tailing messages when you insmod.. in one window:
    Code:
    tail -f /var/log/messages
    In another, cd to your linux source directory and:
    Code:
    sudo modprobe -r psmouse
    sudo insmod drivers/input/mouse/psmouse.ko
    If it gives an error, you'll have a clue, or if it says ImPS/2 there's a problem somewhere, double check your patched file (or start from scratch).

    Bender2k14 posted a patch here that you could use after the other patches. But it's the same thing as editing it manually.

    If your mouse stops working:
    Code:
    sudo modprobe -r psmouse;sudo modprobe psmouse

  6. #146
    Join Date
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Did this:
    sudo modprobe -r psmouse
    sudo insmod drivers/input/mouse/psmouse.ko

    and the only output in 'messages' is as follows:

    [36014.316381] input: ImPS/2 Logitech Wheel Mouse as /devices/platform/i8042/serio1/input/input10
    I'll try the whole thing again.

  7. #147
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Redone, yet the result is as described earlier.

  8. #148
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Quote Originally Posted by mikewhatever View Post
    Redone, yet the result is as described earlier.
    Ah, patchwork.kernel.org is down. That's probably why -- your patch files are probably empty, yeah?

    I uploaded a copy of the patched file, from your kernel source directory:
    Code:
    wget -O drivers/input/mouse/elantech.c http://pastebin.com/download.php?i=i6uPx1vb
    This replaces step 5. You'll still need to edit it to force version 2 as in step 5.5.

    To be absolutely sure that step 6 works, you should first delete the old object files from the previous build:
    Code:
    rm drivers/input/mouse/*.o

  9. #149
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    Ubuntu 12.04 Precise Pangolin

    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Hm..., no, the patch files are not empty. All four have stuff in them.

  10. #150
    Join Date
    Apr 2006
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    Re: Elantech touchpad improperly recognized as “ImPS/2 Logitech Wheel Mouse”

    Thanks so much! Worked great on my dell mini 10. Much appreciated.

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