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

[shmup]

Hello!

Are there any progress with this Elantech driver here? The above described methods do not work for me, my touchpad is always detected as PS/2 Logitech Mouse.

I use a Samsung QX310 laptop with Elantech touchpad. Ubuntu 10.10, kerr 2.6.35-28-generic.

Glad to see you tried it. I was just about to, on my Samsung RF510. I'm really hoping there is a solution for you and I.

Can't believe one hasn't been posted at:

http://askubuntu.com/questions/29200...h-wheel-mouse/

[cichy69]

I do some research on my own, correct me if i'm wrong:
1. there is a kernel module responsible for detecting a mouse/touchpad and loading a proper driver
2. there is a driver which is responsible for working of the elantech hardware in file `elantech.c`
3. this driver used some data called `magic knock` to find elantech touchpads. In fact i found this function in the source code:

/*
 * Use magic knock to detect Elantech touchpad
 */
int elantech_detect(struct psmouse *psmouse, bool set_properties)
{
    ....
}

i'm not fluent in c code but there is an interesting comment from the author:

  
  /*
   * Query touchpad's firmware version and see if it reports known
   * value to avoid mis-detection. Logitech mice are known to respond
   * to Elantech magic knock and there might be more.
   */

but real detection is carried out in this function (i think):

 
if (param[0] != 0x3c || param[1] != 0x03 || param[2] != 0xc8) 
{
                pr_debug("unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
                         param[0], param[1], param[2]);
              return -1;
}

i tried the 'brute force' approach and just commented above `return -1;` and got touchpad detected correctly as `Elantech Touchpad`, but that `patch` didn't solve the original problem. despite the fact that the touchpad was detected correctly, still the functionality was impaired (inability to move the pointer). the only things that worked were: left and right mouse clicks.


any1, any thoughts?

[ALLurGroceries]

There are a few bugs for the samsungs, I've tried brute forcing it also and that didn't work (but I don't have access to one of those machines now):
https://bugs.launchpad.net/ubuntu/+s...el/+bug/681904

[cichy69]

Errors are reported, and we can only waiting for a solution from Kernel team

Is there a way to disable the touchpad while typing on the keyboard? I found couple tutorials but all these methods assume that the synaptics driver is loaded ...

[AureiAnimus]

I'm having the same problem. The touchpad works, but it's terribly sensitive while typing and multitouch doesn't work. (My laptop is an Asus K53sv)

aEditing /etc/modprobe.d/psmouse.conf didn't work.
Anything further i could try?

[frigginacky]

I too have the same issue on an Asus K53SV (Natty, kernel 2.6.38-8). It's the one thing on this laptop I haven't been able to get working.

[AureiAnimus]

I too have the same issue on an Asus K53SV (Natty, kernel 2.6.38-8). It's the one thing on this laptop I haven't been able to get working.

Then you might be interested to know, I managed to switch it on/off with a shortcut linked to a script.
I followed this: http://ubuntuforums.org/showthread.php?t=1629433
until "Making the magic happen automatically:" and then linked the script to a shortcut.

Make sure you set the touchPadID this way and use "Wheel" as touchpadString

touchpadID=$(xinput list | grep $touchpadString | awk -F " " '{print $7}' | awk -F "=" '{print $2}')

[shadowninty]

Cant get my elantech touchpad recognised properly here either
Really need multitouch

[mkquist]

make -C /usr/src/linux-headers-`uname -r` SUBDIRS=`pwd` drivers/input/mouse/psmouse.ko ok not to sound too noob, whats the pwd stand for... really would like to get this working...

[shadowninty]

I use synclient to adjust my touchpad settings on my asus UL30A. You can enter into a terminal

synclient -l

This will provide a list of current settings for the touchpad. For instance, you may see TapButton2=3, which means a three-finger strike will trigger mouse button 2. You can change that to two-finger strike triggers button 2 by entering the following code:

synclient TapButton2=2

You can extrapolate this to any of the options present there. Check the man synclient for more info.

Hope this helps.

I love you. Thank You so much