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 Post subject: Ubuntu Maverick, N150, elantech touchpad and vertical scroll
PostPosted: 13/10/2010, 14:24 
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Joined: 13/10/2010, 13:07
Posts: 4
Hi all :)

First of all I would like to introduce myself: I come from Spain, I'm a programmer and I've been using Linux since 1993 more or less, developing free software, and I recently I bought a Samsung N150+ netbook, which works much much better thanks to voRia utilities.

The thing is that in a fresh install of the new Ubuntu Maverick the Elantech touchpad vertical scroll doesn't work. I've tried the workaround given here and that fixes my problem but introduces a new one: horizontal scroll stops working.

Is anyone suffering the same problem? The touchpad works perfectly under Windows 7 and I still haven't been able to test under a Maverick Live.

Thanks a lot :)
Raúl


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 16/10/2010, 12:30 
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Joined: 16/10/2010, 12:25
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I have the N150 on Maverick and I was struggling with the same scrolling problem until I read your post. Thanks a lot for sharing that workaround! This really made my day.

I also confirm that horizontal scrolling no longer works but at least vertical works perfectly now.

Hopefully there will be a fix for horizontal scrolling soon.


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 17/10/2010, 9:01 
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Joined: 16/10/2010, 12:25
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I should add the after rebooting my samsung, i need to apply the work around again. Rebooting seems to undo it :(


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 17/10/2010, 18:15 
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jawxies wrote:
I should add the after rebooting my samsung, i need to apply the work around again. Rebooting seems to undo it :(


Do you mean your /etc/modprobe.d/psmouse.whatever gets erased in each reboot? That doesn't happen in my Maverick :? BTW, in Maverick, "whatever" must be "conf", so the file should be psmouse.conf.


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 06/11/2010, 16:04 
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Joined: 16/10/2010, 12:25
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actually, i'm not sure what happens but I definitely need to run the work around every time after rebooting my Samsung.

I made the following script executable so it saves me a tiny little bit of time each time, but still, I wish i didn't have to do this after each reboot.

#!/bin/bash
sudo modprobe -r psmouse
sudo modprobe psmouse proto=imps

Any ideas to solve my problem are more than welcome :)


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 18/12/2010, 21:28 
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Joined: 18/12/2010, 21:23
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Hey, I found another solution, although it is not perfect

This worked for me on Ubuntu 10.10 with Samsung N150P with Elantech Touchpad.

I noticed that with dmesg | grep input - the touchpad was properly recognized and the correct driver was loaded. However synclient -l reported wrong right edge (for me it was 1099) .
I changed the edge with the following command:
Code:
synclient RightEdge=750


This fixes the right scrolling, although I could not get synclient -m 100 to work since I dont know how to enable SHMConfig for Elantech touchpads (all tutorials I googled for did not seem to work.)


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 02/01/2011, 20:18 
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Joined: 02/01/2011, 19:38
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by the way, i have known the touch-pad of samsung N150 supported muti-touch, but not work in the ubuntu os. how can i fix this problem?


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 17/01/2011, 1:43 
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Joined: 17/01/2011, 0:29
Posts: 22
DervishD wrote:
Hi all :)

First of all I would like to introduce myself: I come from Spain, I'm a programmer and I've been using Linux since 1993 more or less, developing free software, and I recently I bought a Samsung N150+ netbook, which works much much better thanks to voRia utilities.

The thing is that in a fresh install of the new Ubuntu Maverick the Elantech touchpad vertical scroll doesn't work. I've tried the workaround given here and that fixes my problem but introduces a new one: horizontal scroll stops working.

Is anyone suffering the same problem? The touchpad works perfectly under Windows 7 and I still haven't been able to test under a Maverick Live.

Thanks a lot :)
Raúl


+1 here exactly the same problem on the same machine. i've looked around for days until i found your post. obviously this is just a workaround since you're changing the elan drivers with an older generic version that works fine for 2 finger scrolling (i guess emulated) but doesnt have newer features like horizontal scrolling and pinch zoom. did you also have a very erratic and jumpy cursor with 2 fingers action? any possibility that a firmware update might fix it? let's hope somebody fixes this.


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 03/02/2011, 14:18 
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Joined: 03/02/2011, 14:00
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n3ko wrote on 2009-05-25: Re: [jaunty] elantech touchpad does not scroll #7
Quote:
You can make the module option permanent with this:

echo "options psmouse proto=imps" |sudo tee -a /etc/modprobe.d/psmouse

Later, when this bug is fixed, you can try to remove the /etc/modprobe.d/psmouse file.

Anakin Starkiller wrote on 2009-05-25: Re: [Bug 346645] Re: [jaunty] elantech touchpad does not scroll #8
Quote:
Actually, it's more like :
echo "options psmouse proto=imps" | sudo tee -a /etc/modprobe.d/options.conf

2009/5/25 n3ko <email address hidden>


....

I personally dont know if this works. I just thought id put it here.

Look what happens when you look at the entire thread ;)


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 06/02/2011, 4:09 
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Joined: 06/02/2011, 4:02
Posts: 3
The RightEdge setting was really helpful. I have an R540 and it worked there too.

Thanks


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 30/05/2011, 14:24 
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Joined: 16/12/2010, 15:31
Posts: 1
The rightedge setting also worked in my RV510, but i changed the position to 850 instead 750 for getting a smaller scrolling area.

$ synclient rightedge=850

You can change it until you find the better value for your touchpad.

The problem is this change is not permanent. For making it permanent, in those Ubuntu versions that don't have a xorg.cong file, this was that i did:

You have to edit this file: /usr/share/X11/xorg.conf.d/10-evdev.conf

When you open it, look for the section in that appears MatchIsTouchpad "on" and add a line like this:
option "rightedge" "850"

You have to get something like this:

Section "InputClass"
Identifier "evdev touchpad catchall"
MatchIsTouchpad "on"
MatchDevicePath "/dev/input/event*"
Driver "evdev"
option "rightedge" "850"
EndSection

Then, restart your computer and you'll see your vertical scrolling works.

I hope this have been useful for you!


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 27/10/2011, 13:49 
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Joined: 27/10/2011, 13:45
Posts: 1
I've just bought a N150 plus for a friend, and was beginning to despair about the erratic multitouch and lack of vertical scrolling, not too bothered about any of the other missing features, this fix has fixed all I needed! Thank you!!!


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 Post subject: Re: Ubuntu Maverick, N150, elantech touchpad and vertical sc
PostPosted: 02/11/2011, 13:09 
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Joined: 02/11/2011, 13:07
Posts: 1
Hi, guys, registered to thank you for the great solution provided in here. You've saved tones of my nerves and time with my N150!


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