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Message #42166
[Bug 1272777] Lspci.txt
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1272777/+attachment/3957324/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1272777
Title:
Elantech touchpads not fully supported for some Gigabyte laptops
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
This bug report is in addition to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1166442 - the
fixes suggested there (which work for others) have been tried but do
not work for a small subset of laptops, particularly the Gigabyte
U2442 series.
Description of the situation for my Gigabyte U2442V most recently
running 3.11.0-12-generic on Linux Mint.
I tried the updated module mentioned in the above bug report (1166442). It compiles and it detects an Elantech trackpad of *indeterminate version*. I get this in dmesg:
[859697.496141] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f01)
[859697.526011] psmouse serio1: elantech: Synaptics capabilities query result 0x58, 0x17, 0x0c.
[859697.765917] psmouse serio1: elantech: retrying ps2 command 0x0b (2).
[859698.470556] psmouse serio1: elantech: retrying ps2 command 0x0b (1).
I get no Synaptics driver functionality, and only basic touchpad
behaviour (motion and tap-to-click for left click, no scroll or
disabling the pad when typing, etc.).
It seems I don't have a v9 or v10 trackpad, I've never been able to
get a definitive indication of which version I have got.
The only thing that has remedied this problem for me in the past was
the one described in the original bug report (for elantech-v6 -
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/681904/comments/64)... but it no longer applies to newer
kernels...
With the 3.11.0-12-generic kernel, my Touchpad *is* detected, i.e. xinput shows:
↳ PS/2 Elantech Touchpad id=16 [slave pointer (2)]
and dmesg shows:
input: PS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input14
There are no useful touchpads settings evident in the normal Cinnamon
settings utility (gnome-control-center -> Mouse & Touchpads). I see a
touchpad settings option with the "gpointing-device-settings" app and
I can turn on vertical and horizontal scrolling in the interface, but
doing so does not in any way affect that actual touchpad behaviour.
I've also tried installing the elantech-v7 module via dkms (see
http://ubuntuforums.org/showthread.php?t=2111236&p=12850603#post12850603)
and it compiles, but it too fails to provide the desired
functionality.
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References