Public bug reported:
when I use kernel version 4.10.0-42-generic touchpad work as requested
(two finger scroll & tap to click activated).
When I use Kernel 4.13.0-26-generic which system ask me to upgrade on,
two finger scroll & tap to click activated but touchpad doesn't work
with.
GOOD:
4.10.0-42-generic
xinput
kam@kam-Flex-3-1580:~$ xinput
⎡ Virtual core pointer id=2 [master
pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ELAN Touchscreen id=11 [slave pointer
(2)]
⎜ ↳ AlpsPS/2 ALPS GlidePoint id=14 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master
keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave
keyboard (3)]
↳ Video Bus id=7 [slave
keyboard (3)]
↳ Video Bus id=8 [slave
keyboard (3)]
↳ Sleep Button id=9 [slave
keyboard (3)]
↳ Lenovo EasyCamera id=10 [slave
keyboard (3)]
↳ Ideapad extra buttons id=12 [slave
keyboard (3)]
↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
kam@kam-Flex-3-1580:~$
=======================
BAD:
4.13.0-26-generic
xinput
xxx@xxx-Flex-3-1580:~$ xinput
⎡ Virtual core pointer id=2 [master
pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ELAN Touchscreen id=11 [slave pointer
(2)]
⎜ ↳ AlpsPS/2 ALPS GlidePoint id=14 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master
keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave
keyboard (3)]
↳ Video Bus id=7 [slave
keyboard (3)]
↳ Video Bus id=8 [slave
keyboard (3)]
↳ Sleep Button id=9 [slave
keyboard (3)]
↳ Lenovo EasyCamera: Lenovo EasyC id=10 [slave keyboard (3)]
↳ Ideapad extra buttons id=12 [slave
keyboard (3)]
↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
↳ PEAQ WMI hotkeys id=15 [slave
keyboard (3)]
xxx@xxx-Flex-3-1580:~$
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: zesty
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https://bugs.launchpad.net/bugs/1742764
Title:
4.13.0-26-generic touchpad two finger scroll & tap to click doesn't
work after upgrade
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