On 04/06/2018 09:37 AM, Ian Pilcher wrote:
> On 04/05/2018 10:54 PM, Kevin Cummings wrote:
>>     I just recently upgraded the F25 on this laptop (Dell Inspiron
>> 1520) to
>> F26.  It mostly went well, except that I seem to have lost the ability
>> to use the vertical scrolling part of my touchpad.  I'm running the MATE
>> desktop, so the first thing I did was to check the mouse configuration
>> in System->Preferences->Mouse.  In the touchpad tab, I see that Vertical
>> Edge Scrolling is indeed checked, and un-checking it and re-checking it
>> does not bring the functionality back.  I can use two-fingered vertical
>> scrolling (it also is checked), but I am not an expert, and it seems to
>> have the side effect of backing up if I move my second finger down into
>> the horizontal scroll area of the touchpad when trying to do a large
>> vertical scroll.
> Fedora switched from using the synaptics touchpad driver to libinput(?)
> by default.  Unfortunately, the libinput driver doesn't appear to have
> all the features that the synaptics driver does.
> At least in Fedora 27, you can uninstall the xorg-x11-drv-libinput
> package and install xorg-x11-drv-synaptics-legacy.  I'm not sure how
> long this will last.

I'm using libinput (/usr/lib64/xorg/modules/input/libinput_drv.so) on a
Dell Inspiron N7110 laptop running F27 and vertical scroll works just
peachy for me using two fingers on the touchpad. I see these entries in
the /var/log/Xorg.0.log file:

[   109.192] (**) AlpsPS/2 ALPS GlidePoint: Applying InputClass
"libinput touchpad catchall"
[   109.192] (II) Using input driver 'libinput' for 'AlpsPS/2 ALPS

YMMV (your mileage may vary)
- Rick Stevens, Systems Engineer, AllDigital    ri...@alldigital.com -
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