Re: Lenovo Yoga 700-11ISK touchscreen


On Sat, Mar 17, 2018 at 2:49 PM, Alexey Kardashevskiy <aik ozlabs ru> wrote:

Fedora 27, Gnome desktop 2.32, gnome 3.26.2, kernel 4.15.8-300.fc27.x86_64.
Lenovo Yoga 700-11ISK, ELAN touchscreen, Synaptic touchpad.

The yoga is a convertible laptop which I am trying to use as a tablet but
it is confusing. I'll describe these and hopefully you can give me some
pointers what is a bug and what is a feature :)

1. when switched to a tablet, the keyboard gets disabled (good) but the
touchpad is not.

The keyboard being disabled is something with Yoga models. Other
2-in-1s are smart enough to also disable the touchpad, and some
disable nothing.

We have open to
track/expose SW_TABLET_MODE state, which may be used to implement such
behavior on software. But arguably this could belong on libinput,
which has a better grasp of the devices to be disabled and their

2. the touchscreen seems not to understand multitouch at all so it also
does not allow scrolling most of the time. If it is firefox or a terminal -
moving finger over the window selects text. No two finger scrolling is
possible (enabled and works with the touchpad).

Ultimately, reaction to (multi)touch is implemented by each specific
application. Any issues there should thus be reported on each
application bug reporting system. NB, such issues are very probably
already filed, so look out for duplicates.

3. touchscreen tapping on a task in the taskbar does not bring it up, I can
see gnome notices the click but it still does nothing. Tapping on the
touchpad works, clicking left button on the touchpad works, so it only
touchscreen problem.

This should be reported on the specific gnome-shell extension
providing the taskbar, if this is the "Window list" extension, that'd

4. Orientation sensor - when enabled, constantly rotates the screen.

iio-sensor-proxy is in charge of reading accelerometer orientation,
some of the opened issues at might fit your
model, if not file a new one.


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