On Wed, 23 Mar 2011, Kevron Rees wrote:
On Wed, 2011-03-23 at 11:57 -0600, Clark, Joel wrote:
It would be interesting to know if the Cando Multi Touch with the mtev driver
works with the current QT/QML framework derived applications. We have seen
issues with compatibility with QML apps on older single touch drivers with mtev.
regards
Joel
Single touch seems to work okay. Multi-touch seems a bit broken right
now though. I'm not sure why.
Here's how I understand the state of things with touchscreen
drivers, xorg, and the Cando touchscreen in the Ideapad's:
MeeGo 1.1:
- 2.6.35 kernel + mtdev driver patch. The mtdev driver
would intercept the Cando device, instead of using the
driver from the vanilla kernel. There were about 4
specific devices intercepted/handled by this kernel
driver.
- A specific version of xorg-driver-input-mtev
that is looking for /dev/input/mtev (or something
like that).
MeeGo 1.1.90.x:
- 2.6.37 kernel with no special patches
- Xorg with newer version of xorg-driver-input-mtev
and a xorg.conf.d file to map the Cando device to
the Xorg mtev driver.
Getting your wires crossed between the kernel mtdev patch
and the Xorg mtev driver will mean no multi-touch (and
sometimes no single touch).
I think a non-mtdev-patched 2.6.35 kernel will probably work
with the newer Xorg mtev driver (with Xorg.conf.d file). I
haven't tried it myself, though.
-gabriel
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