https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232040
Bug ID: 232040
Summary: wmt driver fails to attach to Synaptics Touchscreen
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: usb
Assignee: u...@freebsd.org
Reporter: sakhmatd@darkn.space
I have a Lenovo YOGA 12 Thinkpad with a Synaptics Touchscreen.
It gets detected as
ugen0.2: <SYNAPTICS Synaptics Touch Digitizer V04> at usbus0, cfg=0 md=HOST
spd=FULL (12Mbps) pwr=ON (400mA)
by usbconfig and I get a corresponding /dev/uhid0 device.
usbconfig -d ugen0.2 dump_all_desc:
https://ghostbin.com/paste/3fq7o
I can get the touchscreen working through webcamd, but the touch screen has
issues detecting ButtonRelease when configured that way.
Trying to hook /dev/uhid0 up as a mouse through xorg.conf gives me a segfault
when launching X.
I also have a usb_quirk setup to make the touchscreen get ignored by UMS, since
moused likes to attach itself to it every time in the console. It does not seem
to function as ums0, however.
Synaptics driver doesn't work with it either.
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