[Bug 232040] wmt driver fails to attach to Synaptics Touchscreen

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232040

--- Comment #6 from Vladimir Kondratyev <wulf at freebsd.org> ---
(In reply to Sergei Akhmatdinov from comment #5)
HID report descriptor appeared to be broken. It declares 'Contact Count
Maximum' as padding bits:

0x85, 0x08,        //   Report ID (8)
0x09, 0x55,        //   Usage (0x55)
0xB1, 0x03,        //   Feature (Const,Var,Abs,No Wrap,Linear,Preferred
State,No Null Position,Non-volatile)

Try the attached patch. It is a quick and dirty hack, not a real solution.
Right way is to substitute broken descriptor with fixed one, but wmt(4) driver
can not do that yet.

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