https://bugzilla.kernel.org/show_bug.cgi?id=117451
Summary:
There are many hybrid 2-in-1 tablet/notebook PCs being shipped by
companies such as Dell, Acer and Asus which have a detachable docking
keyboard.
The display has a touchscreen digitiser which identifies as
SYNAPTICS Synaptics Touch Digitizer V{03|04}
there is often an additional:
SYNAPTICS Synaptics Touch Digitizer V{03|04} Pen
There is no support for this in the existing synaptics_usb driver. The
usbhid driver binds to the device but only provides mouse-like support -
there is no multitouch, gesture, or scroll support, although the
hid_multitouch driver attaches.
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