This Synaptics Touch (KMDF) driver is modified from the deleted one in Windows Driver Samples.
It demonstrates how to write a HID miniport driver for the Synaptics 3200 touch controller.
lumia1520 & 930 tested。
replace the stock one which on the \windows\system32\drivers import the reg file.
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\RTSYSTEM\TOUCH\SCREENPROPERTIES] "DisplayViewableHeight"=dword:000005aa "DisplayViewableWidth"=dword:00000a4d
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\RTSYSTEM\TOUCH\SCREENPROPERTIES] "DisplayViewableHeight"=dword:00000595 "DisplayViewableWidth"=dword:00000a54
DisplayViewableWidth = RESOLUTION_X / 816 * RESOLUTION_X
DisplayViewableHeight = RESOLUTION_Y / 1394 * RESOLUTION_Y
816/1394 is the value which was founded in stock driver.