mobile

i want to get my touchscreen to work with the minix neo x7.

i have X7 Kitkat 230 ( 23 march 2015 ) on it and got it rooted.

touchscreen:
my vendor id: 0eef
and product id: 7200

i read that i have to edit 2 files in the kernel

drivers/hid/hid-ids.h
/* touchscreen */
#define USB_VENDOR_ID_EETI 0x0eef
#define USB_DEVICE_ID_EETI_TOUCH 0x7200

drivers/hid/hid-multitouch.c
/* Elitegroup Computer Systems */
{ .driver_data = MT_CLS_DEFAULT,
HID_USB_DEVICE(USB_VENDOR_ID_EETI,
USB_DEVICE_ID_EETI_TOUCH) },

i want to edit these 2 files but i wont get it to work i have cygwin and tried some ways to do this i am alraidy a week busy with it but no results to get a possibility to edit these files with cygwin

can someone help me ?