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SPI tft 2'8 iNTERFACING WITH neo pi air issue

Moderators: chensy, FATechsupport

i am trying to interface spi tft with neo air, i have follow same steps mentioned under below urls
http://wiki.friendlyarm.com/wiki/index. ... st_Program
after executing all above steps successfully also lcd doesn't show any thing on its screen.
It worked for me with a Neo 2 board and the latest nanopi_neo2_ubuntu_oled kernel.
I just enabled spi0 using npi-config and selected spi-2.8' tft as spi0 device.
but if i used ubuntu oled kernel for neo pi air, then spi tft will work fine?.also i want to add that kernel came with neo pi air didnt have headers files such as platform.h and devices.h used by ts-ads7846.c file.
is any one know how to what version of kernel for spi tft is available.

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