Goodix GT9xx touchscreen driver for Jessie?


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Hello,

I use Banana PI M1 with TFT touchscreen and Jessi Legacy Kernel 3.4.113 sun7i

I have to stay with legacy kernel because it supports FEX configuration for TFT display and USB-OTG.

(Mainstream Kernel does not seem to support TFT)

Unfortunately the display touch changed to GT911 driver IC which seem not to be included in legacy.

Can anybody help me to bring the Goodix GT9xx driver working on this system?

 

I found following links of this driver but don't know how to compile and install it.

http://linux-sunxi.org/Touchscreen#GT9xx

https://github.com/reinforce/gt9xx

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/input/touchscreen/goodix.c

 

Edited by Ralf
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Armbian is a community driven open source project. Do you like to contribute your code?

I did a quick check and have to admit, that chances are low to backport this driver to such an old kernel. More than a few function calls initially appear in kernel versions >3.17 and you would have to rewrite a good part of this driver. This might not be impossible, but it is no quickie.

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Okay,  that was more cumbersome than I had hoped.

 

https://gist.github.com/Staars/d0076df23a70be5179b0fbb3f564d418.js

 

This may completely break everything, but at least it produces a module "gt9xxf_ts.ko".

 

For testing please copy this gist to output/patch in your build environment. Without the actual hardware I will probably not be able to help you any further.

 

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