[Intel-gfx] Developing a new backlight driver for specific OLED screen

[Aurélien]

Hi,
I hope this mailing-mist is the right place for this question.
I would like to develop a new driver in order to manage backlight for a 
specific OLED display (Samsung one). For that propose I need to use the 
dpcd aux read and write functions.
Since this driver is independent film the i915 driver I would like to 
develop an indémependant driver.
So my question is: how can I use the i915 API (dpcd aux communications) 
outside from the driver and register the backlight sys entries like the 
i915 does (in order to have all the softwares which plays with the 
backlight working without modifying them) ?

Many thanks for your answers

--
Aurélien
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