On Fri, Sep 09, 2022 at 11:35:28AM +0200, Aurélien wrote: > Hi, > I hope this mailing-mist is the right place for this question. + dri-devel mailing list that looks more appropriated. + Hans and Lyude who were recently working to standardize some of the backlight stuff. > 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) ? I don't believe you want to use the i915 API, but move the common functions to the drm subsystem itself and then reuse as a drm device. > Many thanks for your answers > -- > Aurélien
