What would be the best way to access this setpower() kernel function
for the display via the application space?
Normally that would be done inside of logic in board/xx/xx/src using
the Power Management (PM) callback logic. There is an example here:
https://github.com/apache/incubator-nuttx/b
I'm using a framebuffer to display data on an SSD1306 display via NuttX.
During a low power mode I need to disable the screen to save power.
Actually it would be better to uninitialize the display before the power down.
I see that the OS has functions in the kernel to turn off or on the displa
