Polling or Interrupt reporting ？
what data mode do you mean and what board do you ask?
imx8m ，i read i.MX_Porting_Guide.pdf，but it has no information about iio sensor subsystem，how to debug sensor like acceleration，Magentic，gyro，press temperature and so on ~
I don't know what sensor you use, if you use the third-party sensor, maybe current nxp bsp doesn't support it, you need to contact the third party company
Retrieving data ...