Currently, I have an app that I've cross-compiled for the N310 and I'm trying to read data from the I/O Expander(TCA6408a) on the daughterboard, however, I'm getting an error stating that the "device or resource is busy" which leads me to believe that there is a driver already using the device. Does anyone have any insight on this?? Also, is there any information on using I2C for the n3xx devices?
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