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we are using AD5245 to adjust  resistor。But there are some problem, the linux driver is ad525x_dpot-i2c.c。it create /sys/bus/i2c/deivces/rdac0,so we can change the value of rdac0 to change the  resistor. so, we test test resistor by multimeter.But we tested the value of resistor between A and B failed.Can you give me some advices??

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    •  Analog Employees 
    Jul 22, 2020 in reply to flank +2 verified

    Hi ,

    Please provide more info:

    - device tree section for your chip

    - what position you write to rdac0 ?

    - how exactly are you measuring the resistance with the multimeter ? would be great if you included…

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