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AM3352: Voltage regulator error

Part Number: AM3352

Hi all,

Why our current voltage is -22? SDK is v04.02

/ # cat /sys/class/regulator/regulator.1/

5000000

/ # cat /sys/class/regulator/regulator.3/microvolts

-22

/ # cat /sys/class/regulator/regulator.4/microvolts

1500000

/ # cat /sys/class/regulator/regulator.5/microvolts

1100000

/ # cat /sys/class/regulator/regulator.6/microvolts

1100000

/ # cat /sys/class/regulator/regulator.7/microvolts

5000000

/ # cat /sys/class/regulator/regulator.8/microvolts

1800000

/ # cat /sys/class/regulator/regulator.9/microvolts

1800000

/ # cat /sys/class/regulator/regulator.10/microvolts

1800000

/ # cat /sys/class/regulator/regulator.11/microvolts

1800000

/ # cat /sys/class/regulator/regulator.12/microvolts

1800000

/ # cat /sys/class/regulator/regulator.13/microvolts

3300000

/ # cat /sys/class/regulator/regulator.14/microvolts

3300000

/ # cat /sys/class/regulator/regulator.15/microvolts

3300000

/ # cat /sys/class/regulator/regulator.16/microvolts

3000000

Thanks