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Issues with GPIO in newest Linux kernel?

Question asked by htorke on Jan 18, 2017
Latest reply on Jan 23, 2018 by htorke

In the most recent release of the ADRV9371 SD card, kernel version 4.6.0, is anyone having difficulty controlling GPIOs?

 

On the zc706 board, if I export GPIO 40, which I believe should go to one of the LEDs on the base board, the export works, and changing the I/O direction to 'out' works, however, attempting to toggle the LED  value from 0 to 1 fails. Nothing is reported, but the value remains at 0.

 

Does anyone else see this behavior?

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