Hey, I was going through the TODO in staging/iio. " Convert all uses of the old GPIO API from <linux/gpio.h> to the GPIO descriptor API in <linux/gpio/consumer.h> and look up GPIO lines from device tree, ACPI or board files, board files should use <linux/gpio/machine.h>. " I couldn't find any usages of the old gpio API in iio staging. We can probably update the TODO to remove this item. Was wondering if there is any other TODO/ low hanging fruit in IIO? Thanks, Rohit