ref: 04d1e6ffe92da311d1dd6463dfa347ad7db14c2d
parent: fe033ae81611a7a98d51b38ca5a8e9bc5638b996
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon Jun 13 19:24:14 EDT 2022
imx8/gpio: allow 0 as "no-op" gpio pin as the gpio controller number starts at 1, we can use 0 to mean "no pin", so passing 0 to gpioout() or gpioin() pin argument will have no effect.