Function gpio_reset 

pub fn gpio_reset(resource: u32, io: u8) -> Status

Reset the value of a given GPIO for a device identified by its handle

description

This syscall allows to get back the value of a GPIO identifier associated to the corresponding pinmux declared in the device tree.

Its behavior is similar to gpio_set. the value set is reset to low level, behave n the same way as gpio_set() with value parameter set to false.