Hi, I wonder what would be the easiest way to control GPIO in userspace. I read the documentation gpio.txt but I'm not sure what I should use (Control interfaces?, GPIO controllers?) and how to implement it.
Is there more explication about *int gpio_export_link(struct device *dev, const char *name, unsigned gpio) *because I think it could be the key. Will I need to write my own module and communicate with it?. Thank you. Regards, Nicolas
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