On 10/23/2013 02:42 PM, Jean-Christophe PLAGNIOL-VILLARD wrote: ... > For me gpio_get_value can return the value of a an output gpio but this need > to be checked with LinusW That's certainly not true for all possible GPIO controllers; there are at least some that can't read either: * The value of the physical wire, if the GPIO is configured as an output. * The value that the GPIO controller is driving as an output. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html