- inactive-delay-ms: Delay (default 100) to wait after driving gpio inactive
- timeout-ms: Time to wait before asserting a WARN_ON(1). If nothing is
specified, 3000 ms is used.
+- export : Export the GPIO line to the sysfs system
Examples:
bool input = false;
enum gpiod_flags flags;
bool force = false;
+ bool export = false;
/* If a pm_power_off function has already been added, leave it alone */
force = of_property_read_bool(pdev->dev.of_node, "force");
if (IS_ERR(reset_gpio))
return PTR_ERR(reset_gpio);
+ export = of_property_read_bool(pdev->dev.of_node, "export");
+ if (export) {
+ gpiod_export(reset_gpio, false);
+ gpiod_export_link(&pdev->dev, "poweroff-gpio", reset_gpio);
+ }
+
pm_power_off = &gpio_poweroff_do_poweroff;
return 0;
}
if (pm_power_off == &gpio_poweroff_do_poweroff)
pm_power_off = NULL;
+ gpiod_unexport(reset_gpio);
+
return 0;
}