99 static void gpio_det_report_event(struct gpio_data *gpiod)  in gpio_det_report_event()  argument
102 	struct gpio_detection *gpio_det = gpiod->parent;  in gpio_det_report_event()
106 	event.val = gpiod->val;  in gpio_det_report_event()
107 	event.name = gpiod->name;  in gpio_det_report_event()
109 			   gpiod->name, event.val ? "over" : "on");  in gpio_det_report_event()
114 	kobject_uevent_env(&gpiod->dev.kobj, KOBJ_CHANGE, envp);  in gpio_det_report_event()
115 	if (gpiod->notify)  in gpio_det_report_event()
122 	struct gpio_data *gpiod = container_of(work, struct gpio_data,  in gpio_det_work_func()  local
124 	int val = gpiod_get_value(gpiod->gpio);  in gpio_det_work_func()
126 	if (gpiod->val != val) {  in gpio_det_work_func()
127 		gpiod->val = val;  in gpio_det_work_func()
128 		gpio_det_report_event(gpiod);  in gpio_det_work_func()
129 		if (system_suspend && gpiod->wakeup) {  in gpio_det_work_func()
138 	struct gpio_data *gpiod = dev_id;  in gpio_det_interrupt()  local
139 	int val = gpiod_get_raw_value(gpiod->gpio);  in gpio_det_interrupt()
146 	irq_set_irq_type(gpiod->irq, irqflags);  in gpio_det_interrupt()
148 	mod_delayed_work(system_wq, &gpiod->work,  in gpio_det_interrupt()
149 			 msecs_to_jiffies(gpiod->debounce_ms));  in gpio_det_interrupt()
156 	struct gpio_data *gpiod;  in gpio_det_init_status_check()  local
160 		gpiod = &gpio_det->data[i];  in gpio_det_init_status_check()
161 		gpiod->val = gpiod_get_value(gpiod->gpio);  in gpio_det_init_status_check()
162 		if (gpiod->val)  in gpio_det_init_status_check()
163 			gpio_det_report_event(gpiod);  in gpio_det_init_status_check()
211 	struct gpio_data *gpiod = container_of(dev, struct gpio_data, dev);  in status_show()  local
212 	unsigned int val = gpiod_get_value(gpiod->gpio);  in status_show()
220 	struct gpio_data *gpiod;  in status_store()  local
225 	gpiod = container_of(dev, struct gpio_data, dev);  in status_store()
231 		event.name = gpiod->name;  in status_store()
234 		gpiod->notify = 0;  in status_store()
261 					 struct gpio_data *gpiod)  in gpio_detection_class_register()  argument
265 	gpiod->dev.class = gpio_detection_class;  in gpio_detection_class_register()
266 	dev_set_name(&gpiod->dev, "%s", gpiod->name);  in gpio_detection_class_register()
267 	dev_set_drvdata(&gpiod->dev, gpio_det);  in gpio_detection_class_register()
268 	ret = device_register(&gpiod->dev);  in gpio_detection_class_register()
269 	ret = sysfs_create_groups(&gpiod->dev.kobj, gpio_detection_groups);  in gpio_detection_class_register()
280 	struct gpio_data *gpiod;  in gpio_det_parse_dt()  local
300 		gpiod = &data[i++];  in gpio_det_parse_dt()
301 		gpiod->parent = gpio_det;  in gpio_det_parse_dt()
302 		gpiod->notify = 1;  in gpio_det_parse_dt()
303 		gpiod->name = of_get_property(node, "label", NULL);  in gpio_det_parse_dt()
304 		gpiod->wakeup = !!of_get_property(node, "gpio,wakeup", NULL);  in gpio_det_parse_dt()
306 				     &gpiod->debounce_ms);  in gpio_det_parse_dt()
307 		if (!strcmp(gpiod->name, "car-reverse"))  in gpio_det_parse_dt()
308 			gpiod->gpio = devm_get_gpiod_from_child(dev,  in gpio_det_parse_dt()
311 			gpiod->gpio = devm_get_gpiod_from_child(dev,  in gpio_det_parse_dt()
323 	struct gpio_data *gpiod;  in gpio_det_probe()  local
354 		gpiod = &gpio_det->data[i];  in gpio_det_probe()
355 		gpiod_direction_input(gpiod->gpio);  in gpio_det_probe()
357 		gpiod->irq = gpiod_to_irq(gpiod->gpio);  in gpio_det_probe()
358 		if (gpiod->irq < 0) {  in gpio_det_probe()
360 				gpiod->name);  in gpio_det_probe()
364 		ret = gpio_detection_class_register(gpio_det, gpiod);  in gpio_det_probe()
367 		INIT_DELAYED_WORK(&gpiod->work, gpio_det_work_func);  in gpio_det_probe()
368 		gpiod->val = gpiod_get_raw_value(gpiod->gpio);  in gpio_det_probe()
369 		if  (gpiod->val)  in gpio_det_probe()
373 		ret = devm_request_threaded_irq(gpio_det->dev, gpiod->irq,  in gpio_det_probe()
376 						gpiod->name, gpiod);  in gpio_det_probe()
379 				gpiod->name, ret);  in gpio_det_probe()
381 			if (gpiod->wakeup)  in gpio_det_probe()
382 				enable_irq_wake(gpiod->irq);  in gpio_det_probe()