32 	struct gpio_detect *gpiod = container_of(work, struct gpio_detect,  in gpio_det_work_func()  local
34 	int val = gpio_get_value(gpiod->gpio);  in gpio_det_work_func()
37 			__func__, gpiod->val, val);  in gpio_det_work_func()
39 	if (gpiod->val != val) {  in gpio_det_work_func()
40 		gpiod->val = val;  in gpio_det_work_func()
47 	struct gpio_detect *gpiod = dev_id;  in gpio_det_interrupt()  local
48 	int val = gpio_get_value(gpiod->gpio);  in gpio_det_interrupt()
55 	irq_set_irq_type(gpiod->irq, irqflags);  in gpio_det_interrupt()
57 	mod_delayed_work(system_wq, &gpiod->work,  in gpio_det_interrupt()
58 			 msecs_to_jiffies(gpiod->debounce_ms));  in gpio_det_interrupt()
63 static int vehicle_gpio_init_check(struct gpio_detect *gpiod)  in vehicle_gpio_init_check()  argument
65 	gpiod->val = gpio_get_value(gpiod->gpio);  in vehicle_gpio_init_check()
67 	dev_info(gpiod->dev, "%s: gpiod->atv_val(%d), gpiod->val(%d)\n",  in vehicle_gpio_init_check()
68 			__func__, gpiod->atv_val, gpiod->val);  in vehicle_gpio_init_check()
70 	if (gpiod->atv_val == gpiod->val) {  in vehicle_gpio_init_check()
78 bool vehicle_gpio_reverse_check(struct gpio_detect *gpiod)  in vehicle_gpio_reverse_check()  argument
80 	int val = gpiod->val ^ gpiod->atv_val;  in vehicle_gpio_reverse_check()
82 	if (gpiod->num == 0)  in vehicle_gpio_reverse_check()
88 static int gpio_parse_dt(struct gpio_detect *gpiod, const char *ad_name)  in gpio_parse_dt()  argument
90 	struct device *dev = gpiod->dev;  in gpio_parse_dt()
102 	gpiod->num = of_get_child_count(gpiod_node);  in gpio_parse_dt()
103 	if (gpiod->num == 0) {  in gpio_parse_dt()
113 			gpiod->gpio = of_get_named_gpio_flags(node, "car-reverse-gpios", 0, &flags);  in gpio_parse_dt()
114 			if (!gpio_is_valid(gpiod->gpio)) {  in gpio_parse_dt()
118 			gpiod->atv_val = !(flags & OF_GPIO_ACTIVE_LOW);  in gpio_parse_dt()
120 						  &gpiod->debounce_ms);  in gpio_parse_dt()
126 		__func__, gpiod->gpio, gpiod->atv_val, gpiod->mirror, gpiod->debounce_ms);  in gpio_parse_dt()
130 int vehicle_gpio_init(struct gpio_detect *gpiod, const char *ad_name)  in vehicle_gpio_init()  argument
136 	if (gpio_parse_dt(gpiod, ad_name) < 0) {  in vehicle_gpio_init()
139 		gpio = gpiod->gpio;  in vehicle_gpio_init()
146 		dev_info(gpiod->dev, "%s: request irq gpio(%d)\n", __func__, gpio);  in vehicle_gpio_init()
149 		gpiod->irq = gpio_to_irq(gpio);  in vehicle_gpio_init()
150 		if (gpiod->irq < 0)  in vehicle_gpio_init()
153 		gpiod->val = gpio_get_value(gpio);  in vehicle_gpio_init()
154 		if (gpiod->val)  in vehicle_gpio_init()
158 		ret = devm_request_threaded_irq(gpiod->dev, gpiod->irq,  in vehicle_gpio_init()
160 					irqflags, "vehicle gpio", gpiod);  in vehicle_gpio_init()
167 	INIT_DELAYED_WORK(&gpiod->work, gpio_det_work_func);  in vehicle_gpio_init()
169 	vehicle_gpio_init_check(gpiod);  in vehicle_gpio_init()
174 int vehicle_gpio_deinit(struct gpio_detect *gpiod)  in vehicle_gpio_deinit()  argument
176 	gpio_free(gpiod->gpio);  in vehicle_gpio_deinit()