25 struct gpio_charger {  struct
51 static inline struct gpio_charger *psy_to_gpio_charger(struct power_supply *psy)  in psy_to_gpio_charger()  argument
56 static int set_charge_current_limit(struct gpio_charger *gpio_charger, int val)  in set_charge_current_limit()  argument
59 	int ndescs = gpio_charger->current_limit_gpios->ndescs;  in set_charge_current_limit()
60 	struct gpio_desc **gpios = gpio_charger->current_limit_gpios->desc;  in set_charge_current_limit()
63 	if (!gpio_charger->current_limit_map_size)  in set_charge_current_limit()
66 	for (i = 0; i < gpio_charger->current_limit_map_size; i++) {  in set_charge_current_limit()
67 		if (gpio_charger->current_limit_map[i].limit_ua <= val)  in set_charge_current_limit()
75 	if (i >= gpio_charger->current_limit_map_size)  in set_charge_current_limit()
76 		i = gpio_charger->current_limit_map_size - 1;  in set_charge_current_limit()
78 	mapping = gpio_charger->current_limit_map[i];  in set_charge_current_limit()
85 	gpio_charger->charge_current_limit = mapping.limit_ua;  in set_charge_current_limit()
87 	dev_dbg(gpio_charger->dev, "set charge current limit to %d (requested: %d)\n",  in set_charge_current_limit()
88 		gpio_charger->charge_current_limit, val);  in set_charge_current_limit()
96 	struct gpio_charger *gpio_charger = psy_to_gpio_charger(psy);  in gpio_charger_get_property()  local
100 		val->intval = gpiod_get_value_cansleep(gpio_charger->gpiod);  in gpio_charger_get_property()
103 		if (gpiod_get_value_cansleep(gpio_charger->charge_status))  in gpio_charger_get_property()
109 		val->intval = gpio_charger->charge_current_limit;  in gpio_charger_get_property()
121 	struct gpio_charger *gpio_charger = psy_to_gpio_charger(psy);  in gpio_charger_set_property()  local
125 		return set_charge_current_limit(gpio_charger, val->intval);  in gpio_charger_set_property()
194 				    struct gpio_charger *gpio_charger)  in init_charge_current_limit()  argument
201 	gpio_charger->current_limit_gpios = devm_gpiod_get_array_optional(dev,  in init_charge_current_limit()
203 	if (IS_ERR(gpio_charger->current_limit_gpios)) {  in init_charge_current_limit()
205 		return PTR_ERR(gpio_charger->current_limit_gpios);  in init_charge_current_limit()
208 	if (!gpio_charger->current_limit_gpios)  in init_charge_current_limit()
221 	gpio_charger->current_limit_map = devm_kmalloc_array(dev,  in init_charge_current_limit()
222 		len / 2, sizeof(*gpio_charger->current_limit_map), GFP_KERNEL);  in init_charge_current_limit()
223 	if (!gpio_charger->current_limit_map)  in init_charge_current_limit()
226 	gpio_charger->current_limit_map_size = len / 2;  in init_charge_current_limit()
229 		(u32*) gpio_charger->current_limit_map, len);  in init_charge_current_limit()
236 	for (i=0; i < gpio_charger->current_limit_map_size; i++) {  in init_charge_current_limit()
237 		if (gpio_charger->current_limit_map[i].limit_ua > cur_limit) {  in init_charge_current_limit()
242 		cur_limit = gpio_charger->current_limit_map[i].limit_ua;  in init_charge_current_limit()
244 			set_charge_current_limit(gpio_charger, cur_limit);  in init_charge_current_limit()
254 	len = gpio_charger->current_limit_map_size - 1;  in init_charge_current_limit()
255 	set_charge_current_limit(gpio_charger,  in init_charge_current_limit()
256 		gpio_charger->current_limit_map[len].limit_ua);  in init_charge_current_limit()
277 	struct gpio_charger *gpio_charger;  in gpio_charger_probe()  local
289 	gpio_charger = devm_kzalloc(dev, sizeof(*gpio_charger), GFP_KERNEL);  in gpio_charger_probe()
290 	if (!gpio_charger)  in gpio_charger_probe()
292 	gpio_charger->dev = dev;  in gpio_charger_probe()
298 	gpio_charger->gpiod = devm_gpiod_get_optional(dev, NULL, GPIOD_IN);  in gpio_charger_probe()
299 	if (IS_ERR(gpio_charger->gpiod)) {  in gpio_charger_probe()
301 		return dev_err_probe(dev, PTR_ERR(gpio_charger->gpiod),  in gpio_charger_probe()
305 	if (gpio_charger->gpiod) {  in gpio_charger_probe()
314 		gpio_charger->charge_status = charge_status;  in gpio_charger_probe()
319 	ret = init_charge_current_limit(dev, gpio_charger);  in gpio_charger_probe()
322 	if (gpio_charger->current_limit_map) {  in gpio_charger_probe()
328 	charger_desc = &gpio_charger->charger_desc;  in gpio_charger_probe()
337 	psy_cfg.drv_data = gpio_charger;  in gpio_charger_probe()
352 	gpio_charger->charger = devm_power_supply_register(dev, charger_desc,  in gpio_charger_probe()
354 	if (IS_ERR(gpio_charger->charger)) {  in gpio_charger_probe()
355 		ret = PTR_ERR(gpio_charger->charger);  in gpio_charger_probe()
360 	gpio_charger->irq = gpio_charger_get_irq(dev, gpio_charger->charger,  in gpio_charger_probe()
361 						 gpio_charger->gpiod);  in gpio_charger_probe()
363 	charge_status_irq = gpio_charger_get_irq(dev, gpio_charger->charger,  in gpio_charger_probe()
364 						 gpio_charger->charge_status);  in gpio_charger_probe()
365 	gpio_charger->charge_status_irq = charge_status_irq;  in gpio_charger_probe()
367 	platform_set_drvdata(pdev, gpio_charger);  in gpio_charger_probe()
377 	struct gpio_charger *gpio_charger = dev_get_drvdata(dev);  in gpio_charger_suspend()  local
380 		gpio_charger->wakeup_enabled =  in gpio_charger_suspend()
381 			!enable_irq_wake(gpio_charger->irq);  in gpio_charger_suspend()
388 	struct gpio_charger *gpio_charger = dev_get_drvdata(dev);  in gpio_charger_resume()  local
390 	if (device_may_wakeup(dev) && gpio_charger->wakeup_enabled)  in gpio_charger_resume()
391 		disable_irq_wake(gpio_charger->irq);  in gpio_charger_resume()
392 	power_supply_changed(gpio_charger->charger);  in gpio_charger_resume()