130 	struct gpio_button_data *bdata = data;  in gpio_keys_quiesce_key()  local
132 	if (!bdata->gpiod)  in gpio_keys_quiesce_key()
133 		hrtimer_cancel(&bdata->release_timer);  in gpio_keys_quiesce_key()
134 	else if (bdata->debounce_use_hrtimer)  in gpio_keys_quiesce_key()
135 		hrtimer_cancel(&bdata->debounce_timer);  in gpio_keys_quiesce_key()
137 		cancel_delayed_work_sync(&bdata->work);  in gpio_keys_quiesce_key()
153 static void gpio_keys_disable_button(struct gpio_button_data *bdata)  in gpio_keys_disable_button()  argument
155 	if (!bdata->disabled) {  in gpio_keys_disable_button()
159 		disable_irq(bdata->irq);  in gpio_keys_disable_button()
160 		gpio_keys_quiesce_key(bdata);  in gpio_keys_disable_button()
161 		bdata->disabled = true;  in gpio_keys_disable_button()
175 static void gpio_keys_enable_button(struct gpio_button_data *bdata)  in gpio_keys_enable_button()  argument
177 	if (bdata->disabled) {  in gpio_keys_enable_button()
178 		enable_irq(bdata->irq);  in gpio_keys_enable_button()
179 		bdata->disabled = false;  in gpio_keys_enable_button()
211 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_attr_show_helper()  local
213 		if (bdata->button->type != type)  in gpio_keys_attr_show_helper()
216 		if (only_disabled && !bdata->disabled)  in gpio_keys_attr_show_helper()
219 		__set_bit(*bdata->code, bits);  in gpio_keys_attr_show_helper()
265 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_attr_store_helper()  local
267 		if (bdata->button->type != type)  in gpio_keys_attr_store_helper()
270 		if (test_bit(*bdata->code, bits) &&  in gpio_keys_attr_store_helper()
271 		    !bdata->button->can_disable) {  in gpio_keys_attr_store_helper()
280 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_attr_store_helper()  local
282 		if (bdata->button->type != type)  in gpio_keys_attr_store_helper()
285 		if (test_bit(*bdata->code, bits))  in gpio_keys_attr_store_helper()
286 			gpio_keys_disable_button(bdata);  in gpio_keys_attr_store_helper()
288 			gpio_keys_enable_button(bdata);  in gpio_keys_attr_store_helper()
366 static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata)  in gpio_keys_gpio_report_event()  argument
368 	const struct gpio_keys_button *button = bdata->button;  in gpio_keys_gpio_report_event()
369 	struct input_dev *input = bdata->input;  in gpio_keys_gpio_report_event()
373 	state = bdata->debounce_use_hrtimer ?  in gpio_keys_gpio_report_event()
374 			gpiod_get_value(bdata->gpiod) :  in gpio_keys_gpio_report_event()
375 			gpiod_get_value_cansleep(bdata->gpiod);  in gpio_keys_gpio_report_event()
386 		input_event(input, type, *bdata->code, state);  in gpio_keys_gpio_report_event()
390 static void gpio_keys_debounce_event(struct gpio_button_data *bdata)  in gpio_keys_debounce_event()  argument
392 	gpio_keys_gpio_report_event(bdata);  in gpio_keys_debounce_event()
393 	input_sync(bdata->input);  in gpio_keys_debounce_event()
395 	if (bdata->button->wakeup)  in gpio_keys_debounce_event()
396 		pm_relax(bdata->input->dev.parent);  in gpio_keys_debounce_event()
401 	struct gpio_button_data *bdata =  in gpio_keys_gpio_work_func()  local
404 	gpio_keys_debounce_event(bdata);  in gpio_keys_gpio_work_func()
409 	struct gpio_button_data *bdata =  in gpio_keys_debounce_timer()  local
412 	gpio_keys_debounce_event(bdata);  in gpio_keys_debounce_timer()
419 	struct gpio_button_data *bdata = dev_id;  in gpio_keys_gpio_isr()  local
421 	BUG_ON(irq != bdata->irq);  in gpio_keys_gpio_isr()
423 	if (bdata->button->wakeup) {  in gpio_keys_gpio_isr()
424 		const struct gpio_keys_button *button = bdata->button;  in gpio_keys_gpio_isr()
426 		pm_stay_awake(bdata->input->dev.parent);  in gpio_keys_gpio_isr()
427 		if (bdata->suspended  &&  in gpio_keys_gpio_isr()
434 			input_report_key(bdata->input, button->code, 1);  in gpio_keys_gpio_isr()
438 	if (bdata->debounce_use_hrtimer) {  in gpio_keys_gpio_isr()
439 		hrtimer_start(&bdata->debounce_timer,  in gpio_keys_gpio_isr()
440 			      ms_to_ktime(bdata->software_debounce),  in gpio_keys_gpio_isr()
444 				 &bdata->work,  in gpio_keys_gpio_isr()
445 				 msecs_to_jiffies(bdata->software_debounce));  in gpio_keys_gpio_isr()
453 	struct gpio_button_data *bdata = container_of(t,  in gpio_keys_irq_timer()  local
456 	struct input_dev *input = bdata->input;  in gpio_keys_irq_timer()
458 	if (bdata->key_pressed) {  in gpio_keys_irq_timer()
459 		input_event(input, EV_KEY, *bdata->code, 0);  in gpio_keys_irq_timer()
461 		bdata->key_pressed = false;  in gpio_keys_irq_timer()
469 	struct gpio_button_data *bdata = dev_id;  in gpio_keys_irq_isr()  local
470 	struct input_dev *input = bdata->input;  in gpio_keys_irq_isr()
473 	BUG_ON(irq != bdata->irq);  in gpio_keys_irq_isr()
475 	spin_lock_irqsave(&bdata->lock, flags);  in gpio_keys_irq_isr()
477 	if (!bdata->key_pressed) {  in gpio_keys_irq_isr()
478 		if (bdata->button->wakeup)  in gpio_keys_irq_isr()
479 			pm_wakeup_event(bdata->input->dev.parent, 0);  in gpio_keys_irq_isr()
481 		input_event(input, EV_KEY, *bdata->code, 1);  in gpio_keys_irq_isr()
484 		if (!bdata->release_delay) {  in gpio_keys_irq_isr()
485 			input_event(input, EV_KEY, *bdata->code, 0);  in gpio_keys_irq_isr()
490 		bdata->key_pressed = true;  in gpio_keys_irq_isr()
493 	if (bdata->release_delay)  in gpio_keys_irq_isr()
494 		hrtimer_start(&bdata->release_timer,  in gpio_keys_irq_isr()
495 			      ms_to_ktime(bdata->release_delay),  in gpio_keys_irq_isr()
498 	spin_unlock_irqrestore(&bdata->lock, flags);  in gpio_keys_irq_isr()
511 	struct gpio_button_data *bdata = &ddata->data[idx];  in gpio_keys_setup_key()  local
517 	bdata->input = input;  in gpio_keys_setup_key()
518 	bdata->button = button;  in gpio_keys_setup_key()
519 	spin_lock_init(&bdata->lock);  in gpio_keys_setup_key()
522 		bdata->gpiod = devm_fwnode_gpiod_get(dev, child,  in gpio_keys_setup_key()
524 		if (IS_ERR(bdata->gpiod)) {  in gpio_keys_setup_key()
525 			error = PTR_ERR(bdata->gpiod);  in gpio_keys_setup_key()
531 				bdata->gpiod = NULL;  in gpio_keys_setup_key()
556 		bdata->gpiod = gpio_to_desc(button->gpio);  in gpio_keys_setup_key()
557 		if (!bdata->gpiod)  in gpio_keys_setup_key()
561 	if (bdata->gpiod) {  in gpio_keys_setup_key()
562 		bool active_low = gpiod_is_active_low(bdata->gpiod);  in gpio_keys_setup_key()
565 			error = gpiod_set_debounce(bdata->gpiod,  in gpio_keys_setup_key()
569 				bdata->software_debounce =  in gpio_keys_setup_key()
577 			bdata->debounce_use_hrtimer =  in gpio_keys_setup_key()
578 					!gpiod_cansleep(bdata->gpiod);  in gpio_keys_setup_key()
582 			bdata->irq = button->irq;  in gpio_keys_setup_key()
584 			irq = gpiod_to_irq(bdata->gpiod);  in gpio_keys_setup_key()
592 			bdata->irq = irq;  in gpio_keys_setup_key()
595 		INIT_DELAYED_WORK(&bdata->work, gpio_keys_gpio_work_func);  in gpio_keys_setup_key()
597 		hrtimer_init(&bdata->debounce_timer,  in gpio_keys_setup_key()
599 		bdata->debounce_timer.function = gpio_keys_debounce_timer;  in gpio_keys_setup_key()
606 			bdata->wakeup_trigger_type = active_low ?  in gpio_keys_setup_key()
610 			bdata->wakeup_trigger_type = active_low ?  in gpio_keys_setup_key()
627 		bdata->irq = button->irq;  in gpio_keys_setup_key()
634 		bdata->release_delay = button->debounce_interval;  in gpio_keys_setup_key()
635 		hrtimer_init(&bdata->release_timer,  in gpio_keys_setup_key()
637 		bdata->release_timer.function = gpio_keys_irq_timer;  in gpio_keys_setup_key()
648 	bdata->code = &ddata->keymap[idx];  in gpio_keys_setup_key()
649 	*bdata->code = button->code;  in gpio_keys_setup_key()
650 	input_set_capability(input, button->type ?: EV_KEY, *bdata->code);  in gpio_keys_setup_key()
656 	error = devm_add_action(dev, gpio_keys_quiesce_key, bdata);  in gpio_keys_setup_key()
670 	error = devm_request_any_context_irq(dev, bdata->irq, isr, irqflags,  in gpio_keys_setup_key()
671 					     desc, bdata);  in gpio_keys_setup_key()
674 			bdata->irq, error);  in gpio_keys_setup_key()
687 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_report_state()  local
688 		if (bdata->gpiod)  in gpio_keys_report_state()
689 			gpio_keys_gpio_report_event(bdata);  in gpio_keys_report_state()
900 gpio_keys_button_enable_wakeup(struct gpio_button_data *bdata)  in gpio_keys_button_enable_wakeup()  argument
904 	error = enable_irq_wake(bdata->irq);  in gpio_keys_button_enable_wakeup()
906 		dev_err(bdata->input->dev.parent,  in gpio_keys_button_enable_wakeup()
908 			bdata->irq, error);  in gpio_keys_button_enable_wakeup()
912 	if (bdata->wakeup_trigger_type) {  in gpio_keys_button_enable_wakeup()
913 		error = irq_set_irq_type(bdata->irq,  in gpio_keys_button_enable_wakeup()
914 					 bdata->wakeup_trigger_type);  in gpio_keys_button_enable_wakeup()
916 			dev_err(bdata->input->dev.parent,  in gpio_keys_button_enable_wakeup()
918 				bdata->wakeup_trigger_type, bdata->irq, error);  in gpio_keys_button_enable_wakeup()
919 			disable_irq_wake(bdata->irq);  in gpio_keys_button_enable_wakeup()
928 gpio_keys_button_disable_wakeup(struct gpio_button_data *bdata)  in gpio_keys_button_disable_wakeup()  argument
936 	if (bdata->wakeup_trigger_type) {  in gpio_keys_button_disable_wakeup()
937 		error = irq_set_irq_type(bdata->irq, IRQ_TYPE_EDGE_BOTH);  in gpio_keys_button_disable_wakeup()
939 			dev_warn(bdata->input->dev.parent,  in gpio_keys_button_disable_wakeup()
941 				 bdata->irq, error);  in gpio_keys_button_disable_wakeup()
944 	error = disable_irq_wake(bdata->irq);  in gpio_keys_button_disable_wakeup()
946 		dev_warn(bdata->input->dev.parent,  in gpio_keys_button_disable_wakeup()
948 			 bdata->irq, error);  in gpio_keys_button_disable_wakeup()
954 	struct gpio_button_data *bdata;  in gpio_keys_enable_wakeup()  local
959 		bdata = &ddata->data[i];  in gpio_keys_enable_wakeup()
960 		if (bdata->button->wakeup) {  in gpio_keys_enable_wakeup()
961 			error = gpio_keys_button_enable_wakeup(bdata);  in gpio_keys_enable_wakeup()
965 		bdata->suspended = true;  in gpio_keys_enable_wakeup()
972 		bdata = &ddata->data[i];  in gpio_keys_enable_wakeup()
973 		if (bdata->button->wakeup)  in gpio_keys_enable_wakeup()
974 			gpio_keys_button_disable_wakeup(bdata);  in gpio_keys_enable_wakeup()
975 		bdata->suspended = false;  in gpio_keys_enable_wakeup()
984 	struct gpio_button_data *bdata;  in gpio_keys_disable_wakeup()  local
988 		bdata = &ddata->data[i];  in gpio_keys_disable_wakeup()
989 		bdata->suspended = false;  in gpio_keys_disable_wakeup()
990 		if (irqd_is_wakeup_set(irq_get_irq_data(bdata->irq)))  in gpio_keys_disable_wakeup()
991 			gpio_keys_button_disable_wakeup(bdata);  in gpio_keys_disable_wakeup()