141 static void gpio_keys_disable_button(struct gpio_button_data *bdata)  in gpio_keys_disable_button()  argument
143 	if (!bdata->disabled) {  in gpio_keys_disable_button()
147 		disable_irq(bdata->irq);  in gpio_keys_disable_button()
149 		if (bdata->gpiod)  in gpio_keys_disable_button()
150 			cancel_delayed_work_sync(&bdata->work);  in gpio_keys_disable_button()
152 			del_timer_sync(&bdata->release_timer);  in gpio_keys_disable_button()
154 		bdata->disabled = true;  in gpio_keys_disable_button()
168 static void gpio_keys_enable_button(struct gpio_button_data *bdata)  in gpio_keys_enable_button()  argument
170 	if (bdata->disabled) {  in gpio_keys_enable_button()
171 		enable_irq(bdata->irq);  in gpio_keys_enable_button()
172 		bdata->disabled = false;  in gpio_keys_enable_button()
204 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_attr_show_helper()  local
206 		if (bdata->button->type != type)  in gpio_keys_attr_show_helper()
209 		if (only_disabled && !bdata->disabled)  in gpio_keys_attr_show_helper()
212 		__set_bit(*bdata->code, bits);  in gpio_keys_attr_show_helper()
258 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_attr_store_helper()  local
260 		if (bdata->button->type != type)  in gpio_keys_attr_store_helper()
263 		if (test_bit(*bdata->code, bits) &&  in gpio_keys_attr_store_helper()
264 		    !bdata->button->can_disable) {  in gpio_keys_attr_store_helper()
273 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_attr_store_helper()  local
275 		if (bdata->button->type != type)  in gpio_keys_attr_store_helper()
278 		if (test_bit(*bdata->code, bits))  in gpio_keys_attr_store_helper()
279 			gpio_keys_disable_button(bdata);  in gpio_keys_attr_store_helper()
281 			gpio_keys_enable_button(bdata);  in gpio_keys_attr_store_helper()
362 static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata)  in gpio_keys_gpio_report_event()  argument
364 	const struct gpio_keys_button *button = bdata->button;  in gpio_keys_gpio_report_event()
365 	struct input_dev *input = bdata->input;  in gpio_keys_gpio_report_event()
369 	state = gpiod_get_value_cansleep(bdata->gpiod);  in gpio_keys_gpio_report_event()
380 		input_event(input, type, *bdata->code, state);  in gpio_keys_gpio_report_event()
387 	struct gpio_button_data *bdata =  in gpio_keys_gpio_work_func()  local
390 	gpio_keys_gpio_report_event(bdata);  in gpio_keys_gpio_work_func()
392 	if (bdata->button->wakeup)  in gpio_keys_gpio_work_func()
393 		pm_relax(bdata->input->dev.parent);  in gpio_keys_gpio_work_func()
398 	struct gpio_button_data *bdata = dev_id;  in gpio_keys_gpio_isr()  local
400 	BUG_ON(irq != bdata->irq);  in gpio_keys_gpio_isr()
402 	if (bdata->button->wakeup) {  in gpio_keys_gpio_isr()
403 		const struct gpio_keys_button *button = bdata->button;  in gpio_keys_gpio_isr()
405 		pm_stay_awake(bdata->input->dev.parent);  in gpio_keys_gpio_isr()
406 		if (bdata->suspended  &&  in gpio_keys_gpio_isr()
413 			input_report_key(bdata->input, button->code, 1);  in gpio_keys_gpio_isr()
418 			 &bdata->work,  in gpio_keys_gpio_isr()
419 			 msecs_to_jiffies(bdata->software_debounce));  in gpio_keys_gpio_isr()
426 	struct gpio_button_data *bdata = from_timer(bdata, t, release_timer);  in gpio_keys_irq_timer()  local
427 	struct input_dev *input = bdata->input;  in gpio_keys_irq_timer()
430 	spin_lock_irqsave(&bdata->lock, flags);  in gpio_keys_irq_timer()
431 	if (bdata->key_pressed) {  in gpio_keys_irq_timer()
432 		input_event(input, EV_KEY, *bdata->code, 0);  in gpio_keys_irq_timer()
434 		bdata->key_pressed = false;  in gpio_keys_irq_timer()
436 	spin_unlock_irqrestore(&bdata->lock, flags);  in gpio_keys_irq_timer()
441 	struct gpio_button_data *bdata = dev_id;  in gpio_keys_irq_isr()  local
442 	struct input_dev *input = bdata->input;  in gpio_keys_irq_isr()
445 	BUG_ON(irq != bdata->irq);  in gpio_keys_irq_isr()
447 	spin_lock_irqsave(&bdata->lock, flags);  in gpio_keys_irq_isr()
449 	if (!bdata->key_pressed) {  in gpio_keys_irq_isr()
450 		if (bdata->button->wakeup)  in gpio_keys_irq_isr()
451 			pm_wakeup_event(bdata->input->dev.parent, 0);  in gpio_keys_irq_isr()
453 		input_event(input, EV_KEY, *bdata->code, 1);  in gpio_keys_irq_isr()
456 		if (!bdata->release_delay) {  in gpio_keys_irq_isr()
457 			input_event(input, EV_KEY, *bdata->code, 0);  in gpio_keys_irq_isr()
462 		bdata->key_pressed = true;  in gpio_keys_irq_isr()
465 	if (bdata->release_delay)  in gpio_keys_irq_isr()
466 		mod_timer(&bdata->release_timer,  in gpio_keys_irq_isr()
467 			jiffies + msecs_to_jiffies(bdata->release_delay));  in gpio_keys_irq_isr()
469 	spin_unlock_irqrestore(&bdata->lock, flags);  in gpio_keys_irq_isr()
475 	struct gpio_button_data *bdata = data;  in gpio_keys_quiesce_key()  local
477 	if (bdata->gpiod)  in gpio_keys_quiesce_key()
478 		cancel_delayed_work_sync(&bdata->work);  in gpio_keys_quiesce_key()
480 		del_timer_sync(&bdata->release_timer);  in gpio_keys_quiesce_key()
492 	struct gpio_button_data *bdata = &ddata->data[idx];  in gpio_keys_setup_key()  local
498 	bdata->input = input;  in gpio_keys_setup_key()
499 	bdata->button = button;  in gpio_keys_setup_key()
500 	spin_lock_init(&bdata->lock);  in gpio_keys_setup_key()
503 		bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL,  in gpio_keys_setup_key()
507 		if (IS_ERR(bdata->gpiod)) {  in gpio_keys_setup_key()
508 			error = PTR_ERR(bdata->gpiod);  in gpio_keys_setup_key()
514 				bdata->gpiod = NULL;  in gpio_keys_setup_key()
539 		bdata->gpiod = gpio_to_desc(button->gpio);  in gpio_keys_setup_key()
540 		if (!bdata->gpiod)  in gpio_keys_setup_key()
544 	if (bdata->gpiod) {  in gpio_keys_setup_key()
545 		bool active_low = gpiod_is_active_low(bdata->gpiod);  in gpio_keys_setup_key()
548 			error = gpiod_set_debounce(bdata->gpiod,  in gpio_keys_setup_key()
552 				bdata->software_debounce =  in gpio_keys_setup_key()
557 			bdata->irq = button->irq;  in gpio_keys_setup_key()
559 			irq = gpiod_to_irq(bdata->gpiod);  in gpio_keys_setup_key()
567 			bdata->irq = irq;  in gpio_keys_setup_key()
570 		INIT_DELAYED_WORK(&bdata->work, gpio_keys_gpio_work_func);  in gpio_keys_setup_key()
577 			bdata->wakeup_trigger_type = active_low ?  in gpio_keys_setup_key()
581 			bdata->wakeup_trigger_type = active_low ?  in gpio_keys_setup_key()
599 		bdata->irq = button->irq;  in gpio_keys_setup_key()
606 		bdata->release_delay = button->debounce_interval;  in gpio_keys_setup_key()
607 		timer_setup(&bdata->release_timer, gpio_keys_irq_timer, 0);  in gpio_keys_setup_key()
618 	bdata->code = &ddata->keymap[idx];  in gpio_keys_setup_key()
619 	*bdata->code = button->code;  in gpio_keys_setup_key()
620 	input_set_capability(input, button->type ?: EV_KEY, *bdata->code);  in gpio_keys_setup_key()
626 	error = devm_add_action(dev, gpio_keys_quiesce_key, bdata);  in gpio_keys_setup_key()
640 	error = devm_request_any_context_irq(dev, bdata->irq, isr, irqflags,  in gpio_keys_setup_key()
641 					     desc, bdata);  in gpio_keys_setup_key()
644 			bdata->irq, error);  in gpio_keys_setup_key()
657 		struct gpio_button_data *bdata = &ddata->data[i];  in gpio_keys_report_state()  local
658 		if (bdata->gpiod)  in gpio_keys_report_state()
659 			gpio_keys_gpio_report_event(bdata);  in gpio_keys_report_state()
879 gpio_keys_button_enable_wakeup(struct gpio_button_data *bdata)  in gpio_keys_button_enable_wakeup()  argument
883 	error = enable_irq_wake(bdata->irq);  in gpio_keys_button_enable_wakeup()
885 		dev_err(bdata->input->dev.parent,  in gpio_keys_button_enable_wakeup()
887 			bdata->irq, error);  in gpio_keys_button_enable_wakeup()
891 	if (bdata->wakeup_trigger_type) {  in gpio_keys_button_enable_wakeup()
892 		error = irq_set_irq_type(bdata->irq,  in gpio_keys_button_enable_wakeup()
893 					 bdata->wakeup_trigger_type);  in gpio_keys_button_enable_wakeup()
895 			dev_err(bdata->input->dev.parent,  in gpio_keys_button_enable_wakeup()
897 				bdata->wakeup_trigger_type, bdata->irq, error);  in gpio_keys_button_enable_wakeup()
898 			disable_irq_wake(bdata->irq);  in gpio_keys_button_enable_wakeup()
907 gpio_keys_button_disable_wakeup(struct gpio_button_data *bdata)  in gpio_keys_button_disable_wakeup()  argument
915 	if (bdata->wakeup_trigger_type) {  in gpio_keys_button_disable_wakeup()
916 		error = irq_set_irq_type(bdata->irq, IRQ_TYPE_EDGE_BOTH);  in gpio_keys_button_disable_wakeup()
918 			dev_warn(bdata->input->dev.parent,  in gpio_keys_button_disable_wakeup()
920 				 bdata->irq, error);  in gpio_keys_button_disable_wakeup()
923 	error = disable_irq_wake(bdata->irq);  in gpio_keys_button_disable_wakeup()
925 		dev_warn(bdata->input->dev.parent,  in gpio_keys_button_disable_wakeup()
927 			 bdata->irq, error);  in gpio_keys_button_disable_wakeup()
933 	struct gpio_button_data *bdata;  in gpio_keys_enable_wakeup()  local
938 		bdata = &ddata->data[i];  in gpio_keys_enable_wakeup()
939 		if (bdata->button->wakeup) {  in gpio_keys_enable_wakeup()
940 			error = gpio_keys_button_enable_wakeup(bdata);  in gpio_keys_enable_wakeup()
944 		bdata->suspended = true;  in gpio_keys_enable_wakeup()
951 		bdata = &ddata->data[i];  in gpio_keys_enable_wakeup()
952 		if (bdata->button->wakeup)  in gpio_keys_enable_wakeup()
953 			gpio_keys_button_disable_wakeup(bdata);  in gpio_keys_enable_wakeup()
954 		bdata->suspended = false;  in gpio_keys_enable_wakeup()
963 	struct gpio_button_data *bdata;  in gpio_keys_disable_wakeup()  local
967 		bdata = &ddata->data[i];  in gpio_keys_disable_wakeup()
968 		bdata->suspended = false;  in gpio_keys_disable_wakeup()
969 		if (irqd_is_wakeup_set(irq_get_irq_data(bdata->irq)))  in gpio_keys_disable_wakeup()
970 			gpio_keys_button_disable_wakeup(bdata);  in gpio_keys_disable_wakeup()