47 					 struct gpio_keys_button *button,  in gpio_keys_polled_check_state()  argument
53 		state = !!gpiod_get_value_cansleep(button->gpiod);  in gpio_keys_polled_check_state()
55 		state = !!gpiod_get_value(button->gpiod);  in gpio_keys_polled_check_state()
58 		unsigned int type = button->type ?: EV_KEY;  in gpio_keys_polled_check_state()
60 		input_event(input, type, button->code, state);  in gpio_keys_polled_check_state()
106 	struct gpio_keys_button *button;  in gpio_keys_polled_get_devtree_pdata()  local
115 	pdata = devm_kzalloc(dev, sizeof(*pdata) + nbuttons * sizeof(*button),  in gpio_keys_polled_get_devtree_pdata()
139 		button = &pdata->buttons[pdata->nbuttons++];  in gpio_keys_polled_get_devtree_pdata()
140 		button->gpiod = desc;  in gpio_keys_polled_get_devtree_pdata()
142 		if (fwnode_property_read_u32(child, "linux,code", &button->code)) {  in gpio_keys_polled_get_devtree_pdata()
149 		fwnode_property_read_string(child, "label", &button->desc);  in gpio_keys_polled_get_devtree_pdata()
152 					     &button->type))  in gpio_keys_polled_get_devtree_pdata()
153 			button->type = EV_KEY;  in gpio_keys_polled_get_devtree_pdata()
155 		button->wakeup = fwnode_property_present(child, "gpio-key,wakeup");  in gpio_keys_polled_get_devtree_pdata()
158 					     &button->debounce_interval))  in gpio_keys_polled_get_devtree_pdata()
159 			button->debounce_interval = 5;  in gpio_keys_polled_get_devtree_pdata()
235 		struct gpio_keys_button *button = &pdata->buttons[i];  in gpio_keys_polled_probe()  local
237 		unsigned int type = button->type ?: EV_KEY;  in gpio_keys_polled_probe()
239 		if (button->wakeup) {  in gpio_keys_polled_probe()
248 		if (!button->gpiod && gpio_is_valid(button->gpio)) {  in gpio_keys_polled_probe()
251 			if (button->active_low)  in gpio_keys_polled_probe()
254 			error = devm_gpio_request_one(&pdev->dev, button->gpio,  in gpio_keys_polled_probe()
255 					flags, button->desc ? : DRV_NAME);  in gpio_keys_polled_probe()
258 					button->gpio, error);  in gpio_keys_polled_probe()
262 			button->gpiod = gpio_to_desc(button->gpio);  in gpio_keys_polled_probe()
265 		if (IS_ERR(button->gpiod))  in gpio_keys_polled_probe()
266 			return PTR_ERR(button->gpiod);  in gpio_keys_polled_probe()
268 		bdata->can_sleep = gpiod_cansleep(button->gpiod);  in gpio_keys_polled_probe()
270 		bdata->threshold = DIV_ROUND_UP(button->debounce_interval,  in gpio_keys_polled_probe()
273 		input_set_capability(input, type, button->code);  in gpio_keys_polled_probe()