remove assumption of one device per identifier

sway/input/input-manager.c

@@ -83,17 +83,6 @@ static struct sway_input_device *input_sway_device_from_wlr(
 	return NULL;
 }
 
-static struct sway_input_device *input_sway_device_from_config(
-		struct sway_input_manager *input, struct input_config *config) {
-	struct sway_input_device *input_device = NULL;
-	wl_list_for_each(input_device, &input->devices, link) {
-		if (strcmp(input_device->identifier, config->identifier) == 0) {
-			return input_device;
-		}
-	}
-	return NULL;
-}
-
 static bool input_has_seat_configuration(struct sway_input_manager *input) {
 	struct sway_seat *seat = NULL;
 	wl_list_for_each(seat, &input->seats, link) {
@@ -238,17 +227,17 @@ void sway_input_manager_set_focus(struct sway_input_manager *input,
 
 void sway_input_manager_apply_input_config(struct sway_input_manager *input,
 		struct input_config *input_config) {
-	struct sway_input_device *input_device =
+	struct sway_input_device *input_device = NULL;
-		input_sway_device_from_config(input, input_config);
+	wl_list_for_each(input_device, &input->devices, link) {
-	if (!input_device) {
+		if (strcmp(input_device->identifier, input_config->identifier) == 0) {
-		return;
-	}
 			input_device->config = input_config;
 
 			struct sway_seat *seat = NULL;
 			wl_list_for_each(seat, &input->seats, link) {
 				sway_seat_configure_device(seat, input_device);
 			}
+		}
+	}
 }
 
 void sway_input_manager_apply_seat_config(struct sway_input_manager *input,

sway/input/keyboard.c

@@ -91,6 +91,8 @@ void sway_keyboard_configure(struct sway_keyboard *keyboard) {
 	wlr_keyboard_set_keymap(wlr_device->keyboard, keyboard->keymap);
 	wlr_keyboard_set_repeat_info(wlr_device->keyboard, 25, 600);
 	xkb_context_unref(context);
+	struct wlr_seat *seat = keyboard->seat_device->sway_seat->wlr_seat;
+	wlr_seat_set_keyboard(seat, wlr_device);
 
 	wl_list_remove(&keyboard->keyboard_key.link);
 	wl_signal_add(&wlr_device->keyboard->events.key, &keyboard->keyboard_key);