1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  Airplane mode button for AMD, HP & Xiaomi laptops
5  *  Copyright (C) 2014-2017 Alex Hung <alex.hung@canonical.com>
37 	struct wl_button *button = acpi_driver_data(device);  in wireless_input_setup()  local
40 	button->input_dev = input_allocate_device();  in wireless_input_setup()
41 	if (!button->input_dev)  in wireless_input_setup()
42 		return -ENOMEM;  in wireless_input_setup()
44 	snprintf(button->phys, sizeof(button->phys), "%s/input0", acpi_device_hid(device));  in wireless_input_setup()
46 	button->input_dev->name = "Wireless hotkeys";  in wireless_input_setup()
47 	button->input_dev->phys = button->phys;  in wireless_input_setup()
48 	button->input_dev->id.bustype = BUS_HOST;  in wireless_input_setup()
49 	button->input_dev->evbit[0] = BIT(EV_KEY);  in wireless_input_setup()
50 	set_bit(KEY_RFKILL, button->input_dev->keybit);  in wireless_input_setup()
52 	err = input_register_device(button->input_dev);  in wireless_input_setup()
59 	input_free_device(button->input_dev);  in wireless_input_setup()
65 	struct wl_button *button = acpi_driver_data(device);  in wireless_input_destroy()  local
67 	input_unregister_device(button->input_dev);  in wireless_input_destroy()
68 	kfree(button);  in wireless_input_destroy()
73 	struct wl_button *button = acpi_driver_data(acpi_dev);  in wl_notify()  local
80 	input_report_key(button->input_dev, KEY_RFKILL, 1);  in wl_notify()
81 	input_sync(button->input_dev);  in wl_notify()
82 	input_report_key(button->input_dev, KEY_RFKILL, 0);  in wl_notify()
83 	input_sync(button->input_dev);  in wl_notify()
88 	struct wl_button *button;  in wl_add()  local
91 	button = kzalloc(sizeof(struct wl_button), GFP_KERNEL);  in wl_add()
92 	if (!button)  in wl_add()
93 		return -ENOMEM;  in wl_add()
95 	device->driver_data = button;  in wl_add()
100 		kfree(button);  in wl_add()
112 	.name	= "wireless-hotkey",