72 	struct surface_button *button = acpi_driver_data(device);  in surface_button_notify()  local
111 	input = button->input;  in surface_button_notify()
116 	if (button->suspended)  in surface_button_notify()
126 	struct surface_button *button = acpi_driver_data(device);  in surface_button_suspend()  local
128 	button->suspended = true;  in surface_button_suspend()
135 	struct surface_button *button = acpi_driver_data(device);  in surface_button_resume()  local
137 	button->suspended = false;  in surface_button_resume()
144 	struct surface_button *button;  in surface_button_add()  local
154 	button = kzalloc(sizeof(struct surface_button), GFP_KERNEL);  in surface_button_add()
155 	if (!button)  in surface_button_add()
158 	device->driver_data = button;  in surface_button_add()
159 	button->input = input = input_allocate_device();  in surface_button_add()
167 	snprintf(button->phys, sizeof(button->phys), "%s/buttons", hid);  in surface_button_add()
170 	input->phys = button->phys;  in surface_button_add()
188 	kfree(button);  in surface_button_add()
194 	struct surface_button *button = acpi_driver_data(device);  in surface_button_remove()  local
196 	input_unregister_device(button->input);  in surface_button_remove()
197 	kfree(button);  in surface_button_remove()