1// SPDX-License-Identifier: GPL-2.0
2#include <linux/platform_device.h>
3#include <linux/err.h>
4#include <linux/init.h>
5
6static __init int add_pcspkr(void)
7{
8 struct platform_device *pd;
9
10 pd = platform_device_register_simple(name: "pcspkr", id: -1, NULL, num: 0);
11
12 return PTR_ERR_OR_ZERO(ptr: pd);
13}
14device_initcall(add_pcspkr);
15

source code of linux/arch/x86/kernel/pcspeaker.c