pcspeaker.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/init.h>
static __init int add_pcspkr(void)
{
struct platform_device *pd;
pd = platform_device_register_simple("pcspkr", -1, NULL, 0);
return PTR_ERR_OR_ZERO(pd);
}
device_initcall(add_pcspkr);