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