OpenCloudOS-Kernel/include/linux/patchkey.h

27 lines
757 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* <linux/patchkey.h> -- definition of _PATCHKEY macro
*
* Copyright (C) 2005 Stuart Brady
*
* This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
* clear whether removing this would break anything in userspace.
*
* Do not include this file directly. Please use <sys/soundcard.h> instead.
* For kernel code, use <linux/soundcard.h>
*/
#ifndef _LINUX_PATCHKEY_H
#define _LINUX_PATCHKEY_H
# include <asm/byteorder.h>
#include <uapi/linux/patchkey.h>
# if defined(__BIG_ENDIAN)
# define _PATCHKEY(id) (0xfd00|id)
# elif defined(__LITTLE_ENDIAN)
# define _PATCHKEY(id) ((id<<8)|0x00fd)
# else
# error "could not determine byte order"
# endif
#endif /* _LINUX_PATCHKEY_H */