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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* <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_INDIRECT
#error "patchkey.h included directly"
#endif
#ifndef _LINUX_PATCHKEY_H
#define _LINUX_PATCHKEY_H
/* Endian macros. */
#include <endian.h>
#if defined(__BYTE_ORDER)
#if __BYTE_ORDER == __BIG_ENDIAN
#define _PATCHKEY(id) (0xfd00 | id)
#elif __BYTE_ORDER == __LITTLE_ENDIAN
#define _PATCHKEY(id) ((id << 8) | 0x00fd)
#else
#error "could not determine byte order"
#endif
#endif
#endif /* _LINUX_PATCHKEY_H */
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