1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * <linux/patchkey.h> -- definition of _PATCHKEY macro
4  *
5  * Copyright (C) 2005 Stuart Brady
6  *
7  * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
8  * clear whether removing this would break anything in userspace.
9  *
10  * Do not include this file directly.  Please use <sys/soundcard.h> instead.
11  * For kernel code, use <linux/soundcard.h>
12  */
13 #ifndef _LINUX_PATCHKEY_H
14 #define _LINUX_PATCHKEY_H
15 
16 #  include <asm/byteorder.h>
17 #include <uapi/linux/patchkey.h>
18 
19 #  if defined(__BIG_ENDIAN)
20 #    define _PATCHKEY(id) (0xfd00|id)
21 #  elif defined(__LITTLE_ENDIAN)
22 #    define _PATCHKEY(id) ((id<<8)|0x00fd)
23 #  else
24 #    error "could not determine byte order"
25 #  endif
26 #endif /* _LINUX_PATCHKEY_H */
27