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01: /*
02:  * <linux/patchkey.h> -- definition of _PATCHKEY macro
03:  *
04:  * Copyright (C) 2005 Stuart Brady
05:  *
06:  * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
07:  * clear whether removing this would break anything in userspace.
08:  *
09:  * Do not include this file directly.  Please use <sys/soundcard.h> instead.
10:  * For kernel code, use <linux/soundcard.h>
11:  */
12: 
13: #ifndef _LINUX_PATCHKEY_H_INDIRECT
14: #error "patchkey.h included directly"
15: #endif
16: 
17: #ifndef _LINUX_PATCHKEY_H
18: #define _LINUX_PATCHKEY_H
19: 
20: /* Endian macros. */
21: #  include <endian.h>
22: 
23: #if   defined(__BYTE_ORDER)
24: #  if __BYTE_ORDER == __BIG_ENDIAN
25: #    define _PATCHKEY(id) (0xfd00|id)
26: #  elif __BYTE_ORDER == __LITTLE_ENDIAN
27: #    define _PATCHKEY(id) ((id<<8)|0x00fd)
28: #  else
29: #    error "could not determine byte order"
30: #  endif
31: #endif
32: 
33: #endif /* _LINUX_PATCHKEY_H */
34: 

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