include/linux/patchkey.h

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