LXR linux/include/linux/patchkey.h

   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