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include/linux/patchkey.h 757 Bytes
d7d243b52   Eric Lee   SMARC-iMX8MQ Linu...
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  /* SPDX-License-Identifier: GPL-2.0 */
  /*
   * <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
  #define _LINUX_PATCHKEY_H
  
  #  include <asm/byteorder.h>
  #include <uapi/linux/patchkey.h>
  
  #  if defined(__BIG_ENDIAN)
  #    define _PATCHKEY(id) (0xfd00|id)
  #  elif defined(__LITTLE_ENDIAN)
  #    define _PATCHKEY(id) ((id<<8)|0x00fd)
  #  else
  #    error "could not determine byte order"
  #  endif
  #endif /* _LINUX_PATCHKEY_H */