patchkey.h 757 B

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  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. # include <asm/byteorder.h>
  16. #include <uapi/linux/patchkey.h>
  17. # if defined(__BIG_ENDIAN)
  18. # define _PATCHKEY(id) (0xfd00|id)
  19. # elif defined(__LITTLE_ENDIAN)
  20. # define _PATCHKEY(id) ((id<<8)|0x00fd)
  21. # else
  22. # error "could not determine byte order"
  23. # endif
  24. #endif /* _LINUX_PATCHKEY_H */