[linux-block.git] / include / linux / patchkey.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
60d300c0 SB	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	*/
60d300c0 SB	13	#ifndef _LINUX_PATCHKEY_H
	14	#define _LINUX_PATCHKEY_H
	15
60d300c0	16	# include <asm/byteorder.h>
607ca46e	17	#include <uapi/linux/patchkey.h>
60d300c0	18
60d300c0 SB	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
60d300c0	26	#endif /* _LINUX_PATCHKEY_H */