1 /* SPDX-License-Identifier: GPL-2.0 */
3 * <linux/patchkey.h> -- definition of _PATCHKEY macro
5 * Copyright (C) 2005 Stuart Brady
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.
10 * Do not include this file directly. Please use <sys/soundcard.h> instead.
11 * For kernel code, use <linux/soundcard.h>
13 #ifndef _LINUX_PATCHKEY_H
14 #define _LINUX_PATCHKEY_H
16 # include <asm/byteorder.h>
17 #include <uapi/linux/patchkey.h>
19 # if defined(__BIG_ENDIAN)
20 # define _PATCHKEY(id) (0xfd00|id)
21 # elif defined(__LITTLE_ENDIAN)
22 # define _PATCHKEY(id) ((id<<8)|0x00fd)
24 # error "could not determine byte order"
26 #endif /* _LINUX_PATCHKEY_H */