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 | |