2 * <linux/patchkey.h> -- definition of _PATCHKEY macro
4 * Copyright (C) 2005 Stuart Brady
6 * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
7 * clear whether removing this would break anything in userspace.
9 * Do not include this file directly. Please use <sys/soundcard.h> instead.
10 * For kernel code, use <linux/soundcard.h>
13 #ifndef _LINUX_PATCHKEY_H_INDIRECT
14 #error "patchkey.h included directly"
17 #ifndef _UAPI_LINUX_PATCHKEY_H
18 #define _UAPI_LINUX_PATCHKEY_H
25 #if !defined(__KERNEL__)
26 #if defined(__BYTE_ORDER)
27 # if __BYTE_ORDER == __BIG_ENDIAN
28 # define _PATCHKEY(id) (0xfd00|id)
29 # elif __BYTE_ORDER == __LITTLE_ENDIAN
30 # define _PATCHKEY(id) ((id<<8)|0x00fd)
32 # error "could not determine byte order"
37 #endif /* _UAPI_LINUX_PATCHKEY_H */