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Merge tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg...
[mirror_ubuntu-bionic-kernel.git] / include / linux / patchkey.h
1 /*
2 * <linux/patchkey.h> -- definition of _PATCHKEY macro
3 *
4 * Copyright (C) 2005 Stuart Brady
5 *
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.
8 *
9 * Do not include this file directly. Please use <sys/soundcard.h> instead.
10 * For kernel code, use <linux/soundcard.h>
11 */
12 #ifndef _LINUX_PATCHKEY_H
13 #define _LINUX_PATCHKEY_H
14
15 # include <asm/byteorder.h>
16 #include <uapi/linux/patchkey.h>
17
18 # if defined(__BIG_ENDIAN)
19 # define _PATCHKEY(id) (0xfd00|id)
20 # elif defined(__LITTLE_ENDIAN)
21 # define _PATCHKEY(id) ((id<<8)|0x00fd)
22 # else
23 # error "could not determine byte order"
24 # endif
25 #endif /* _LINUX_PATCHKEY_H */