xref: /OK3568_Linux_fs/kernel/include/linux/patchkey.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * <linux/patchkey.h> -- definition of _PATCHKEY macro
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2005 Stuart Brady
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
8*4882a593Smuzhiyun  * clear whether removing this would break anything in userspace.
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * Do not include this file directly.  Please use <sys/soundcard.h> instead.
11*4882a593Smuzhiyun  * For kernel code, use <linux/soundcard.h>
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun #ifndef _LINUX_PATCHKEY_H
14*4882a593Smuzhiyun #define _LINUX_PATCHKEY_H
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #  include <asm/byteorder.h>
17*4882a593Smuzhiyun #include <uapi/linux/patchkey.h>
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #  if defined(__BIG_ENDIAN)
20*4882a593Smuzhiyun #    define _PATCHKEY(id) (0xfd00|id)
21*4882a593Smuzhiyun #  elif defined(__LITTLE_ENDIAN)
22*4882a593Smuzhiyun #    define _PATCHKEY(id) ((id<<8)|0x00fd)
23*4882a593Smuzhiyun #  else
24*4882a593Smuzhiyun #    error "could not determine byte order"
25*4882a593Smuzhiyun #  endif
26*4882a593Smuzhiyun #endif /* _LINUX_PATCHKEY_H */
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