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38 lines
965 B
38 lines
965 B
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* <linux/patchkey.h> -- definition of _PATCHKEY macro |
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* |
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* Copyright (C) 2005 Stuart Brady |
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* |
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* This exists because awe_voice.h defined its own _PATCHKEY and it wasn't |
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* clear whether removing this would break anything in userspace. |
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* |
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* Do not include this file directly. Please use <sys/soundcard.h> instead. |
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* For kernel code, use <linux/soundcard.h> |
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*/ |
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#ifndef _LINUX_PATCHKEY_H_INDIRECT |
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#error "patchkey.h included directly" |
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#endif |
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#ifndef _UAPI_LINUX_PATCHKEY_H |
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#define _UAPI_LINUX_PATCHKEY_H |
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/* Endian macros. */ |
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#ifndef __KERNEL__ |
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# include <endian.h> |
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#endif |
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#if !defined(__KERNEL__) |
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#if defined(__BYTE_ORDER) |
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# if __BYTE_ORDER == __BIG_ENDIAN |
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# define _PATCHKEY(id) (0xfd00|id) |
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# elif __BYTE_ORDER == __LITTLE_ENDIAN |
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# define _PATCHKEY(id) ((id<<8)|0x00fd) |
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# else |
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# error "could not determine byte order" |
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# endif |
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#endif |
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#endif |
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#endif /* _UAPI_LINUX_PATCHKEY_H */
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