1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux << 2 /* 1 /* 3 * <linux/patchkey.h> -- definition of _PATCHK 2 * <linux/patchkey.h> -- definition of _PATCHKEY macro 4 * 3 * 5 * Copyright (C) 2005 Stuart Brady 4 * Copyright (C) 2005 Stuart Brady 6 * 5 * 7 * This exists because awe_voice.h defined its 6 * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't 8 * clear whether removing this would break any 7 * clear whether removing this would break anything in userspace. 9 * 8 * 10 * Do not include this file directly. Please 9 * Do not include this file directly. Please use <sys/soundcard.h> instead. 11 * For kernel code, use <linux/soundcard.h> 10 * For kernel code, use <linux/soundcard.h> 12 */ 11 */ 13 12 14 #ifndef _LINUX_PATCHKEY_H_INDIRECT 13 #ifndef _LINUX_PATCHKEY_H_INDIRECT 15 #error "patchkey.h included directly" 14 #error "patchkey.h included directly" 16 #endif 15 #endif 17 16 18 #ifndef _UAPI_LINUX_PATCHKEY_H 17 #ifndef _UAPI_LINUX_PATCHKEY_H 19 #define _UAPI_LINUX_PATCHKEY_H 18 #define _UAPI_LINUX_PATCHKEY_H 20 19 21 /* Endian macros. */ 20 /* Endian macros. */ 22 #ifndef __KERNEL__ 21 #ifndef __KERNEL__ 23 # include <endian.h> 22 # include <endian.h> 24 #endif 23 #endif 25 24 26 #if !defined(__KERNEL__) 25 #if !defined(__KERNEL__) 27 #if defined(__BYTE_ORDER) 26 #if defined(__BYTE_ORDER) 28 # if __BYTE_ORDER == __BIG_ENDIAN 27 # if __BYTE_ORDER == __BIG_ENDIAN 29 # define _PATCHKEY(id) (0xfd00|id) 28 # define _PATCHKEY(id) (0xfd00|id) 30 # elif __BYTE_ORDER == __LITTLE_ENDIAN 29 # elif __BYTE_ORDER == __LITTLE_ENDIAN 31 # define _PATCHKEY(id) ((id<<8)|0x00fd) 30 # define _PATCHKEY(id) ((id<<8)|0x00fd) 32 # else 31 # else 33 # error "could not determine byte order" 32 # error "could not determine byte order" 34 # endif 33 # endif 35 #endif 34 #endif 36 #endif 35 #endif 37 36 38 #endif /* _UAPI_LINUX_PATCHKEY_H */ 37 #endif /* _UAPI_LINUX_PATCHKEY_H */ 39 38
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