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