1*53ee8cc1Swenshuai.xi /* 2*53ee8cc1Swenshuai.xi * <linux/patchkey.h> -- definition of _PATCHKEY macro 3*53ee8cc1Swenshuai.xi * 4*53ee8cc1Swenshuai.xi * Copyright (C) 2005 Stuart Brady 5*53ee8cc1Swenshuai.xi * 6*53ee8cc1Swenshuai.xi * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't 7*53ee8cc1Swenshuai.xi * clear whether removing this would break anything in userspace. 8*53ee8cc1Swenshuai.xi * 9*53ee8cc1Swenshuai.xi * Do not include this file directly. Please use <sys/soundcard.h> instead. 10*53ee8cc1Swenshuai.xi * For kernel code, use <linux/soundcard.h> 11*53ee8cc1Swenshuai.xi */ 12*53ee8cc1Swenshuai.xi 13*53ee8cc1Swenshuai.xi #ifndef _LINUX_PATCHKEY_H_INDIRECT 14*53ee8cc1Swenshuai.xi #error "patchkey.h included directly" 15*53ee8cc1Swenshuai.xi #endif 16*53ee8cc1Swenshuai.xi 17*53ee8cc1Swenshuai.xi #ifndef _LINUX_PATCHKEY_H 18*53ee8cc1Swenshuai.xi #define _LINUX_PATCHKEY_H 19*53ee8cc1Swenshuai.xi 20*53ee8cc1Swenshuai.xi /* Endian macros. */ 21*53ee8cc1Swenshuai.xi # include <endian.h> 22*53ee8cc1Swenshuai.xi 23*53ee8cc1Swenshuai.xi #if defined(__BYTE_ORDER) 24*53ee8cc1Swenshuai.xi # if __BYTE_ORDER == __BIG_ENDIAN 25*53ee8cc1Swenshuai.xi # define _PATCHKEY(id) (0xfd00|id) 26*53ee8cc1Swenshuai.xi # elif __BYTE_ORDER == __LITTLE_ENDIAN 27*53ee8cc1Swenshuai.xi # define _PATCHKEY(id) ((id<<8)|0x00fd) 28*53ee8cc1Swenshuai.xi # else 29*53ee8cc1Swenshuai.xi # error "could not determine byte order" 30*53ee8cc1Swenshuai.xi # endif 31*53ee8cc1Swenshuai.xi #endif 32*53ee8cc1Swenshuai.xi 33*53ee8cc1Swenshuai.xi #endif /* _LINUX_PATCHKEY_H */ 34