Messages in this thread Patch in this message | | | Date | Sun, 27 Feb 2005 19:34:45 +0000 | From | Stuart Brady <> | Subject | [RESEND] [PATCH] include/linux/soundcard.h: endianness fix |
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This fixes the AFMT_S16_NE and _PATCHKEY macros in include/linux/soundcard.h on some big-endian architectures.
Signed-off-by: Stuart Brady <sdbrady@ntlworld.com>
--- include/linux/soundcard.h 29 Jul 2003 17:02:14 -0000 1.1 +++ include/linux/soundcard.h 21 Jan 2005 18:51:45 -0000 @@ -39,6 +39,13 @@ /* In Linux we need to be prepared for cross compiling */ #include <linux/ioctl.h> +/* Endian macros. */ +#ifdef __KERNEL__ +# include <asm/byteorder.h> +#else +# include <endian.h> +#endif + /* * Supported card ID numbers (Should be somewhere else?) */ @@ -179,13 +186,26 @@ * Some big endian/little endian handling macros */ -#if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__sparc__) || defined(HPPA) || defined(PPC) || defined(__mc68000__) -/* Big endian machines */ -# define _PATCHKEY(id) (0xfd00|id) -# define AFMT_S16_NE AFMT_S16_BE -#else -# define _PATCHKEY(id) ((id<<8)|0xfd) -# define AFMT_S16_NE AFMT_S16_LE +#if defined(__KERNEL__) +# if defined(__BIG_ENDIAN) +# define AFMT_S16_NE AFMT_S16_BE +# define _PATCHKEY(id) (0xfd00|id) +# elif defined(__LITTLE_ENDIAN) +# define AFMT_S16_NE AFMT_S16_LE +# define _PATCHKEY(id) ((id<<8)|0x00fd) +# else +# error "could not determine byte order" +# endif +#elif defined(__BYTE_ORDER) +# if __BYTE_ORDER == __BIG_ENDIAN +# define AFMT_S16_NE AFMT_S16_BE +# define _PATCHKEY(id) (0xfd00|id) +# elif __BYTE_ORDER == __LITTLE_ENDIAN +# define AFMT_S16_NE AFMT_S16_LE +# define _PATCHKEY(id) ((id<<8)|0x00fd) +# else +# error "could not determine byte order" +# endif #endif /* - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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