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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 12:25:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 12:25:57 -0300 |
| commit | 50cb993ea6cd187bfed085cb3e0747066edeb02f (patch) | |
| tree | 61edac62c6c5bc07c59e4369c50c6821ad77f2c0 /include/linux/bcd.h | |
| parent | 445c2714cf72817ab1ad3ca894c6d9b2047b3a3e (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'include/linux/bcd.h')
| -rw-r--r-- | include/linux/bcd.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/bcd.h b/include/linux/bcd.h index c545308125b..7ac518e3c15 100644 --- a/include/linux/bcd.h +++ b/include/linux/bcd.h @@ -10,8 +10,13 @@ #ifndef _BCD_H #define _BCD_H -#define BCD2BIN(val) (((val) & 0x0f) + ((val)>>4)*10) -#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10) +#include <linux/compiler.h> + +unsigned bcd2bin(unsigned char val) __attribute_const__; +unsigned char bin2bcd(unsigned val) __attribute_const__; + +#define BCD2BIN(val) bcd2bin(val) +#define BIN2BCD(val) bin2bcd(val) /* backwards compat */ #define BCD_TO_BIN(val) ((val)=BCD2BIN(val)) |