1 /* Permission is hereby granted to copy, modify and redistribute this code 2 * in terms of the GNU Library General Public License, Version 2 or later, 3 * at your option. 4 */ 5 6 /* macros to translate to/from binary and binary-coded decimal (frequently 7 * found in RTC chips). 8 */ 9 10 #ifndef _BCD_H 11 #define _BCD_H 12 13 #include <linux/compiler.h> 14 15 unsigned bcd2bin(unsigned char val) __attribute_const__; 16 unsigned char bin2bcd(unsigned val) __attribute_const__; 17 18 #endif /* _BCD_H */ 19