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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 /* inline functions to translate to/from binary and binary-coded decimal
7  * (frequently found in RTC chips).
8  */
9 
10 #ifndef _BCD_H
11 #define _BCD_H
12 
bcd2bin(unsigned int val)13 static inline unsigned int bcd2bin(unsigned int val)
14 {
15 	return ((val) & 0x0f) + ((val & 0xff) >> 4) * 10;
16 }
17 
bin2bcd(unsigned int val)18 static inline unsigned int bin2bcd(unsigned int val)
19 {
20 	return (((val / 10) << 4) | (val % 10));
21 }
22 
23 #endif /* _BCD_H */
24