1 #include <linux/bcd.h>
2 #include <linux/module.h>
3 
bcd2bin(unsigned char val)4 unsigned bcd2bin(unsigned char val)
5 {
6 	return (val & 0x0f) + (val >> 4) * 10;
7 }
8 EXPORT_SYMBOL(bcd2bin);
9 
bin2bcd(unsigned val)10 unsigned char bin2bcd(unsigned val)
11 {
12 	return ((val / 10) << 4) + val % 10;
13 }
14 EXPORT_SYMBOL(bin2bcd);
15