1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/bcd.h> 3 #include <linux/export.h> 4 5 unsigned _bcd2bin(unsigned char val) 6 { 7 return (val & 0x0f) + (val >> 4) * 10; 8 } 9 EXPORT_SYMBOL(_bcd2bin); 10 11 unsigned char _bin2bcd(unsigned val) 12 { 13 const unsigned int t = (val * 103) >> 10; 14 15 return (t << 4) | (val - t * 10); 16 } 17 EXPORT_SYMBOL(_bin2bcd); 18