lib/bcd.c

   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);