18 lines · c
1// SPDX-License-Identifier: GPL-2.02#include <linux/bcd.h>3#include <linux/export.h>4 5unsigned _bcd2bin(unsigned char val)6{7 return (val & 0x0f) + (val >> 4) * 10;8}9EXPORT_SYMBOL(_bcd2bin);10 11unsigned char _bin2bcd(unsigned val)12{13 const unsigned int t = (val * 103) >> 10;14 15 return (t << 4) | (val - t * 10);16}17EXPORT_SYMBOL(_bin2bcd);18