linux-5.10/lib/bcd.c

8c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0
8c2ecf20Sopenharmony_ci#include <linux/bcd.h>
8c2ecf20Sopenharmony_ci#include <linux/export.h>
8c2ecf20Sopenharmony_ci
8c2ecf20Sopenharmony_ciunsigned _bcd2bin(unsigned char val)
8c2ecf20Sopenharmony_ci{
8c2ecf20Sopenharmony_ci	return (val & 0x0f) + (val >> 4) * 10;
8c2ecf20Sopenharmony_ci}
8c2ecf20Sopenharmony_ciEXPORT_SYMBOL(_bcd2bin);
8c2ecf20Sopenharmony_ci
8c2ecf20Sopenharmony_ciunsigned char _bin2bcd(unsigned val)
8c2ecf20Sopenharmony_ci{
8c2ecf20Sopenharmony_ci	return ((val / 10) << 4) + val % 10;
8c2ecf20Sopenharmony_ci}
8c2ecf20Sopenharmony_ciEXPORT_SYMBOL(_bin2bcd);