1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 2d3de851aSDavid Brownell #include <linux/bcd.h> 38bc3bcc9SPaul Gortmaker #include <linux/export.h> 4d3de851aSDavid Brownell _bcd2bin(unsigned char val)5b53d657dSSebastian Andrzej Siewiorunsigned _bcd2bin(unsigned char val) 6d3de851aSDavid Brownell { 7d3de851aSDavid Brownell return (val & 0x0f) + (val >> 4) * 10; 8d3de851aSDavid Brownell } 9b53d657dSSebastian Andrzej Siewior EXPORT_SYMBOL(_bcd2bin); 10d3de851aSDavid Brownell _bin2bcd(unsigned val)11b53d657dSSebastian Andrzej Siewiorunsigned char _bin2bcd(unsigned val) 12d3de851aSDavid Brownell { 13*cbf164cdSKuan-Wei Chiu const unsigned int t = (val * 103) >> 10; 14*cbf164cdSKuan-Wei Chiu 15*cbf164cdSKuan-Wei Chiu return (t << 4) | (val - t * 10); 16d3de851aSDavid Brownell } 17b53d657dSSebastian Andrzej Siewior EXPORT_SYMBOL(_bin2bcd); 18