[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / bcd.h

#ifndef _BCD_H
#define _BCD_H

#include <linux/compiler.h>

#define bcd2bin(x)					\
		(__builtin_constant_p((u8 )(x)) ?	\
		const_bcd2bin(x) :			\
		_bcd2bin(x))

#define bin2bcd(x)					\
		(__builtin_constant_p((u8 )(x)) ?	\
		const_bin2bcd(x) :			\
		_bin2bcd(x))

#define const_bcd2bin(x)	(((x) & 0x0f) + ((x) >> 4) * 10)
#define const_bin2bcd(x)	((((x) / 10) << 4) + (x) % 10)

unsigned _bcd2bin(unsigned char val) __attribute_const__;
unsigned char _bin2bcd(unsigned val) __attribute_const__;

#endif /* _BCD_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _BCD_H
	2	#define _BCD_H
	3
d3de851a DB	4	#include <linux/compiler.h>
d3de851a DB	5
b53d657d SAS	6	#define bcd2bin(x) \
	7	(__builtin_constant_p((u8 )(x)) ? \
	8	const_bcd2bin(x) : \
	9	_bcd2bin(x))
	10
	11	#define bin2bcd(x) \
	12	(__builtin_constant_p((u8 )(x)) ? \
	13	const_bin2bcd(x) : \
	14	_bin2bcd(x))
	15
	16	#define const_bcd2bin(x) (((x) & 0x0f) + ((x) >> 4) * 10)
	17	#define const_bin2bcd(x) ((((x) / 10) << 4) + (x) % 10)
	18
	19	unsigned _bcd2bin(unsigned char val) __attribute_const__;
	20	unsigned char _bin2bcd(unsigned val) __attribute_const__;
d3de851a	21
1da177e4	22	#endif /* _BCD_H */