From 6d3fc76b7720c6eeb5f38cce32290cbbe28ae146 Mon Sep 17 00:00:00 2001 From: Antony Pavlov Date: Wed, 30 Jul 2014 00:10:17 +0400 Subject: lib: import 'bcd' from linux-3.15 Signed-off-by: Antony Pavlov Signed-off-by: Sascha Hauer --- lib/Makefile | 1 + lib/bcd.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+) create mode 100644 lib/bcd.c (limited to 'lib') diff --git a/lib/Makefile b/lib/Makefile index e8769a9be2..14442a7be5 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -1,3 +1,4 @@ +obj-y += bcd.o obj-$(CONFIG_BOOTSTRAP) += bootstrap/ obj-y += ctype.o obj-y += rbtree.o diff --git a/lib/bcd.c b/lib/bcd.c new file mode 100644 index 0000000000..b072d50a90 --- /dev/null +++ b/lib/bcd.c @@ -0,0 +1,14 @@ +#include +#include + +unsigned _bcd2bin(unsigned char val) +{ + return (val & 0x0f) + (val >> 4) * 10; +} +EXPORT_SYMBOL(_bcd2bin); + +unsigned char _bin2bcd(unsigned val) +{ + return ((val / 10) << 4) + val % 10; +} +EXPORT_SYMBOL(_bin2bcd); -- cgit v1.2.3