aboutsummaryrefslogtreecommitdiff
path: root/lib/bcd.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/bcd.c')
-rw-r--r--lib/bcd.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/bcd.c b/lib/bcd.c
new file mode 100644
index 00000000000..d74257fd0fe
--- /dev/null
+++ b/lib/bcd.c
@@ -0,0 +1,14 @@
+#include <linux/bcd.h>
+#include <linux/module.h>
+
+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);