diff options
| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /lib/bcd.c | |
first commit
Diffstat (limited to 'lib/bcd.c')
| -rw-r--r-- | lib/bcd.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/bcd.c b/lib/bcd.c new file mode 100644 index 000000000..40d304efe --- /dev/null +++ b/lib/bcd.c @@ -0,0 +1,14 @@ +#include <linux/bcd.h> +#include <linux/export.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); |