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-rw-r--r--tmk_core/common/keyboard.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index d8b5dc4031..fa17ffca25 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -74,20 +74,19 @@ static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata){
return out;
}
-
-static inline bool countones(matrix_row_t data)
+static inline bool countones(matrix_row_t row)
{
int count = 0;
- for (int col = 0; col < MATRIX_COLS; col++) {
- if (data & (1<<col)){
- count++;
- }
+ while (row > 0){
+ count += 1;
+ row &= row-1;
}
if (count > 1){
return true;
}
return false;
}
+
static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata)
{
rowdata = get_real_keys(row, rowdata);