1 files changed, 8 insertions, 0 deletions
diff --git a/keyboard/hhkb/matrix.c b/keyboard/hhkb/matrix.c
index 14fae0b82c..2dfb2f5e1f 100644
--- a/keyboard/hhkb/matrix.c
+++ b/keyboard/hhkb/matrix.c
@@ -188,6 +188,14 @@ void matrix_print(void)
     }
 }
 
+uint8_t matrix_key_count(void) {
+    uint8_t count = 0;
+    for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+        count += bitpop16(matrix_get_row(r));
+    }
+    return count;
+}
+
 void matrix_power_up(void) {
     KEY_POWER_ON();
 }