1 files changed, 5 insertions, 0 deletions

diff --git a/quantum/matrix_common.c b/quantum/matrix_common.c
index 15f1e0e82..01d2b38e5 100644
--- a/quantum/matrix_common.c
+++ b/quantum/matrix_common.c
@@ -1,3 +1,4 @@
+#include "quantum.h"
 #include "matrix.h"
 #include "debounce.h"
 #include "wait.h"
@@ -83,8 +84,12 @@ uint8_t matrix_key_count(void) {
     return count;
 }
 
+/*　`matrix_io_delay ()` exists for backwards compatibility. From now on, use matrix_output_unselect_delay().　*/
 __attribute__((weak)) void matrix_io_delay(void) { wait_us(MATRIX_IO_DELAY); }
 
+__attribute__((weak)) void matrix_output_select_delay(void) { waitInputPinDelay(); }
+__attribute__((weak)) void matrix_output_unselect_delay(void) { matrix_io_delay(); }
+
 // CUSTOM MATRIX 'LITE'
 __attribute__((weak)) void matrix_init_custom(void) {}