1 files changed, 18 insertions, 0 deletions
diff --git a/users/mtei/matrix_output_unselect_delay_ondemand.c b/users/mtei/matrix_output_unselect_delay_ondemand.c
new file mode 100644
index 0000000000..362d8a1303
--- /dev/null
+++ b/users/mtei/matrix_output_unselect_delay_ondemand.c
@@ -0,0 +1,18 @@
+// Copyright (c) 2021 Takeshi Ishii (mtei@github)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
+     /* If none of the keys are pressed,
+      *  there is no need to wait for time for the next line. */
+     if (key_pressed) {
+#    ifdef MATRIX_IO_DELAY
+#        if MATRIX_IO_DELAY > 0
+         wait_us(MATRIX_IO_DELAY);
+#        endif
+#    else
+         wait_us(30);
+#    endif
+     }
+}