1 files changed, 26 insertions, 0 deletions
diff --git a/keyboards/keebio/bdn9/rev1/rev1.c b/keyboards/keebio/bdn9/rev1/rev1.c
index 4b32b73a0b..b1b0afc608 100644
--- a/keyboards/keebio/bdn9/rev1/rev1.c
+++ b/keyboards/keebio/bdn9/rev1/rev1.c
@@ -16,3 +16,29 @@ void eeconfig_init_kb(void) {
     eeconfig_update_kb(0);
     eeconfig_init_user();
 }
+
+bool encoder_update_kb(uint8_t index, bool clockwise) {
+    if (!encoder_update_user(index, clockwise)) { return false; }
+    if (index == 0) {
+        if (clockwise) {
+            tap_code(KC_VOLU);
+        } else {
+            tap_code(KC_VOLD);
+        }
+    }
+    else if (index == 1) {
+        if (clockwise) {
+            tap_code(KC_DOWN);
+        } else {
+            tap_code(KC_UP);
+        }
+    }
+    else if (index == 2) {
+        if (clockwise) {
+            tap_code(KC_PGDN);
+        } else {
+            tap_code(KC_PGUP);
+        }
+    }
+    return false;
+}