1 files changed, 12 insertions, 0 deletions
diff --git a/keyboards/keebio/dsp40/rev1/rev1.c b/keyboards/keebio/dsp40/rev1/rev1.c
index 04c85b08d1..41187b90b6 100644
--- a/keyboards/keebio/dsp40/rev1/rev1.c
+++ b/keyboards/keebio/dsp40/rev1/rev1.c
@@ -24,3 +24,15 @@ 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);
+        }
+    }
+    return false;
+}