[Keyboard] Add Coban Pad 3A (#19634)

keyboards/coban/pad3a/pad3a.c

@@ -0,0 +1,29 @@
+/* Copyright 2021 RyanDam (https://github.com/RyanDam)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "quantum.h"
+
+#if defined(ENCODER_ENABLE)
+bool encoder_update_kb(uint8_t index, bool clockwise) {
+    if (!encoder_update_user(index, clockwise)) { return false; }
+    if (clockwise) {
+        tap_code_delay(KC_VOLU, 10);
+    } else {
+        tap_code_delay(KC_VOLD, 10);
+    }
+    return true;
+}
+#endif