qmk_firmware/keyboards/lpad/lpad.c

// Copyright 2023 Laneware Peripherals
// SPDX-License-Identifier: GPL-2.0-or-later

#include "quantum.h"

#ifdef ENCODER_ENABLE
bool encoder_update_kb(uint8_t index, bool clockwise) {
    if (!encoder_update_user(index, clockwise)) return false;
    if (index == 0) { /* First encoder */
        if (clockwise) {
            tap_code(KC_VOLU);
        } else {
            tap_code(KC_VOLD);
        }
    } 
        return true; 
}
#endif