qmk_firmware/keyboards/keebio/iris/rev4/rev4.c

// Copyright 2025 Danny Nguyen (danny@keeb.io)
// 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) {
        if (clockwise) {
            tap_code(KC_VOLU);
        } else {
            tap_code(KC_VOLD);
        }
    } else if (index == 1) {
        if (clockwise) {
            tap_code(KC_PGDN);
        } else {
            tap_code(KC_PGUP);
        }
    }
    return false;
}
#endif