qmk_firmware/users/peterfalken/peterfalken.c

// Copyright 2023 Peter.Falken (@PeterFalken)
// SPDX-License-Identifier: GPL-2.0-or-later

#include "peterfalken.h"

// Switch layer
#ifndef CUSTOM_LAYER_STATE
layer_state_t layer_state_set_user(layer_state_t state) {
    return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
}
#endif  // CUSTOM_LAYER_STATE