qmk_firmware/platforms/suspend.c

// Copyright 2022 QMK
// SPDX-License-Identifier: GPL-2.0-or-later

#include "suspend.h"
#include "matrix.h"

// TODO: Move to more correct location
__attribute__((weak)) void matrix_power_up(void) {}
__attribute__((weak)) void matrix_power_down(void) {}

/** \brief Run user level Power down
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_power_down_user(void) {}

/** \brief Run keyboard level Power down
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_power_down_kb(void) {
    suspend_power_down_user();
}

/** \brief run user level code immediately after wakeup
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_wakeup_init_user(void) {}

/** \brief run keyboard level code immediately after wakeup
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_wakeup_init_kb(void) {
    suspend_wakeup_init_user();
}

/** \brief suspend wakeup condition
 *
 * FIXME: needs doc
 */
bool suspend_wakeup_condition(void) {
    matrix_power_up();
    matrix_scan();
    matrix_power_down();
    for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
        if (matrix_get_row(r)) return true;
    }
    return false;
}