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48 lines
1 KiB
C++
48 lines
1 KiB
C++
/*
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* SPDX-FileCopyrightText: 2020 Han Young <hanyoung@protonmail.com>
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* SPDX-FileCopyrightText: 2022 by Devin Lin <devin@kde.org>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "flashlightutil.h"
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#include <fcntl.h>
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#include <unistd.h>
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#include <QDebug>
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#include <QFileInfo>
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// FIXME this is hardcoded to the PinePhone for now
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static const char *FLASH_SYSFS_PATH = "/sys/devices/platform/led-controller/leds/white:flash/brightness";
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FlashlightUtil::FlashlightUtil(QObject *parent)
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: QObject{parent}
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, m_torchEnabled{false}
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{
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}
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void FlashlightUtil::toggleTorch()
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{
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int fd = open(FLASH_SYSFS_PATH, O_WRONLY);
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if (fd < 0) {
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qWarning() << "Unable to open file %s" << FLASH_SYSFS_PATH;
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return;
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}
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write(fd, m_torchEnabled ? "0" : "1", 1);
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close(fd);
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m_torchEnabled = !m_torchEnabled;
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Q_EMIT torchChanged(m_torchEnabled);
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}
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bool FlashlightUtil::torchEnabled() const
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{
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return m_torchEnabled;
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}
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bool FlashlightUtil::isAvailable() const
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{
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return QFileInfo::exists(FLASH_SYSFS_PATH);
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}
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