斐讯 n1 armbian 关 LED 灯

# 1. 创建服务文件
cat > /etc/systemd/system/set-brightness.service << 'EOF'
[Unit]
Description=Set LED brightness to 0
After=local-fs.target

[Service]
Type=oneshot
ExecStart=/bin/sh -c 'echo 0 > /sys/class/leds/n1:white:status/brightness'
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target
EOF

# 2. 启用服务
systemctl daemon-reload
systemctl enable set-brightness.service

# 3. 立即测试
systemctl start set-brightness.service

# 4. 验证状态
systemctl status set-brightness.service
cat /sys/class/leds/n1:white:status/brightness