![Dell V131 上的集成网络摄像头在不使用时会耗尽电池电量。如何关闭它?](https://linux22.com/image/1114404/Dell%20V131%20%E4%B8%8A%E7%9A%84%E9%9B%86%E6%88%90%E7%BD%91%E7%BB%9C%E6%91%84%E5%83%8F%E5%A4%B4%E5%9C%A8%E4%B8%8D%E4%BD%BF%E7%94%A8%E6%97%B6%E4%BC%9A%E8%80%97%E5%B0%BD%E7%94%B5%E6%B1%A0%E7%94%B5%E9%87%8F%E3%80%82%E5%A6%82%E4%BD%95%E5%85%B3%E9%97%AD%E5%AE%83%EF%BC%9F.png)
使用集成网络摄像头后,它永远不会完全关闭并持续消耗电池电量。来自powertop
:
The battery reports a discharge rate of 22.6 W
The estimated remaining time is 0 hours, 41 minutes
Summary: 369.6 wakeups/second, 60.7 GPU ops/seconds, 0.0 VFS ops/sec and 7.9% CPU use
Usage Events/s Category Description
100.0% Device USB device: Laptop_Integrated_Webcam_HD (CN0T3NPC724871BBK5P1A00)
11.8% Device Display backlight
5.7 ms/s 58.1 Process /usr/bin/pulseaudio --start --log-target=syslog
我该如何正确关闭它?所有可调参数都“良好”。
它是戴尔 V131。我不知道相机。这是我唯一无法在lsusb
输出中解释的设备:
# lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8086:0189 Intel Corp.
**Bus 001 Device 004: ID 1bcf:2880 Sunplus Innovation Technology Inc.**
Bus 002 Device 003: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
答案1
安装 TLP,它会自动为您完成。www.linrunner.de