睡觉时,鼠标的LED灯使我神魂颠倒。我通常在晚上关闭笔记本电脑,然后打电话给Ubuntu pm-suspend
。无论如何,仍然可以为USB插头供电。我什至可以给智能手机充电。这对我来说很不好,原因有两个。我必须拔掉鼠标的电源,笔记本电池[akku]的使用寿命要短一些。当笔记本计算机进入挂起模式时,是否可以自动关闭USB设备或所有USB设备的电源?
如何配置呢?
编辑:根据注释中的要求,我添加此信息:我正在使用Lenovo G550。
编辑:根据要求在这里我的lsusb输出
Bus 002 Device 019: ID 1058:25a3 Western Digital Technologies, Inc.
Bus 002 Device 017: ID 1b1a:7001
Bus 002 Device 009: ID 2109:2812 VIA Labs, Inc. VL812 Hub
Bus 002 Device 008: ID 2109:2812 VIA Labs, Inc. VL812 Hub
Bus 002 Device 003: ID 0402:5608 ALi Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 006: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
编辑:我认为这些信息也导致答案。
root@localhost:/sys/bus/usb/devices# ls -al
insgesamt 0
drwxr-xr-x 2 root root 0 Okt 6 10:56 .
drwxr-xr-x 4 root root 0 Okt 6 10:56 ..
lrwxrwxrwx 1 root root 0 Okt 6 10:56 1-0:1.0 -> ../../../devices/pci0000:00/0000:00:1a.7/usb1/1-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-3 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-3
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-3:1.0 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-3/2-3:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-3:1.1 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-3/2-3:1.1
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.1 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.1
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5:1.0 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.1:1.0 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.1/2-5.1:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.1.2 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.1/2-5.1.2
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.1.2:1.0 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.1/2-5.1.2/2-5.1.2:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.1.2:1.1 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.1/2-5.1.2/2-5.1.2:1.1
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.2 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.2
lrwxrwxrwx 1 root root 0 Okt 6 10:56 2-5.2:1.0 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.2/2-5.2:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 3-0:1.0 -> ../../../devices/pci0000:00/0000:00:1a.0/usb3/3-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 4-0:1.0 -> ../../../devices/pci0000:00/0000:00:1a.1/usb4/4-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 5-0:1.0 -> ../../../devices/pci0000:00/0000:00:1a.2/usb5/5-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 6-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.0/usb6/6-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 6-1 -> ../../../devices/pci0000:00/0000:00:1d.0/usb6/6-1
lrwxrwxrwx 1 root root 0 Okt 6 10:56 6-1:1.0 -> ../../../devices/pci0000:00/0000:00:1d.0/usb6/6-1/6-1:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 6-1:1.1 -> ../../../devices/pci0000:00/0000:00:1d.0/usb6/6-1/6-1:1.1
lrwxrwxrwx 1 root root 0 Okt 6 10:56 6-1:1.2 -> ../../../devices/pci0000:00/0000:00:1d.0/usb6/6-1/6-1:1.2
lrwxrwxrwx 1 root root 0 Okt 6 10:56 7-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.1/usb7/7-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 8-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.2/usb8/8-0:1.0
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb1 -> ../../../devices/pci0000:00/0000:00:1a.7/usb1
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb2 -> ../../../devices/pci0000:00/0000:00:1d.7/usb2
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb3 -> ../../../devices/pci0000:00/0000:00:1a.0/usb3
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb4 -> ../../../devices/pci0000:00/0000:00:1a.1/usb4
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb5 -> ../../../devices/pci0000:00/0000:00:1a.2/usb5
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb6 -> ../../../devices/pci0000:00/0000:00:1d.0/usb6
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb7 -> ../../../devices/pci0000:00/0000:00:1d.1/usb7
lrwxrwxrwx 1 root root 0 Okt 6 10:56 usb8 -> ../../../devices/pci0000:00/0000:00:1d.2/usb8
编辑:
tokam@localhost:~$ lsusb -t
/: Bus 08.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 07.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
|__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 1: Dev 2, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 1: Dev 2, If 2, Class=Human Interface Device, Driver=usbhid, 12M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M
|__ Port 3: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 3: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 5: Dev 51, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 52, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 2: Dev 54, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 2: Dev 54, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 2: Dev 53, If 0, Class=Mass Storage, Driver=usb-storage, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M