小编lab*_*ito的帖子

我拥有一个带有 UltraBase（扩展坞）的 Thinkpad。我的操作系统是 Ubuntu 10.10。现在，我想通过正确设置外部显示器的分辨率来对“对接”事件做出反应。这是我已经做过的事情：

$ udevadm info -a -p /sys/devices/platform/dock.0

Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.

looking at device '/devices/platform/dock.0':
  KERNEL=="dock.0"
  SUBSYSTEM=="platform"
  DRIVER==""
  ATTR{modalias}=="platform:dock"
  ATTR{docked}=="0"
  ATTR{flags}=="16"
  ATTR{uid}=="0"
  ATTR{type}=="dock_station"

looking at …