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ACPI dock
From Gentoo Wiki (test)
This article describes the setup of an ACPI based docking stations and media bays.
Installation
Activate the following kernel options for dock support:
KERNEL Enabling ACPI dock support
'"`UNIQ--pre-00000000-QINU`"'
Note
Remember to recompile the kernel and to reboot the machine when enabling build-in kernel support. Without this step the new kernel will not be loaded into memory.
Remember to recompile the kernel and to reboot the machine when enabling build-in kernel support. Without this step the new kernel will not be loaded into memory.
Usage
After the driver is loaded, for each docking station or media bay a directory /sys/devices/platform/dock.0, /sys/devices/platform/dock.1, etc. will be created. The files and their information can be used in scripts to adjust power management, monitors (screens), or any dock related settings.