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Monday, 28 June 2010

acpi_call -- a simple way to call ACPI methods

One of the hybrid-graphics-linux Launchpad team members has created a Linux kernel module to call ACPI methods through /proc/acpi/call. The code is here:

You can try it by installing the module and then calling it like this:

sudo insmod acpi_call.ko

echo '\_SB.PCI0.PEG1.GFX0.DOFF' > /proc/acpi/call