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acpi_sony - ACPI notebook controller driver for Sony laptops
To compile this driver into the kernel, place the following line in your
kernel configuration file:
Alternatively, to load the driver as a module at boot time, place the
following line in loader.conf(5):
The acpi_sony driver provides support for the notebook controller in Sony
The following sysctl is currently implemented:
Current brightness level of the display.
The acpi_sony driver first appeared in FreeBSD 6.0.
The acpi_sony driver was written by Takanori Watanabe