acpi_sony — ACPI notebook controller driver for Sony laptops
Contents
Description
The acpi_sony driver provides support for the notebook controller in Sony laptops. Note that not all
features will work on all laptop models.
History
The acpi_sony driver first appeared in FreeBSD 6.0.
Name
acpi_sony — ACPI notebook controller driver for Sony laptops
See Also
acpi(4), sysctl(8)
Synopsis
To compile this driver into the kernel, place the following line in your kernel configuration file:
deviceacpi_sony
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
acpi_sony_load="YES"
Sysctls
The following sysctl nodes are currently implemented:
dev.acpi_sony.0.brightness
Current brightness level of the display.
dev.acpi_sony.0.brightness_default
Default brightness level of the display (survives reboot).
dev.acpi_sony.0.contrast
Current contrast level of the display.
dev.acpi_sony.0.bass_gain
Enable or disable the Bass Gain feature.
dev.acpi_sony.0.cdp
Turns the CD power on or off.
dev.acpi_sony.0.azp
Turns the audio power on or off.
dev.acpi_sony.0.lnp
Turns the wired network interface power on or off.
