ACPI_SONY(4) FreeBSD Kernel Interfaces Manual ACPI_SONY(4)
NAME
acpi_sony - ACPI notebook controller driver for Sony laptops
SYNOPSIS
To compile this driver into the kernel, place the following line in your
kernel configuration file:
device acpi_sony
Alternatively, to load the driver as a module at boot time, place the
following line in loader.conf(5):
acpi_sony_load="YES"
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.
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.
SEE ALSO
acpi(4), sysctl(8)
HISTORY
The acpi_sony driver first appeared in FreeBSD 6.0.
AUTHORS
The acpi_sony driver was written by Takanori Watanabe
<
[email protected]>.
FreeBSD 14.1-RELEASE-p8 February 8, 2010 FreeBSD 14.1-RELEASE-p8