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):
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 ⟨takawata@FreeBSD.org⟩.