FreeBSD manual

download PDF document: acpi_sony.4.pdf

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 <takawata@FreeBSD.org>. FreeBSD 14.0-RELEASE-p11 February 8, 2010 FreeBSD 14.0-RELEASE-p11