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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	Ports 11.2	       February	8, 2010		    FreeBSD Ports 11.2

NAME | SYNOPSIS | DESCRIPTION | SYSCTLS | SEE ALSO | HISTORY | AUTHORS

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=acpi_sony&manpath=FreeBSD+12.0-RELEASE+and+Ports>

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