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ACPI_SONY(4)		    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  mod-
       els.

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	14.3		       February	8, 2010			  ACPI_SONY(4)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=acpi_sony&sektion=4&manpath=FreeBSD+14.3-RELEASE+and+Ports>

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