acpi_toshiba man page on FreeBSD

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ACPI_TOSHIBA(4)	       BSD/i386 Kernel Interfaces Manual       ACPI_TOSHIBA(4)

NAME
     acpi_toshiba — Toshiba HCI interface

SYNOPSIS
     To compile this driver into the kernel, place the following line in your
     kernel configuration file:

	   device acpi_toshiba

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

	   acpi_toshiba_load="YES"

DESCRIPTION
     HCI is Toshiba's Hardware Control Interface which is somewhat uniform
     across their models.  The acpi_toshiba driver allows the user to manipu‐
     late HCI-controlled hardware using a number of sysctl(8) variables.

SYSCTL VARIABLES
     The following sysctls are currently implemented:

     hw.acpi.toshiba.force_fan
	     Causes active cooling to be forcibly enabled (‘1’) or disabled
	     (‘0’) regardless of the current temperature.

     hw.acpi.toshiba.video_output
	     Sets the active display to use according to a bitwise OR of the
	     following:

	     0	     No display
	     1	     LCD
	     2	     CRT
	     4	     TV-Out

	     Only some systems (i.e., the Libretto L5) support video switching
	     via this hardware-specific driver.	 Use the acpi_video(4) driver
	     for generic video output support.

     hw.acpi.toshiba.lcd_brightness
	     Makes the LCD backlight brighter or dimmer (higher values are
	     brighter).

     hw.acpi.toshiba.lcd_backlight
	     Turns the LCD backlight on and off.

     hw.acpi.toshiba.cpu_speed
	     Sets the CPU speed to the specified speed.	 This provides func‐
	     tionality similar to the hw.acpi.cpu.throttle_state variable.
	     Higher sysctl values mean lower CPU speeds.

     Defaults for these variables can be set in sysctl.conf(5), which is
     parsed at boot-time.

LOADER TUNABLES
     The hw.acpi.toshiba.enable_fn_keys tunable enables or disables the func‐
     tion keys on the keyboard.	 Function keys are enabled by default.

     This behaviour can be changed at the loader(8) prompt or in
     loader.conf(5).

SEE ALSO
     acpi(4), acpi_video(4), loader.conf(5), sysctl.conf(5), sysctl(8)

HISTORY
     The acpi_toshiba driver first appeared in FreeBSD 5.1.

AUTHORS
     The acpi_toshiba driver was written by Hiroyuki Aizu ⟨aizu@navi.org⟩.
     This manual page was written by Philip Paeps ⟨philip@FreeBSD.org⟩.

BSD			       February 19, 2004			   BSD
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