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$FreeBSD$
.Dd February 8, 2010 .Dt ACPI_SONY 4 .Os .Sh NAME .Nm acpi_sony .Nd "ACPI notebook controller driver for Sony laptops" .Sh SYNOPSIS To compile this driver into the kernel, place the following line in your kernel configuration file: d -ragged -offset indent .Cd "device acpi_sony" .Ed
p Alternatively, to load the driver as a module at boot time, place the following line in .Xr loader.conf 5 : d -literal -offset indent acpi_sony_load="YES" .Ed .Sh DESCRIPTION The .Nm driver provides support for the notebook controller in Sony laptops. Note that not all features will work on all laptop models. .Sh SYSCTLS The following sysctl nodes are currently implemented: l -tag -width indent t Va dev.acpi_sony.0.brightness Current brightness level of the display. t Va dev.acpi_sony.0.brightness_default Default brightness level of the display (survives reboot). t Va dev.acpi_sony.0.contrast Current contrast level of the display. t Va dev.acpi_sony.0.bass_gain Enable or disable the Bass Gain feature. t Va dev.acpi_sony.0.cdp Turns the CD power on or off. t Va dev.acpi_sony.0.azp Turns the audio power on or off. t Va dev.acpi_sony.0.lnp Turns the wired network interface power on or off. .El .Sh SEE ALSO .Xr acpi 4 , .Xr sysctl 8 .Sh HISTORY The .Nm driver first appeared in .Fx 6.0 . .Sh AUTHORS The .Nm driver was written by .An Takanori Watanabe Aq Mt takawata@FreeBSD.org .