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WSP(4) Device Drivers Manual WSP(4)

NAME

wsp —
Wellspring touchpad driver

SYNOPSIS

To compile this driver into the kernel, place the following lines into your kernel configuration file:
device wsp
device usb

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

wsp_load="YES"

DESCRIPTION

The wsp driver provides support for the Apple Internal Trackpad device found in many Apple laptops.

The driver simulates a three-button mouse using multi-finger tap detection. A single-finger press generates a left button click. A two-finger tap maps to the right button; whereas a three-finger tap gets treated as a middle button click.

wsp supports dynamic reconfiguration using sysctl(8) through nodes under hw.usb.wsp. Pointer sensitivity can be controlled using the sysctl tunable hw.usb.wsp.scale_factor.

FILES

wsp creates a blocking pseudo-device file, /dev/wsp0, which presents the mouse as a sysmouse or mousesystems type device--see moused(8) for an explanation of these mouse types.

SEE ALSO

sysmouse(4), usb(4), loader.conf(5), xorg.conf(5) (ports/x11/xorg), moused(8), sysctl(8)

AUTHORS

The wsp driver was written by Huang Wen Hui <huanghwh@gmail.com>.
February 7, 2014 Linux 4.9.0-9-amd64