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Add ALPS description

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ryoon 2017-09-06 14:38:41 +00:00
parent 019d8a7954
commit 7d71d0cef0
1 changed files with 20 additions and 4 deletions
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24
share/man/man4/pms.4
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@ -1,4 +1,4 @@
.\" $NetBSD: pms.4,v 1.24 2008/12/14 13:51:33 wiz Exp $
.\" $NetBSD: pms.4,v 1.25 2017/09/06 14:38:41 ryoon Exp $
.\"
.\" Copyright (c) 1993 Christopher G. Demetriou
.\" All rights reserved.
@ -46,6 +46,7 @@
.Cd options PMS_DISABLE_POWERHOOK
.Cd options PMS_SYNAPTICS_TOUCHPAD
.Cd options PMS_ELANTECH_TOUCHPAD
.Cd options PMS_ALPS_TOUCHPAD
.Sh DESCRIPTION
The
.Nm
@ -84,15 +85,19 @@ In addition, the
.Nm
driver supports the
.Dq Synaptics
and
,
.Dq Elantech
and
.Dq ALPS
touchpads in native mode, enabled with the
.Va PMS_SYNAPTICS_TOUCHPAD
and
,
.Va PMS_ELANTECH_TOUCHPAD
and
.Va PMS_ALPS_TOUCHPAD
kernel options.
This allows the driver to take advantage of extra
features available on Synaptics and Elantech Touchpads.
features available on Synaptics, Elantech and ALPS Touchpads.
The following
.Xr sysctl 8
variables control behavior of Synaptics touchpads:
@ -164,6 +169,17 @@ and 3 for z).
.Pp
For Elantech touchpads, the Z-axis is emulated using two-finger
Y-axis reporting.
.Pp
The following
.Xr sysctl 8
variables control behavior of ALPS touchpads:
.Bl -tag
.It Dv hw.alps.touchpad_xy_precision_shift
.It Dv hw.alps.tackstick_xy_precision_shift
Decreased values improve the accuracy of X and Y-axis reporting
at the expense of slower mouse movement (default 2 for touchpad
and 1 for TrackStick).
.El
.Sh SEE ALSO
.Xr pckbc 4 ,
.Xr ums 4 ,