[src/trunk]: src/sys/dev/pckbport erect a signpost for weary travellers

[nia <nia%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/17663faf809b
branches:  trunk
changeset: 940035:17663faf809b
user:      nia <nia%NetBSD.org@localhost>
date:      Thu Oct 01 15:08:11 2020 +0000

description:
erect a signpost for weary travellers

diffstat:

 sys/dev/pckbport/synaptics.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r 6b911e29e8fe -r 17663faf809b sys/dev/pckbport/synaptics.c
--- a/sys/dev/pckbport/synaptics.c      Thu Oct 01 14:33:26 2020 +0000
+++ b/sys/dev/pckbport/synaptics.c      Thu Oct 01 15:08:11 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: synaptics.c,v 1.68 2020/10/01 14:33:26 nia Exp $       */
+/*     $NetBSD: synaptics.c,v 1.69 2020/10/01 15:08:11 nia Exp $       */
 
 /*
  * Copyright (c) 2005, Steve C. Woodford
@@ -48,7 +48,7 @@
 #include "opt_pms.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: synaptics.c,v 1.68 2020/10/01 14:33:26 nia Exp $");
+__KERNEL_RCSID(0, "$NetBSD: synaptics.c,v 1.69 2020/10/01 15:08:11 nia Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1141,6 +1141,10 @@
        pms_synaptics_process_packet(psc, &sp);
 }
 
+/*
+ * Passthrough is used for e.g. TrackPoints and additional pointing
+ * devices connected to a Synaptics touchpad.
+ */
 static void
 pms_synaptics_passthrough(struct pms_softc *psc)
 {