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authorPeter Osterlund <petero2@telia.com>2004-07-30 17:25:51 +0200
committerPeter Osterlund <petero2@telia.com>2006-04-09 04:02:43 +0200
commita8ea1ab150cd0359f2e1ccf7f7193dbee1e0d737 (patch)
tree9c4d8221ac7cc0b2a9bdace5292e417935d3b3a6 /alpscomm.c
parent347b1564e1a958e26a0caad5cf607a71b191ef54 (diff)
Added a comment about ALPS pointing stick initialization.
Diffstat (limited to 'alpscomm.c')
-rw-r--r--alpscomm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/alpscomm.c b/alpscomm.c
index 932be37..aa6d82b 100644
--- a/alpscomm.c
+++ b/alpscomm.c
@@ -37,6 +37,9 @@ ALPS_sync(int fd)
/*
* send the ALPS init sequence, ie 4 consecutive "disable"s before the "enable"
+ * This "magic knock" is performed both for the trackpad and for the pointing
+ * stick. Not all models have a pointing stick, but trying to initialize it
+ * anyway doesn't seem to hurt.
*/
static void
ALPS_initialize(int fd)