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authorArjan Opmeer <arjan@opmeer.net>2009-04-18 19:05:40 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-04-18 19:11:51 -0700
commit3f8c0df43dec51fbdfb2627f7574aa00a5fce98c (patch)
treeb3d3f433d6542ce2f94b05d1ca77be226fe637d0 /drivers/input/mouse/elantech.h
parent3deb649e654ff87b87de9e415ac43ca8afbdff07 (diff)
Input: elantech - provide a workaround for jumpy cursor on firmware 2.34
It seems that Elantech touchpad firmware version 2.34 on the Hercules eCAFÉ suffers from a problem where bogus coordinates get reported at the beginning of a touch action. This causes the mouse cursor or the scrolled page to jump. Included patch provides a workaround that discards mouse packets that are likely to contain bogus coordinates. The workaround is activated when we detect touchpad with fimware version 2.34. Signed-off-by: Arjan Opmeer <arjan@opmeer.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse/elantech.h')
-rw-r--r--drivers/input/mouse/elantech.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index bee282b540b..ed848cc8081 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -1,7 +1,7 @@
/*
- * Elantech Touchpad driver (v5)
+ * Elantech Touchpad driver (v6)
*
- * Copyright (C) 2007-2008 Arjan Opmeer <arjan@opmeer.net>
+ * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -104,6 +104,7 @@ struct elantech_data {
unsigned char fw_version_min;
unsigned char hw_version;
unsigned char paritycheck;
+ unsigned char jumpy_cursor;
unsigned char parity[256];
};