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Input: ALPS - fix wheel decoding
author
Vojtech Pavlik
<vojtech@suse.cz>
Sun, 4 Sep 2005 06:40:43 +0000
(
01:40
-0500)
committer
Dmitry Torokhov
<dtor_core@ameritech.net>
Sun, 4 Sep 2005 06:40:43 +0000
(
01:40
-0500)
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/input/mouse/alps.c
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diff --git
a/drivers/input/mouse/alps.c
b/drivers/input/mouse/alps.c
index 0d68e5e0182aea89825963b8fc87b291ae320fd9..b20783f9748adbdad1be653abfd83dbec4448b1e 100644
(file)
--- a/
drivers/input/mouse/alps.c
+++ b/
drivers/input/mouse/alps.c
@@
-170,7
+170,7
@@
static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
input_report_key(dev, BTN_TOOL_FINGER, z > 0);
if (priv->i->flags & ALPS_WHEEL)
- input_report_rel(dev, REL_WHEEL, ((packet[
0] >> 4) & 0x07) | ((packet[2] >> 2) & 0x08
));
+ input_report_rel(dev, REL_WHEEL, ((packet[
2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07
));
if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
input_report_key(dev, BTN_FORWARD, forward);
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