Hi,
Here is the promised patch. It turns out protocol validation code was
a bit (or rather a byte ;) ) off.
Please let me know if it fixes your touchpad and I believe it would be
nice to have it in 2.6.11.
--
Dmitry
===================================================================
[EMAIL PROTECTED], 2005-02-08 18:12:06-05:00, [EMAIL PROTECTED]
Input: alps - fix protocol validation rules causing touchpad
to lose sync if an absolute packet is received after
a relative packet with negative Y displacement.
Signed-off-by: Dmitry Torokhov <[EMAIL PROTECTED]>
alps.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
===================================================================
diff -Nru a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
--- a/drivers/input/mouse/alps.c 2005-02-08 18:16:27 -05:00
+++ b/drivers/input/mouse/alps.c 2005-02-08 18:16:27 -05:00
@@ -198,8 +198,8 @@
return PSMOUSE_BAD_DATA;
/* Bytes 2 - 6 should have 0 in the highest bit */
- if (psmouse->pktcnt > 1 && psmouse->pktcnt <= 6 &&
- (psmouse->packet[psmouse->pktcnt] & 0x80))
+ if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 &&
+ (psmouse->packet[psmouse->pktcnt - 1] & 0x80))
return PSMOUSE_BAD_DATA;
if (psmouse->pktcnt == 6) {
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
