From: Peter Osterlund <petero2@telia.com>
To: Mike Keehan <mike_keehan@yahoo.com>
Cc: linux-kernel@vger.kernel.org, Vojtech Pavlik <vojtech@suse.cz>
Subject: Re: Synaptics driver on HP6100 and 2.5.73
Date: 06 Jul 2003 00:41:05 +0200 [thread overview]
Message-ID: <m2fzlkbnr2.fsf@telia.com> (raw)
In-Reply-To: <m2brwb9rzi.fsf@telia.com>
Peter Osterlund <petero2@telia.com> writes:
> Mike Keehan <mike_keehan@yahoo.com> writes:
>
> > The touchpad is recognised OK when the kernel boots,
> > and my usb
> > connected mouse works fine. But I get the following
> > message in
> > the syslog when I try to use the mousepad or any of
> > the buttons :-
> >
> > ... kernel: Synaptics driver lost sync at 1st byte
> >
> > Relevant /var/log/dmesg content:-
> >
> > drivers/usb/core/usb.c: registered new driver hid
> > drivers/usb/input/hid-core.c: v2.0:USB HID core
> > driver
> > mice: PS/2 mouse device common for all mice
> > synaptics reset failed
> > synaptics reset failed
> > synaptics reset failed
>
> The logs from your other mail show that the touchpad is still in
> relative mode (using 3 byte packets) instead of absolute mode (using 6
> byte packets.) I don't know why this happens, but ...
OK, the problem is that the touchpad needs a lot of time to wake up
after a reset command. As we found out in private conversation, 3
seconds is barely enough, so I suggest the following patch to fix the
problem:
--- linux/drivers/input/mouse.resume/psmouse-base.c Sat Jul 5 23:39:14 2003
+++ linux/drivers/input/mouse/psmouse-base.c Sun Jul 6 00:23:17 2003
@@ -201,7 +201,7 @@
psmouse->cmdcnt = receive;
if (command == PSMOUSE_CMD_RESET_BAT)
- timeout = 2000000; /* 2 sec */
+ timeout = 4000000; /* 4 sec */
if (command & 0xff)
if (psmouse_sendbyte(psmouse, command & 0xff))
--
Peter Osterlund - petero2@telia.com
http://w1.894.telia.com/~u89404340
next prev parent reply other threads:[~2003-07-05 22:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-26 22:00 Synaptics driver on HP6100 and 2.5.73 Mike Keehan
2003-07-03 22:15 ` Peter Osterlund
2003-07-05 22:41 ` Peter Osterlund [this message]
[not found] <1056747301.654.0.camel@zarquon>
2003-06-27 21:18 ` Mike Keehan
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