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SubjectRe: PROBLEM: PS/2 mouse wart does not work, while scratch pad does.
Date

Take.Vos@binary-magic.com said:
> hardware:DELL Inspiron 8100

> The internal scratch pad works, but the internal wart mouse doesn't,
> in the BIOS it is set to use both devices for input. This is tested
> with both Xfree86 and running cat on /dev/input/mice and /dev/input/
> mouse0 and /dev/input/event0.

Probing for various other PS/2 extensions appears to confuse the thing such
that the clitmouse no longer works. If we probe for it first and then abort
the other probes, it seems happier...

--- 1.16/drivers/input/mouse/psmouse.c Tue Oct 8 11:51:30 2002
+++ edited/drivers/input/mouse/psmouse.c Wed Oct 23 00:39:06 2002
@@ -311,6 +311,26 @@
if (psmouse_noext)
return PSMOUSE_PS2;

+/*
+ * Try Synaptics TouchPad magic ID
+ */
+
+ param[0] = 0;
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
+ psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+
+ if (param[1] == 0x47) {
+ /* We could do more here. But it's sufficient just
+ to stop the subsequent probes from screwing the
+ thing up. */
+ psmouse->vendor = "Synaptics";
+ psmouse->name = "TouchPad";
+ return PSMOUSE_PS2;
+ }
+
/*
* Try Genius NetMouse magic init.
*/

--
dwmw2


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