Messages in this thread |  | | | Date | Thu, 10 Feb 2005 11:07:46 -0800 | | From | Pete Zaitcev <> | | Subject | Re: [PATCH] Fix ALPS sync loss |
| |
On Tue, 8 Feb 2005 18:40:12 -0500, Dmitry Torokhov <dtor_core@ameritech.net> wrote:
> Here is the promised patch. It turns out protocol validation code was > a bit (or rather a byte ;) ) off.
> +++ 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;
This seems to work here, no more dead pad.
-- Pete - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |