Input: synaptics - fix setting packet size on passthrough port.

Synaptics driver used child->type to select either 3-byte or 4-byte
packet size for the pass-through port; this gives wrong results for
the newer protocols. Change the check to use child->pktsize instead.

Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 39cc1e51b908..029309422409 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -219,7 +219,7 @@ static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet
                 serio_interrupt(ptport, packet[1], 0, NULL);
                 serio_interrupt(ptport, packet[4], 0, NULL);
                 serio_interrupt(ptport, packet[5], 0, NULL);
-                if (child->type >= PSMOUSE_GENPS)
+                if (child->pktsize == 4)
                         serio_interrupt(ptport, packet[2], 0, NULL);
         } else
                 serio_interrupt(ptport, packet[1], 0, NULL);
@@ -233,7 +233,7 @@ static void synaptics_pt_activate(struct psmouse *psmouse)
 
         /* adjust the touchpad to child's choice of protocol */
         if (child) {
-                if (child->type >= PSMOUSE_GENPS)
+                if (child->pktsize == 4)
                         priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT;
                 else
                         priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT;