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Subject[patch 24/24] Synaptics - fix setting packet size on passthrough port
From: Sergey Vlasov <vsu@altlinux.ru>

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>
---

drivers/input/mouse/synaptics.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

Index: work/drivers/input/mouse/synaptics.c
===================================================================
--- work.orig/drivers/input/mouse/synaptics.c
+++ work/drivers/input/mouse/synaptics.c
@@ -219,7 +219,7 @@ static void synaptics_pass_pt_packet(str
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

/* 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;
-
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