3.16.61-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: ??? <[email protected]>

commit e0ae2519ca004a628fa55aeef969c37edce522d3 upstream.

Some touchpad has middle key and it will be indicated in bit 2 of packet[0].
We need to fix V4 formation's byte mask to prevent error decoding.

Signed-off-by: KT Liao <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
---
 drivers/input/mouse/elantech.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -737,7 +737,7 @@ static int elantech_packet_check_v4(stru
        if (etd->crc_enabled)
                sanity_check = ((packet[3] & 0x08) == 0x00);
        else
-               sanity_check = ((packet[0] & 0x0c) == 0x04 &&
+               sanity_check = ((packet[0] & 0x08) == 0x00 &&
                                (packet[3] & 0x1c) == 0x10);
 
        if (!sanity_check)

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