Commit e0ae2519 authored by ???'s avatar ??? Committed by Dmitry Torokhov
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Input: elantech - fix V4 report decoding for module with middle key



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: default avatarKT Liao <kt.liao@emc.com.tw>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 24bb555e
......@@ -799,7 +799,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
else if (ic_version == 7 && etd->info.samples[1] == 0x2A)
sanity_check = ((packet[3] & 0x1c) == 0x10);
else
sanity_check = ((packet[0] & 0x0c) == 0x04 &&
sanity_check = ((packet[0] & 0x08) == 0x00 &&
(packet[3] & 0x1c) == 0x10);
if (!sanity_check)
......
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