1 files changed, 9 insertions, 8 deletions

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 1e8e42fb03a4..57b2637e153a 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -694,18 +694,18 @@ static int elantech_packet_check_v3(struct psmouse *psmouse)
 static int elantech_packet_check_v4(struct psmouse *psmouse)
 {
         unsigned char *packet = psmouse->packet;
+        unsigned char packet_type = packet[3] & 0x03;
 
-        if ((packet[0] & 0x0c) == 0x04 &&
-            (packet[3] & 0x1f) == 0x11)
+        switch (packet_type) {
+        case 0:
+                return PACKET_V4_STATUS;
+
+        case 1:
                 return PACKET_V4_HEAD;
 
-        if ((packet[0] & 0x0c) == 0x04 &&
-            (packet[3] & 0x1f) == 0x12)
+        case 2:
                 return PACKET_V4_MOTION;
-
-        if ((packet[0] & 0x0c) == 0x04 &&
-            (packet[3] & 0x1f) == 0x10)
-                return PACKET_V4_STATUS;
+        }
 
         return PACKET_UNKNOWN;
 }
@@ -1282,6 +1282,7 @@ static int elantech_set_properties(struct elantech_data *etd)
                         etd->hw_version = 3;
                         break;
                 case 6:
+                case 7:
                         etd->hw_version = 4;
                         break;
                 default: