1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index ea6cb64dfb28..da3af8db697c 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -243,6 +243,14 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
                 return;
         }
 
+        /* Non interleaved V2 dualpoint has separate stick button bits */
+        if (priv->proto_version == ALPS_PROTO_V2 &&
+            priv->flags == (ALPS_PASS | ALPS_DUALPOINT)) {
+                left |= packet[0] & 1;
+                right |= packet[0] & 2;
+                middle |= packet[0] & 4;
+        }
+
         alps_report_buttons(dev, dev2, left, right, middle);
 
         /* Convert hardware tap to a reasonable Z value */