Input: ALPS - clean up TrackStick handling for SS5 hardware

For consistency and clarity, the input_report_*() functions should be
called by alps_process_packet_ss4_v2() instead of by alps_decode_ss4_v2().

Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Paul Donohue <linux-kernel@PaulSD.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index b93fe83..61d61cc 100644 (file)
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1267,18 +1267,12 @@ static int alps_decode_ss4_v2(struct alps_fields *f,
                break;
 
        case SS4_PACKET_ID_STICK:
-               if (!(priv->flags & ALPS_DUALPOINT)) {
-                       psmouse_warn(psmouse,
-                                    "Rejected trackstick packet from non DualPoint device");
-               } else {
-                       int x = (s8)(((p[0] & 1) << 7) | (p[1] & 0x7f));
-                       int y = (s8)(((p[3] & 1) << 7) | (p[2] & 0x7f));
-                       int pressure = (s8)(p[4] & 0x7f);
-
-                       input_report_rel(priv->dev2, REL_X, x);
-                       input_report_rel(priv->dev2, REL_Y, -y);
-                       input_report_abs(priv->dev2, ABS_PRESSURE, pressure);
-               }
+               /*
+                * x, y, and pressure are decoded in
+                * alps_process_packet_ss4_v2()
+                */
+               f->first_mp = 0;
+               f->is_mp = 0;
                break;
 
        case SS4_PACKET_ID_IDLE:
@@ -1312,6 +1306,7 @@ static void alps_process_packet_ss4_v2(struct psmouse *psmouse)
        struct input_dev *dev = psmouse->dev;
        struct input_dev *dev2 = priv->dev2;
        struct alps_fields *f = &priv->f;
+       int x, y, pressure;
 
        memset(f, 0, sizeof(struct alps_fields));
        priv->decode_fields(f, packet, psmouse);
@@ -1348,12 +1343,25 @@ static void alps_process_packet_ss4_v2(struct psmouse *psmouse)
 
        /* Report trackstick */
        if (alps_get_pkt_id_ss4_v2(packet) == SS4_PACKET_ID_STICK) {
-               if (priv->flags & ALPS_DUALPOINT) {
-                       input_report_key(dev2, BTN_LEFT, f->ts_left);
-                       input_report_key(dev2, BTN_RIGHT, f->ts_right);
-                       input_report_key(dev2, BTN_MIDDLE, f->ts_middle);
-                       input_sync(dev2);
+               if (!(priv->flags & ALPS_DUALPOINT)) {
+                       psmouse_warn(psmouse,
+                                    "Rejected trackstick packet from non DualPoint device");
+                       return;
                }
+
+               x = (s8)(((packet[0] & 1) << 7) | (packet[1] & 0x7f));
+               y = (s8)(((packet[3] & 1) << 7) | (packet[2] & 0x7f));
+               pressure = (s8)(packet[4] & 0x7f);
+
+               input_report_rel(dev2, REL_X, x);
+               input_report_rel(dev2, REL_Y, -y);
+               input_report_abs(dev2, ABS_PRESSURE, pressure);
+
+               input_report_key(dev2, BTN_LEFT, f->ts_left);
+               input_report_key(dev2, BTN_RIGHT, f->ts_right);
+               input_report_key(dev2, BTN_MIDDLE, f->ts_middle);
+
+               input_sync(dev2);
                return;
        }