[PATCH v4 2/3] Input: ALPS - Clean up TrackStick handling for SS5 hardware

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For consistency and clarity, the input_report_*() functions should
be called by alps_process_packet_ss4_v2() instead of by
alps_decode_ss4_v2().
    
Signed-off-by: Paul Donohue <linux-kernel@xxxxxxxxxx>

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index b93fe83..12376d2 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1267,18 +1267,11 @@ 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);
-		}
+		f->st.x = (s8)(((p[0] & 1) << 7) | (p[1] & 0x7f));
+		f->st.y = -(s8)(((p[3] & 1) << 7) | (p[2] & 0x7f));
+		f->pressure = (s8)(p[4] & 0x7f);
+		f->first_mp = 0;
+		f->is_mp = 0;
 		break;
 
 	case SS4_PACKET_ID_IDLE:
@@ -1348,12 +1341,21 @@ 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;
 		}
+
+		input_report_rel(priv->dev2, REL_X, f->st.x);
+		input_report_rel(priv->dev2, REL_Y, f->st.y);
+		input_report_abs(priv->dev2, ABS_PRESSURE, f->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;
 	}
 
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