diff options
| -rw-r--r-- | drivers/input/mouse/alps.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index b93fe83a0b63..61d61cc24fd2 100644 --- 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; } |