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authorPaul Donohue <linux-kernel@PaulSD.com>2016-11-28 20:13:47 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-11-28 20:24:06 -0800
commit7229c58c096ca08576cbcbf6669bfbdcae0b5d22 (patch)
tree1aa44e9d236ddf7434272b97af5f14abc518a711
parentInput: ALPS - fix TrackStick support for SS5 hardware (diff)
downloadlinux-dev-7229c58c096ca08576cbcbf6669bfbdcae0b5d22.tar.xz
linux-dev-7229c58c096ca08576cbcbf6669bfbdcae0b5d22.zip
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>
-rw-r--r--drivers/input/mouse/alps.c42
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;
}