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Subject[PATCH 4.9 20/88] Input: ALPS - fix trackstick button handling on V8 devices
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Masaki Ota <masaki.ota@jp.alps.com>

commit 47e6fb4212d09f325c0847d05985dd3d71553095 upstream.

Alps stick devices always have physical buttons, so we should not check
ALPS_BUTTONPAD flag to decide whether we should report them.

Fixes: 4777ac220c43 ("Input: ALPS - add touchstick support for SS5 hardware")
Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Acked-by: Pali Rohar <pali.rohar@gmail.com>
Tested-by: Paul Donohue <linux-kernel@PaulSD.com>
Tested-by: Nick Fletcher <nick.m.fletcher@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/input/mouse/alps.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1290,10 +1290,8 @@ static int alps_decode_ss4_v2(struct alp
/* handle buttons */
if (pkt_id == SS4_PACKET_ID_STICK) {
f->ts_left = !!(SS4_BTN_V2(p) & 0x01);
- if (!(priv->flags & ALPS_BUTTONPAD)) {
- f->ts_right = !!(SS4_BTN_V2(p) & 0x02);
- f->ts_middle = !!(SS4_BTN_V2(p) & 0x04);
- }
+ f->ts_right = !!(SS4_BTN_V2(p) & 0x02);
+ f->ts_middle = !!(SS4_BTN_V2(p) & 0x04);
} else {
f->left = !!(SS4_BTN_V2(p) & 0x01);
if (!(priv->flags & ALPS_BUTTONPAD)) {

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