This is a note to let you know that I've just added the patch titled Input: ALPS - fix trackstick button handling on V8 devices to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: input-alps-fix-trackstick-button-handling-on-v8-devices.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 47e6fb4212d09f325c0847d05985dd3d71553095 Mon Sep 17 00:00:00 2001 From: Masaki Ota <masaki.ota@xxxxxxxxxxx> Date: Fri, 17 Mar 2017 14:19:40 -0700 Subject: Input: ALPS - fix trackstick button handling on V8 devices From: Masaki Ota <masaki.ota@xxxxxxxxxxx> 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@xxxxxxxxxxx> Acked-by: Pali Rohar <pali.rohar@xxxxxxxxx> Tested-by: Paul Donohue <linux-kernel@xxxxxxxxxx> Tested-by: Nick Fletcher <nick.m.fletcher@xxxxxxxxx> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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)) { Patches currently in stable-queue which might be from masaki.ota@xxxxxxxxxxx are queue-4.9/input-alps-fix-v8-protocol-handling-73-03-28.patch queue-4.9/input-alps-fix-trackstick-button-handling-on-v8-devices.patch