Patch "Input: synaptics - handle spurious release of trackstick buttons, again" has been added to the 4.4-stable tree

Patch "Input: synaptics - handle spurious release of trackstick buttons, again" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    Input: synaptics - handle spurious release of trackstick buttons, again

to the 4.4-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-synaptics-handle-spurious-release-of-trackstick-buttons-again.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 82be788c96ed5978d3cb4a00079e26b981a3df3f Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Date: Thu, 17 Mar 2016 17:12:54 -0700
Subject: Input: synaptics - handle spurious release of trackstick buttons, again

From: Benjamin Tissoires <benjamin.tissoires@redhat.com>

commit 82be788c96ed5978d3cb4a00079e26b981a3df3f upstream.

Looks like the fimware 8.2 still has the extra buttons spurious release
bug.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=114321
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/input/mouse/synaptics.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -862,8 +862,9 @@ static void synaptics_report_ext_buttons
 	if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
 		return;
 
-	/* Bug in FW 8.1, buttons are reported only when ExtBit is 1 */
-	if (SYN_ID_FULL(priv->identity) == 0x801 &&
+	/* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */
+	if ((SYN_ID_FULL(priv->identity) == 0x801 ||
+	     SYN_ID_FULL(priv->identity) == 0x802) &&
 	    !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02))
 		return;
 


Patches currently in stable-queue which might be from benjamin.tissoires@redhat.com are

queue-4.4/hid-multitouch-force-retrieving-of-win8-signature-blob.patch
queue-4.4/hid-fix-hid_ignore_special_drivers-module-parameter.patch
queue-4.4/input-synaptics-handle-spurious-release-of-trackstick-buttons-again.patch
queue-4.4/hid-i2c-hid-fix-oob-write-in-i2c_hid_set_or_send_report.patch