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Subject[PATCH 3.2 043/115] Input: synaptics - handle spurious release of trackstick buttons, again
3.2.80-rc1 review patch.  If anyone has any objections, please let me know.

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

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: Ben Hutchings <ben@decadent.org.uk>
---
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
@@ -674,8 +674,9 @@ 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;

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