diff options
author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2016-03-17 17:12:54 -0700 |
---|---|---|
committer | Sasha Levin <sasha.levin@oracle.com> | 2016-04-18 08:51:02 -0400 |
commit | dfeccb29d75a2a7dc75d8b2c68b53bd7601d8686 (patch) | |
tree | f990eedafa1fc5c06fcad707169b6a332b8e721d /drivers/input | |
parent | 62b3bd2a4f98852cefd0df17333362638246aa8f (diff) |
Input: synaptics - handle spurious release of trackstick buttons, again
[ Upstream commit 82be788c96ed5978d3cb4a00079e26b981a3df3f ]
Looks like the fimware 8.2 still has the extra buttons spurious release
bug.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=114321
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers/input')
-rw-r--r-- | drivers/input/mouse/synaptics.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 3a32caf06bf1..8cfeec06d8d9 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -862,8 +862,9 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse, 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; |