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| author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2016-03-17 17:12:54 -0700 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-04-18 08:49:34 -0400 |
| commit | 8eefdb0cfd7d4285ba26a21544a94a630c4d2d6b (patch) | |
| tree | 0d1f404acb77cf24f3b2967208902245652dfa5a | |
| parent | 7ca573e32c0a6634d679540314a80d235f224bfb (diff) | |
| download | lwn-8eefdb0cfd7d4285ba26a21544a94a630c4d2d6b.tar.gz lwn-8eefdb0cfd7d4285ba26a21544a94a630c4d2d6b.zip | |
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>
| -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 826ef3df2dc7..1de070a239be 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -840,8 +840,9 @@ 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; |