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| author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2016-03-17 17:12:54 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-12 09:09:04 -0700 |
| commit | ed12031e713305ef7836d5672ae2ab4e1446ce08 (patch) | |
| tree | b7147f376f1a46ff0b69076b8b770a5fc8782ec2 /drivers/input | |
| parent | 842ec116c7070c8bfc785b609acb19fb29a59cb0 (diff) | |
| download | lwn-ed12031e713305ef7836d5672ae2ab4e1446ce08.tar.gz lwn-ed12031e713305ef7836d5672ae2ab4e1446ce08.zip | |
Input: synaptics - handle spurious release of trackstick buttons, again
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>
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 6025eb430c0a..a41d8328c064 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; |