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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2016-03-18 03:12:54 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-03-18 03:15:57 +0300
commit82be788c96ed5978d3cb4a00079e26b981a3df3f (patch)
treeb8f48bbcdcba276876010c0f47c123e2342645ef /drivers/input
parenta1376d3de45d3ebc26ecd8f5a57b902f52157082 (diff)
downloadlinux-82be788c96ed5978d3cb4a00079e26b981a3df3f.tar.xz
Input: synaptics - handle spurious release of trackstick buttons, again
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>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/mouse/synaptics.c5
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;