From: Benjamin Tissoires Date: Fri, 18 Mar 2016 00:12:54 +0000 (-0700) Subject: Input: synaptics - handle spurious release of trackstick buttons, again X-Git-Tag: v4.6-rc1~9^2~2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=82be788c96ed5978d3cb4a00079e26b981a3df3f;p=linux.git 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 Signed-off-by: Dmitry Torokhov --- 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;