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Commit 82be788c authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Dmitry Torokhov
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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: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent a1376d3d

drivers/input/mouse/synaptics.c

+3 −2
Original line number Diff line number Diff line
@@ -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;