Input: elantech - enable middle button of touchpad on ThinkPad P72

BugLink: https://bugs.launchpad.net/bugs/1793463
Adding 2 new touchpad IDs to support middle button support.

Cc: stable@vger.kernel.org
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
(cherry picked from commit 91a97507323e1ad4bfc10f4a5922e67cdaf8b3cd linux-next)
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Po-Hsu Lin (Sam) <po-hsu.lin@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index a250f433eb968b236ae2ddf99cf45f69d7f17fef..84c69e962230bc8f3fb739eb294d2e433147582f 100644 (file)
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1180,6 +1180,8 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
 static const char * const middle_button_pnp_ids[] = {
        "LEN2131", /* ThinkPad P52 w/ NFC */
        "LEN2132", /* ThinkPad P52 */
+       "LEN2133", /* ThinkPad P72 w/ NFC */
+       "LEN2134", /* ThinkPad P72 */
        NULL
 };