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

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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 44f57cf6675b..2d95e8d93cc7 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1178,6 +1178,8 @@ 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
 };