UBUNTU: SAUCE: Input: elantech - enable middle button for one more ThinkPad

BugLink: https://bugs.launchpad.net/bugs/1841722
Since new elantech driver in kernel v5.3 had enable middle button support
based on firmware version, but lots of patches related.

Add pnpid to enable middle button support on v5.2- kernel.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Kleber Souza <kleber.souza@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index ab4888d043f0cc41beec3ac91836aff5c66b7260..1f9261ab733b5ce9b8b2702f2adb4f09d9cea6de 100644 (file)
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1193,6 +1193,7 @@ static const char * const middle_button_pnp_ids[] = {
        "LEN2134", /* ThinkPad P72 */
        "LEN0407",
        "LEN0408",
+       "LEN040a",
        NULL
 };