HID: multitouch: Add pointstick support for ALPS Touchpad

[ Upstream commit 0a95fc733da375de0688d0f1fd3a2869a1c1d499 ]

There's a new ALPS touchpad/pointstick combo device that requires
MT_CLS_WIN_8_DUAL to make its pointsitck work as a mouse.

The device can be found on HP ZBook 17 G5.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 97b4ecab7c125f3497e8841fdd71ed58b27f98a6..50b3c0d89c9c28ba4b8f30cf6347196910cc4fda 100644 (file)
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -82,6 +82,7 @@
 #define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP    0x1220
 #define HID_DEVICE_ID_ALPS_U1          0x1215
 #define HID_DEVICE_ID_ALPS_T4_BTNLESS  0x120C
+#define HID_DEVICE_ID_ALPS_1222                0x1222
 
 
 #define USB_VENDOR_ID_AMI              0x046b

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 184e49036e1dce14c332aa5a071bc3d43e22b63a..f9167d0e095ceff56b6aec3422692ae328be57a4 100644 (file)
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1788,6 +1788,10 @@ static const struct hid_device_id mt_devices[] = {
                HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
                        USB_VENDOR_ID_ALPS_JP,
                        HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) },
+       { .driver_data = MT_CLS_WIN_8_DUAL,
+               HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+                       USB_VENDOR_ID_ALPS_JP,
+                       HID_DEVICE_ID_ALPS_1222) },
 
        /* Lenovo X1 TAB Gen 2 */
        { .driver_data = MT_CLS_WIN_8_DUAL,