HID: multitouch: support buttons and trackpoint on Lenovo X1 Tab Gen2

On the 2nd generation Lenovo Tablet only clickpad is working; the
trackpoint and three mouse buttons do not work.

hid_multitouch must export all inputs in order to get trackpoint and
buttons to function.

Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 11798b10e52232d8b71f46022f581808ef2ee8ae..a98919199858717ecd173ba2ef04f014edcb109f 100644 (file)
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -661,6 +661,7 @@
 #define USB_DEVICE_ID_LENOVO_CBTKBD    0x6048
 #define USB_DEVICE_ID_LENOVO_TPPRODOCK 0x6067
 #define USB_DEVICE_ID_LENOVO_X1_COVER  0x6085
+#define USB_DEVICE_ID_LENOVO_X1_TAB    0x60a3
 
 #define USB_VENDOR_ID_LG               0x1fd2
 #define USB_DEVICE_ID_LG_MULTITOUCH    0x0064

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 5609725df7146e037f68120bbb797db7d40df8bd..9e8c4d2ba11d2cc7c2559f34dc46fe646640e131 100644 (file)
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1420,6 +1420,12 @@ static const struct hid_device_id mt_devices[] = {
                        USB_VENDOR_ID_ALPS_JP,
                        HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) },
 
+       /* Lenovo X1 TAB Gen 2 */
+       { .driver_data = MT_CLS_WIN_8_DUAL,
+               HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+                          USB_VENDOR_ID_LENOVO,
+                          USB_DEVICE_ID_LENOVO_X1_TAB) },
+
        /* Anton devices */
        { .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
                MT_USB_DEVICE(USB_VENDOR_ID_ANTON,