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Commit cd2646e5 authored by Kai-Heng Feng's avatar Kai-Heng Feng Committed by Greg Kroah-Hartman
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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: default avatarKai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 9ea3b131

drivers/hid/hid-ids.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/hid/hid-multitouch.c

+4 −0
Original line number Diff line number Diff line
@@ -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,