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Subject[PATCH AUTOSEL 4.14 21/35] HID: multitouch: Add pointstick support for Cirque Touchpad
Date
From: Kai-Heng Feng <kai.heng.feng@canonical.com>

[ Upstream commit 12d43aacf9a74d0eb66fd0ea54ebeb79ca28940f ]

Cirque Touchpad/Pointstick combo is similar to Alps devices, it requires
MT_CLS_WIN_8_DUAL to expose its pointstick as a mouse.

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>
---
drivers/hid/hid-ids.h | 3 +++
drivers/hid/hid-multitouch.c | 6 ++++++
2 files changed, 9 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 87904d2adadb..fcc688df694c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -266,6 +266,9 @@

#define USB_VENDOR_ID_CIDC 0x1677

+#define I2C_VENDOR_ID_CIRQUE 0x0488
+#define I2C_PRODUCT_ID_CIRQUE_121F 0x121F
+
#define USB_VENDOR_ID_CJTOUCH 0x24b8
#define USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020 0x0020
#define USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040 0x0040
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index c3b9bd5dba75..07d92d4a9f7c 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1474,6 +1474,12 @@ static const struct hid_device_id mt_devices[] = {
MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },

+ /* Cirque devices */
+ { .driver_data = MT_CLS_WIN_8_DUAL,
+ HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+ I2C_VENDOR_ID_CIRQUE,
+ I2C_PRODUCT_ID_CIRQUE_121F) },
+
/* CJTouch panels */
{ .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
--
2.17.1
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