From: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
[ Upstream commit 348b80b273fbf4ce2a307f9e38eadecf37828cad ]
Add multitouch support for LG MELF I2C touchscreen.
Apply the same workaround as LG USB touchscreen.
Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/hid/hid-ids.h | 1 +
drivers/hid/hid-multitouch.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1949d6fca53e5..ee243bf8cc3df 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -717,6 +717,7 @@
#define USB_DEVICE_ID_LG_MULTITOUCH 0x0064
#define USB_DEVICE_ID_LG_MELFAS_MT 0x6007
#define I2C_DEVICE_ID_LG_8001 0x8001
+#define I2C_DEVICE_ID_LG_7010 0x7010
#define USB_VENDOR_ID_LOGITECH 0x046d
#define USB_DEVICE_ID_LOGITECH_AUDIOHUB 0x0a0e
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index f9167d0e095ce..8403251992abb 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1972,6 +1972,9 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_LG,
HID_USB_DEVICE(USB_VENDOR_ID_LG,
USB_DEVICE_ID_LG_MELFAS_MT) },
+ { .driver_data = MT_CLS_LG,
+ HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_7010) },
/* MosArt panels */
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
--
2.20.1
