[PATCH] HID: multitouch: Add LG MELF0410 I2C touchscreen support

From: Aaron Ma
Date: Wed Dec 04 2019 - 07:42:20 EST


Add multitouch support for LG MELF I2C touchscreen.
Apply the same workaround as LG USB touchscreen.

Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
---
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 7e1689ef35f5..1664700bde9e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -730,6 +730,7 @@
#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 3cfeb1629f79..f0d4172d5131 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1985,6 +1985,9 @@ 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,
--
2.24.0