From 348b80b273fbf4ce2a307f9e38eadecf37828cad Mon Sep 17 00:00:00 2001
From: Aaron Ma <aaron.ma@canonical.com>
Date: Wed, 4 Dec 2019 20:42:07 +0800
Subject: [PATCH] HID: multitouch: Add LG MELF0410 I2C touchscreen support
Git-commit: 348b80b273fbf4ce2a307f9e38eadecf37828cad
Patch-mainline: v5.5-rc6
References: git-fixes
Add multitouch support for LG MELF I2C touchscreen.
Apply the same workaround as LG USB touchscreen.
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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,
--
2.16.4