HID: multitouch: Add LG MELF0410 I2C touchscreen support

[ 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@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1949d6f..ee243bf 100644 (file)
--- 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 f9167d0..8403251 100644 (file)
--- 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,