3 files changed, 5 insertions, 1 deletions

diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c
index 21e15dc91aac..ae8e9413c79d 100644
--- a/drivers/hid/hid-elecom.c
+++ b/drivers/hid/hid-elecom.c
@@ -1,7 +1,7 @@
 /*
  *  HID driver for ELECOM devices:
  *  - BM084 Bluetooth Mouse
- *  - EX-G Trackballs (M-XT3DRBK, M-XT3URBK)
+ *  - EX-G Trackballs (M-XT3DRBK, M-XT3URBK, M-XT4DRBK)
  *  - DEFT Trackballs (M-DT1DRBK, M-DT1URBK, M-DT2DRBK, M-DT2URBK)
  *  - HUGE Trackballs (M-HT1DRBK, M-HT1URBK)
  *
@@ -67,6 +67,7 @@ static __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc,
                 break;
         case USB_DEVICE_ID_ELECOM_M_XT3URBK:
         case USB_DEVICE_ID_ELECOM_M_XT3DRBK:
+        case USB_DEVICE_ID_ELECOM_M_XT4DRBK:
                 mouse_button_fixup(hdev, rdesc, *rsize, 6);
                 break;
         case USB_DEVICE_ID_ELECOM_M_DT1URBK:
@@ -83,6 +84,7 @@ static const struct hid_device_id elecom_devices[] = {
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3URBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3DRBK) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT4DRBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1URBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1DRBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 830c022c3624..c8902f2f0e23 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -373,6 +373,7 @@
 #define USB_DEVICE_ID_ELECOM_BM084      0x0061
 #define USB_DEVICE_ID_ELECOM_M_XT3URBK  0x00fb
 #define USB_DEVICE_ID_ELECOM_M_XT3DRBK  0x00fc
+#define USB_DEVICE_ID_ELECOM_M_XT4DRBK  0x00fd
 #define USB_DEVICE_ID_ELECOM_M_DT1URBK  0x00fe
 #define USB_DEVICE_ID_ELECOM_M_DT1DRBK  0x00ff
 #define USB_DEVICE_ID_ELECOM_M_HT1URBK  0x010c
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 9675cd500776..91049dff301f 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -337,6 +337,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3URBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3DRBK) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT4DRBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1URBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1DRBK) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK) },