[PATCH] HID: Added Holtek USB ID 04d9:a072 LEETGION Hellion Gaming Mouse

[Anders F. U. KiÃr]

 Added id, bindings and comments for Holtek USB ID 04d9:a072
 LEETGION Hellion Gaming mouse to use the same corrections of the report
 descriptor as Holtek 04d9:a067. As the mouse exceed HID_MAX_USAGES at the
 same offsets in the reported descriptor.
 Tested on the hardware.

Signed-off-by: Anders F. U. KiÃr <ablacksheep@xxxxxxxxx>
---
 drivers/hid/Kconfig            | 1 +
 drivers/hid/hid-core.c         | 1 +
 drivers/hid/hid-holtek-mouse.c | 4 ++++
 drivers/hid/hid-ids.h          | 3 ++-
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index c91d547..d68292a 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -242,6 +242,7 @@ config HID_HOLTEK
 	  - Tracer Sniper TRM-503 / NOVA Gaming Slider X200 /
 	    Zalman ZM-GM1
 	  - SHARKOON DarkGlider Gaming mouse
+	  - LEETGION Hellion Gaming Mouse
 
 config HOLTEK_FF
 	bool "Holtek On Line Grip force feedback support"
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 5a8c011..6ab7133 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1715,6 +1715,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c
index e696566..0caa676 100644
--- a/drivers/hid/hid-holtek-mouse.c
+++ b/drivers/hid/hid-holtek-mouse.c
@@ -28,6 +28,7 @@
  * - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200
  *   and Zalman ZM-GM1
  * - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse
+ * - USB ID 04d9:a072, sold as LEETGION Hellion Gaming Mouse
  */
 
 static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
@@ -40,6 +41,7 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		 * 0x2fff, so they don't exceed HID_MAX_USAGES */
 		switch (hdev->product) {
 		case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067:
+		case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072:
 			if (*rsize >= 122 && rdesc[115] == 0xff && rdesc[116] == 0x7f
 					&& rdesc[120] == 0xff && rdesc[121] == 0x7f) {
 				hid_info(hdev, "Fixing up report descriptor\n");
@@ -66,6 +68,8 @@ static const struct hid_device_id holtek_mouse_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
 			USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
+			USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
 			USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
 	{ }
 };
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9cbc7ab..8ebaef95 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -448,8 +448,9 @@
 
 #define USB_VENDOR_ID_HOLTEK_ALT		0x04d9
 #define USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD	0xa055
-#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067	0xa067
 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A	0xa04a
+#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067	0xa067
+#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072	0xa072
 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081	0xa081
 
 #define USB_VENDOR_ID_IMATION		0x0718
-- 
1.8.1.2

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