HID: kye: Add report fixup for Genius Gila Gaming mouse

[cascardo/linux.git] / drivers / hid / hid-kye.c

diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c
index 6af90db..1e2ee2a 100644 (file)
--- a/drivers/hid/hid-kye.c
+++ b/drivers/hid/hid-kye.c
@@ -314,6 +314,25 @@ static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
                        *rsize = sizeof(easypen_m610x_rdesc_fixed);
                }
                break;
+       case USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE:
+               /*
+                * the fixup that need to be done:
+                *   - change Usage Maximum in the Comsumer Control
+                *     (report ID 3) to a reasonable value
+                */
+               if (*rsize >= 135 &&
+                       /* Usage Page (Consumer Devices) */
+                       rdesc[104] == 0x05 && rdesc[105] == 0x0c &&
+                       /* Usage (Consumer Control) */
+                       rdesc[106] == 0x09 && rdesc[107] == 0x01 &&
+                       /*   Usage Maximum > 12287 */
+                       rdesc[114] == 0x2a && rdesc[116] > 0x2f) {
+                       hid_info(hdev,
+                                "fixing up Genius Gila Gaming Mouse "
+                                "report descriptor\n");
+                       rdesc[116] = 0x2f;
+               }
+               break;
        }
        return rdesc;
 }
@@ -407,6 +426,8 @@ static const struct hid_device_id kye_devices[] = {
                                USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
        { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
                                USB_DEVICE_ID_KYE_EASYPEN_M610X) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
+                               USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
        { }
 };
 MODULE_DEVICE_TABLE(hid, kye_devices);