diff options
Diffstat (limited to 'drivers/hid/hid-kye.c')
| -rw-r--r-- | drivers/hid/hid-kye.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c index 1e2ee2aa84a0..73845120295e 100644 --- a/drivers/hid/hid-kye.c +++ b/drivers/hid/hid-kye.c @@ -268,6 +268,26 @@ static __u8 easypen_m610x_rdesc_fixed[] = { 0xC0 /* End Collection */ }; +static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize, int offset, const char *device_name) { + /* + * the fixup that need to be done: + * - change Usage Maximum in the Comsumer Control + * (report ID 3) to a reasonable value + */ + if (*rsize >= offset + 31 && + /* Usage Page (Consumer Devices) */ + rdesc[offset] == 0x05 && rdesc[offset + 1] == 0x0c && + /* Usage (Consumer Control) */ + rdesc[offset + 2] == 0x09 && rdesc[offset + 3] == 0x01 && + /* Usage Maximum > 12287 */ + rdesc[offset + 10] == 0x2a && rdesc[offset + 12] > 0x2f) { + hid_info(hdev, "fixing up %s report descriptor\n", device_name); + rdesc[offset + 12] = 0x2f; + } + return rdesc; +} + static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { @@ -315,23 +335,12 @@ static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, } 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; - } + rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, + "Genius Gila Gaming Mouse"); + break; + case USB_DEVICE_ID_GENIUS_GX_IMPERATOR: + rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83, + "Genius Gx Imperator Keyboard"); break; } return rdesc; @@ -428,6 +437,8 @@ static const struct hid_device_id kye_devices[] = { USB_DEVICE_ID_KYE_EASYPEN_M610X) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, { } }; MODULE_DEVICE_TABLE(hid, kye_devices); |