diff options
Diffstat (limited to 'drivers/hid/hid-lg.c')
| -rw-r--r-- | drivers/hid/hid-lg.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 5332fb7d072a..c690fae02cf8 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -620,6 +620,7 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi, usage->code == ABS_Y || usage->code == ABS_Z || usage->code == ABS_RZ)) { switch (hdev->product) { + case USB_DEVICE_ID_LOGITECH_G29_WHEEL: case USB_DEVICE_ID_LOGITECH_WHEEL: case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: @@ -658,10 +659,19 @@ static int lg_event(struct hid_device *hdev, struct hid_field *field, static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) { + struct usb_interface *iface = to_usb_interface(hdev->dev.parent); + __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; unsigned int connect_mask = HID_CONNECT_DEFAULT; struct lg_drv_data *drv_data; int ret; + /* G29 only work with the 1st interface */ + if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) && + (iface_num != 0)) { + dbg_hid("%s: ignoring ifnum %d\n", __func__, iface_num); + return -ENODEV; + } + drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL); if (!drv_data) { hid_err(hdev, "Insufficient memory, cannot allocate driver data\n"); |