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path: root/drivers/hid/hid-lg.c
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Diffstat (limited to 'drivers/hid/hid-lg.c')
-rw-r--r--drivers/hid/hid-lg.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 5332fb7d0..c690fae02 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");