diff options
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 14314a12babe..fe24f600ed65 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -1807,6 +1807,18 @@ static int btusb_probe(struct usb_interface *intf, data->isoc = NULL; } + if (id->driver_info & BTUSB_INTEL_BOOT) { + /* A bug in the bootloader causes that interrupt interface is + * only enabled after receiving SetInterface(0, AltSetting=0). + */ + err = usb_set_interface(data->udev, 0, 0); + if (err < 0) { + BT_ERR("failed to set interface 0, alt 0 %d", err); + hci_free_dev(hdev); + return err; + } + } + if (data->isoc) { err = usb_driver_claim_interface(&btusb_driver, data->isoc, data); |