Bluetooth: Add public address configration for Intel USB devices

For the Intel based USB devices add support for configuration of
the public device address.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 20 insertions, 1 deletions

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e0e39cc1af31..66966b9c4244 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1382,6 +1382,23 @@ exit_mfg_deactivate:
         return 0;
 }
 
+static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+        struct sk_buff *skb;
+        long ret;
+
+        skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT);
+        if (IS_ERR(skb)) {
+                ret = PTR_ERR(skb);
+                BT_ERR("%s: changing Intel device address failed (%ld)",
+                        hdev->name, ret);
+                return ret;
+        }
+        kfree_skb(skb);
+
+        return 0;
+}
+
 static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 {
         struct btusb_data *data = hci_get_drvdata(hdev);
@@ -1657,8 +1674,10 @@ static int btusb_probe(struct usb_interface *intf,
                 hdev->set_bdaddr = btusb_set_bdaddr_bcm;
         }
 
-        if (id->driver_info & BTUSB_INTEL)
+        if (id->driver_info & BTUSB_INTEL) {
                 hdev->setup = btusb_setup_intel;
+                hdev->set_bdaddr = btusb_set_bdaddr_intel;
+        }
 
         /* Interface numbers are hardcoded in the specification */
         data->isoc = usb_ifnum_to_if(data->udev, 1);