Bluetooth: btusb: support public address configuration for ath3012

Set hdev->set_bdaddr handler for ath3012. It sends the vendor specific HCI
command to change the public address. The change doesn't persist across
power cycle.

Signed-off-by: Toshi Kikuchi <toshik@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 19cf2cf..c926835 100644 (file)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1943,6 +1943,31 @@ static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr)
        return 0;
 }
 
+static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
+                                   const bdaddr_t *bdaddr)
+{
+       struct sk_buff *skb;
+       u8 buf[10];
+       long ret;
+
+       buf[0] = 0x01;
+       buf[1] = 0x01;
+       buf[2] = 0x00;
+       buf[3] = sizeof(bdaddr_t);
+       memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
+
+       skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
+       if (IS_ERR(skb)) {
+               ret = PTR_ERR(skb);
+               BT_ERR("%s: Change address command failed (%ld)",
+                      hdev->name, ret);
+               return ret;
+       }
+       kfree_skb(skb);
+
+       return 0;
+}
+
 static int btusb_probe(struct usb_interface *intf,
                       const struct usb_device_id *id)
 {
@@ -2058,6 +2083,9 @@ static int btusb_probe(struct usb_interface *intf,
        if (id->driver_info & BTUSB_INTEL_BOOT)
                set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
 
+       if (id->driver_info & BTUSB_ATH3012)
+               hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
+
        /* Interface numbers are hardcoded in the specification */
        data->isoc = usb_ifnum_to_if(data->udev, 1);