Commit 5859223e authored by Toshi Kikuchi's avatar Toshi Kikuchi Committed by Marcel Holtmann
Browse files

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: default avatarToshi Kikuchi <toshik@chromium.org>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 86c8fc4b

drivers/bluetooth/btusb.c

+28 −0
Original line number Diff line number Diff line
@@ -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);