[Vivid][PATCH 1/6] Bluetooth: btusb: support public address configuration for ath3012
Wen-chien Jesse Sung
jesse.sung at canonical.com
Thu Jun 4 09:45:52 UTC 2015
From: Toshi Kikuchi <toshik at chromium.org>
BugLink: https://launchpad.net/bugs/1459937
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 at chromium.org>
Signed-off-by: Marcel Holtmann <marcel at holtmann.org>
(cherry picked from commit 5859223e0c4f69ab36dd931ea7058c3b1b2abb41)
Signed-off-by: Wen-chien Jesse Sung <jesse.sung at canonical.com>
---
drivers/bluetooth/btusb.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b0449bb..7134171 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1953,6 +1953,31 @@ 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)
{
@@ -2068,6 +2093,9 @@ 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);
--
2.1.4
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