This adds support for setting the public address on Texas Instruments
Bluetooth chips using a vendor-specific command.
This has been tested on a CC2560A. The TI wiki also indicates that this
command should work on TI WL17xx/WL18xx Bluetooth chips.
Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
v2 changes:
* This is a new patch in v2
drivers/bluetooth/hci_ll.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 974a788..b732004 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -57,6 +57,7 @@
#include "hci_uart.h"
/* Vendor-specific HCI commands */
+#define HCI_VS_WRITE_BD_ADDR 0xfc06
#define HCI_VS_UPDATE_UART_HCI_BAUDRATE 0xff36
/* HCILL commands */
@@ -662,6 +663,20 @@ static int download_firmware(struct ll_device *lldev)
return err;
}
+static int ll_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ bdaddr_t bdaddr_swapped;
+ struct sk_buff *skb;
+
+ baswap(&bdaddr_swapped, bdaddr);
+ skb = __hci_cmd_sync(hdev, HCI_VS_WRITE_BD_ADDR, sizeof(bdaddr_t),
+ &bdaddr_swapped, HCI_INIT_TIMEOUT);
+ if (!IS_ERR(skb))
+ kfree_skb(skb);
+
+ return PTR_ERR_OR_ZERO(skb);
+}
+
static int ll_setup(struct hci_uart *hu)
{
int err, retry = 3;
@@ -674,6 +689,8 @@ static int ll_setup(struct hci_uart *hu)
lldev = serdev_device_get_drvdata(serdev);
+ hu->hdev->set_bdaddr = ll_set_bdaddr;
+
serdev_device_set_flow_control(serdev, true);
do {
--
2.7.4
--
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