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Commit 5c0a1001 authored by Balakrishna Godavarthi's avatar Balakrishna Godavarthi Committed by Marcel Holtmann
Browse files

Bluetooth: hci_qca: Add helper to set device address 



This patch add qca_set_bdaddr() to set the device
address for latest Qualcomm Bluetooth chipset wcn3990 and above.

Signed-off-by: default avatarBalakrishna Godavarthi <bgodavar@codeaurora.org>
Reviewed-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Tested-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent fa7f3a8d

drivers/bluetooth/btqca.c

+19 −0
Original line number Diff line number Diff line
@@ -391,6 +391,25 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, 
}

EXPORT_SYMBOL_GPL(qca_uart_setup);



int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)

{

	struct sk_buff *skb;

	int err;



	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,

				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);

	if (IS_ERR(skb)) {

		err = PTR_ERR(skb);

		bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);

		return err;

	}



	kfree_skb(skb);



	return 0;

}

EXPORT_SYMBOL_GPL(qca_set_bdaddr);



MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");

MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);

MODULE_VERSION(VERSION);

drivers/bluetooth/btqca.h

+7 −1
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 


#define EDL_PATCH_CMD_OPCODE		(0xFC00)

#define EDL_NVM_ACCESS_OPCODE		(0xFC0B)

#define EDL_WRITE_BD_ADDR_OPCODE	(0xFC14)

#define EDL_PATCH_CMD_LEN		(1)

#define EDL_PATCH_VER_REQ_CMD		(0x19)

#define EDL_PATCH_TLV_REQ_CMD		(0x1E)
@@ -140,7 +141,7 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr); 
int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,

		   enum qca_btsoc_type soc_type, u32 soc_ver);

int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);



int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);

#else



static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
@@ -159,4 +160,9 @@ static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version) 
	return -EOPNOTSUPP;

}



static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)

{

	return -EOPNOTSUPP;

}



#endif

drivers/bluetooth/hci_qca.c

+4 −1
Original line number Diff line number Diff line
@@ -1241,6 +1241,9 @@ static int qca_setup(struct hci_uart *hu) 
	}



	/* Setup bdaddr */

	if (qcadev->btsoc_type == QCA_WCN3990)

		hu->hdev->set_bdaddr = qca_set_bdaddr;

	else

		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;



	return ret;