Commit 4284ecbe authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Szymon Janc
Browse files

Bluetooth: btbcm: Read controller features during configuration 



Read the Broadcom specific controller features during configuration and
print them for informational purposes.

  < HCI Command: Broadcom Read Controller Features (0x3f|0x006e) plen 0
  > HCI Event: Command Complete (0x0e) plen 12
        Broadcom Read Controller Features (0x3f|0x006e) ncmd 1
          Status: Success (0x00)
          Features: 0x07 0x00 0x00 0x00 0x00 0x00 0x00 0x00
            Multi-AV transport bandwidth reducer
            WBS SBC
            FW LC-PLC

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarSzymon Janc <szymon.janc@codecoup.pl>
parent 313f6888

drivers/bluetooth/btbcm.c

+36 −0
Original line number Diff line number Diff line
@@ -246,6 +246,27 @@ static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev) 
	return skb;

}



static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev)

{

	struct sk_buff *skb;



	skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT);

	if (IS_ERR(skb)) {

		BT_ERR("%s: BCM: Read controller features failed (%ld)",

		       hdev->name, PTR_ERR(skb));

		return skb;

	}



	if (skb->len != 9) {

		BT_ERR("%s: BCM: Controller features length mismatch",

		       hdev->name);

		kfree_skb(skb);

		return ERR_PTR(-EIO);

	}



	return skb;

}



static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev)

{

	struct sk_buff *skb;
@@ -417,6 +438,14 @@ int btbcm_setup_patchram(struct hci_dev *hdev) 
	BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);

	kfree_skb(skb);



	/* Read Controller Features */

	skb = btbcm_read_controller_features(hdev);

	if (IS_ERR(skb))

		return PTR_ERR(skb);



	BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]);

	kfree_skb(skb);



	/* Read Local Name */

	skb = btbcm_read_local_name(hdev);

	if (IS_ERR(skb))
@@ -540,6 +569,13 @@ int btbcm_setup_apple(struct hci_dev *hdev) 
		kfree_skb(skb);

	}



	/* Read Controller Features */

	skb = btbcm_read_controller_features(hdev);

	if (!IS_ERR(skb)) {

		BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]);

		kfree_skb(skb);

	}



	/* Read Local Name */

	skb = btbcm_read_local_name(hdev);

	if (!IS_ERR(skb)) {

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