From 15c32c5ff2d41dcf368e02607639843905b6db1a Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 20 Mar 2015 17:16:36 -0700 Subject: [PATCH] Bluetooth: Read Verbose Config Version Info for Broadcom devices The Broadcom devices expose their chip id via Read Verbose Config Version Info command. While this information is not used at the moment, it might be useful for debugging purposes and so read it before patching the firmware. This makes it show up in dmesg and HCI traces taken for the system. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- drivers/bluetooth/btusb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 708b6574d805..1521dad3d460 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2458,6 +2458,25 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev) subver = le16_to_cpu(ver->lmp_subver); kfree_skb(skb); + /* Read Verbose Config Version Info */ + skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + BT_ERR("%s: BCM: Read Verbose Version failed (%ld)", + hdev->name, ret); + return ret; + } + + if (skb->len != 7) { + BT_ERR("%s: BCM: Read Verbose Version event length mismatch", + hdev->name); + kfree_skb(skb); + return -EIO; + } + + BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]); + kfree_skb(skb); + for (i = 0; bcm_subver_table[i].name; i++) { if (subver == bcm_subver_table[i].subver) { hw_name = bcm_subver_table[i].name; -- 2.20.1