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authorMarcel Holtmann <marcel@holtmann.org>2017-06-10 14:33:16 +0200
committerSzymon Janc <szymon.janc@codecoup.pl>2017-06-12 11:46:12 +0200
commit4284ecbeda81083f4c7a3ce325b4a9d675657e61 (patch)
treeea2ffc003708f4a19e07cf9aab657010cbd8579f /drivers/bluetooth
parent313f6888c8fbb1bc8b36c9012ce4e1de848df696 (diff)
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: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/btbcm.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index ba3dd2eafc09..24f8c4e93f4e 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -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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