diff options
| author | Chethan T N <chethan.tumkur.narayan@intel.com> | 2020-06-08 17:57:46 +0530 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2020-06-10 06:51:49 +0200 |
| commit | d74abe2138b39ae34c274f5ba5dec47408036c0b (patch) | |
| tree | d56ff5df970ec83094dc8a70b2b0a62d2a441baa /drivers/bluetooth/btintel.c | |
| parent | f98aa80ff78c34fe328eb9cd3e2cc3058e42bcfd (diff) | |
Bluetooth: btusb: Add support to read Intel debug feature
The command shall read the Intel controller supported
debug feature. Based on the supported features additional debug
configuration shall be enabled.
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Ps AyappadasX <AyappadasX.Ps@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btintel.c')
| -rw-r--r-- | drivers/bluetooth/btintel.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 6a0e2c5a8beb..105ab28836b8 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -754,6 +754,38 @@ void btintel_reset_to_bootloader(struct hci_dev *hdev) } EXPORT_SYMBOL_GPL(btintel_reset_to_bootloader); +int btintel_read_debug_features(struct hci_dev *hdev, + struct intel_debug_features *features) +{ + struct sk_buff *skb; + u8 page_no = 1; + + /* Intel controller supports two pages, each page is of 128-bit + * feature bit mask. And each bit defines specific feature support + */ + skb = __hci_cmd_sync(hdev, 0xfca6, sizeof(page_no), &page_no, + HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Reading supported features failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + + if (skb->len != (sizeof(features->page1) + 3)) { + bt_dev_err(hdev, "Supported features event size mismatch"); + kfree_skb(skb); + return -EILSEQ; + } + + memcpy(features->page1, skb->data + 3, sizeof(features->page1)); + + /* Read the supported features page2 if required in future. + */ + kfree_skb(skb); + return 0; +} +EXPORT_SYMBOL_GPL(btintel_read_debug_features); + MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION); MODULE_VERSION(VERSION); |