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authorChethan T N <chethan.tumkur.narayan@intel.com>2020-06-08 15:27:47 +0300
committerMarcel Holtmann <marcel@holtmann.org>2020-06-10 11:07:36 +0300
commitc453b10c2b28580849e382565c2e8a18ecc8bc24 (patch)
treea6a83847c709cc8d9aa2d26e66b20a5b423e3e59 /drivers/bluetooth
parentd74abe2138b39ae34c274f5ba5dec47408036c0b (diff)
downloadlinux-c453b10c2b28580849e382565c2e8a18ecc8bc24.tar.xz
Bluetooth: btusb: Configure Intel debug feature based on available support
This patch shall enable the Intel telemetry exception format based on the supported features 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')
-rw-r--r--drivers/bluetooth/btintel.c27
-rw-r--r--drivers/bluetooth/btintel.h10
-rw-r--r--drivers/bluetooth/btusb.c3
3 files changed, 38 insertions, 2 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 105ab28836b8..5fa5be3c5598 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -786,6 +786,33 @@ int btintel_read_debug_features(struct hci_dev *hdev,
}
EXPORT_SYMBOL_GPL(btintel_read_debug_features);
+int btintel_set_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features)
+{
+ u8 mask[11] = { 0x0a, 0x92, 0x02, 0x07, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00 };
+ struct sk_buff *skb;
+
+ if (!features)
+ return -EINVAL;
+
+ if (!(features->page1[0] & 0x3f)) {
+ bt_dev_info(hdev, "Telemetry exception format not supported");
+ return 0;
+ }
+
+ skb = __hci_cmd_sync(hdev, 0xfc8b, 11, mask, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Setting Intel telemetry ddc write event mask failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ kfree_skb(skb);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_set_debug_features);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 7cd813fc5db4..08e20606fb58 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -92,10 +92,10 @@ int btintel_read_boot_params(struct hci_dev *hdev,
int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
u32 *boot_param);
void btintel_reset_to_bootloader(struct hci_dev *hdev);
-
int btintel_read_debug_features(struct hci_dev *hdev,
struct intel_debug_features *features);
-
+int btintel_set_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features);
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -201,4 +201,10 @@ static inline int btintel_read_debug_features(struct hci_dev *hdev,
return -EOPNOTSUPP;
}
+static inline int btintel_set_debug_features(struct hci_dev *hdev,
+ const struct intel_debug_features *features)
+{
+ return -EOPNOTSUPP;
+}
+
#endif
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e12d88e19098..c7cc8e594166 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2548,6 +2548,9 @@ done:
*/
btintel_read_debug_features(hdev, &features);
+ /* Set DDC mask for available debug features */
+ btintel_set_debug_features(hdev, &features);
+
/* Read the Intel version information after loading the FW */
err = btintel_read_version(hdev, &ver);
if (err)