[PATCH v4 2/4] Bluetooth: btintel: support link statistics telemetry events
From: Joseph Hwang <hidden>
Date: 2021-06-18 08:01:26
Also in:
lkml
Subsystem:
bluetooth drivers, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
From: Chethan T N <redacted> This patch supports the link statistics telemetry events for intel controllers Reviewed-by: Miao-chen Chou <redacted> Signed-off-by: Chethan T N <redacted> Signed-off-by: Kiran K <redacted> Signed-off-by: Joseph Hwang <redacted> --- (no changes since v1) drivers/bluetooth/btintel.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index e44b6993cf91..fd21ddb76928 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c@@ -1248,8 +1248,10 @@ 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, + u8 mask[11] = { 0x0a, 0x92, 0x02, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + u8 period[5] = { 0x04, 0x91, 0x02, 0x05, 0x00 }; + u8 trace_enable = 0x02; struct sk_buff *skb; if (!features)
@@ -1266,8 +1268,24 @@ int btintel_set_debug_features(struct hci_dev *hdev, PTR_ERR(skb)); return PTR_ERR(skb); } + kfree_skb(skb); + + skb = __hci_cmd_sync(hdev, 0xfc8b, 5, period, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Setting periodicity for link statistics traces failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + kfree_skb(skb); + skb = __hci_cmd_sync(hdev, 0xfca1, 1, &trace_enable, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Enable tracing of link statistics events failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } kfree_skb(skb); + return 0; } EXPORT_SYMBOL_GPL(btintel_set_debug_features);
--
2.32.0.288.g62a8d224e6-goog