Bluetooth: Store TX power level for connection
This patch adds support to store local TX power level for connection
when reply for HCI_Read_Transmit_Power_Level is received.
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 2bb0053..fa614e3 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1264,6 +1264,30 @@
hci_dev_unlock(hdev);
}
+static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_cp_read_tx_power *sent;
+ struct hci_rp_read_tx_power *rp = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn && sent->type == 0x00)
+ conn->tx_power = rp->tx_power;
+
+ hci_dev_unlock(hdev);
+}
+
static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%2.2x", hdev->name, status);
@@ -2660,6 +2684,10 @@
hci_cc_read_rssi(hdev, skb);
break;
+ case HCI_OP_READ_TX_POWER:
+ hci_cc_read_tx_power(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
break;