diff options
| author | Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com> | 2014-05-09 21:35:28 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-05-09 14:16:42 -0700 |
| commit | 5a134faeef82b46ff4ad244d11d8c6be41679834 (patch) | |
| tree | 5e222abbed314e7a17a1cc67f8be90451577b75c /net/bluetooth | |
| parent | b75cf9cd162244fe1c29691a21acfb1e657101a7 (diff) | |
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>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_conn.c | 1 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 28 |
2 files changed, 29 insertions, 0 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 55a174317925..74b368bfe102 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -407,6 +407,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) conn->io_capability = hdev->io_capability; conn->remote_auth = 0xff; conn->key_type = 0xff; + conn->tx_power = HCI_TX_POWER_INVALID; set_bit(HCI_CONN_POWER_SAVE, &conn->flags); conn->disc_timeout = HCI_DISCONN_TIMEOUT; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 2bb0053d4c45..fa614e3430a7 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1264,6 +1264,30 @@ static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) 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 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) 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; |