xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Bluetooth: Store TX power level for connection

Browse Source 
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>
This commit is contained in:
Andrzej Kaczmarek
2014-05-09 21:35:28 +02:00
committed by Marcel Holtmann
parent b75cf9cd16
commit 5a134faeef
4 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
net/bluetooth/hci_event.c
View File

@@ -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;