diff options
Diffstat (limited to 'net/bluetooth/hci_request.c')
| -rw-r--r-- | net/bluetooth/hci_request.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index 030a1bb66ef5..0abd83ddd4fb 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -349,6 +349,41 @@ void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, hci_req_add_ev(req, opcode, plen, param, 0); } +void __hci_req_write_fast_connectable(struct hci_request *req, bool enable) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_write_page_scan_activity acp; + u8 type; + + if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) + return; + + if (hdev->hci_ver < BLUETOOTH_VER_1_2) + return; + + if (enable) { + type = PAGE_SCAN_TYPE_INTERLACED; + + /* 160 msec page scan interval */ + acp.interval = cpu_to_le16(0x0100); + } else { + type = PAGE_SCAN_TYPE_STANDARD; /* default */ + + /* default 1.28 sec page scan */ + acp.interval = cpu_to_le16(0x0800); + } + + acp.window = cpu_to_le16(0x0012); + + if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || + __cpu_to_le16(hdev->page_scan_window) != acp.window) + hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, + sizeof(acp), &acp); + + if (hdev->page_scan_type != type) + hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); +} + /* This function controls the background scanning based on hdev->pend_le_conns * list. If there are pending LE connection we start the background scanning, * otherwise we stop it. |