diff options
| author | hyungseoung.yoo <hyungseoung.yoo@samsung.com> | 2011-11-18 13:57:01 +0900 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-04-21 22:34:43 -0500 |
| commit | e5618c9ee9963ef875e3bef8299fbaad38250b40 (patch) | |
| tree | 1b6ae067c66e8bef4bab8d116e013f7cdde21c42 /net | |
| parent | 87a5fcb37103fca1f4a78dcc11ae74a1ef6e852a (diff) | |
Bluetooth: Keep master role when SCO or eSCO is active
This improves compatbility with a lot of headset / chipset
combinations. Ideally this should not be needed.
Change-Id: I8b676701e12e416aa7d60801b9d353b15d102709
Signed-off-by: hyungseoung.yoo <hyungseoung.yoo@samsung.com>
Signed-off-by: Jaikumar Ganesh <jaikumarg@android.com>
Diffstat (limited to 'net')
| -rwxr-xr-x[-rw-r--r--] | net/bluetooth/hci_event.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index db9132107695..49d5c941c9c7 100644..100755 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1748,6 +1748,15 @@ unlock: hci_conn_check_pending(hdev); } +static inline bool is_sco_active(struct hci_dev *hdev) +{ + if (hci_conn_hash_lookup_state(hdev, SCO_LINK, BT_CONNECTED) || + (hci_conn_hash_lookup_state(hdev, ESCO_LINK, + BT_CONNECTED))) + return true; + return false; +} + static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_conn_request *ev = (void *) skb->data; @@ -1795,7 +1804,8 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) bacpy(&cp.bdaddr, &ev->bdaddr); - if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) + if (lmp_rswitch_capable(hdev) && ((mask & HCI_LM_MASTER) + || is_sco_active(hdev))) cp.role = 0x00; /* Become master */ else cp.role = 0x01; /* Remain slave */ |