Bluetooth: Allow usb to auto-suspend when SCO use non-HCI transport

Currently usb tranport is not allowed to suspend when SCO over
HCI tranport is active.

This patch shall enable the usb tranport to suspend when SCO
link use non-HCI transport.

Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index b48e246..fdf51f8 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -4444,6 +4444,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
 {
        struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
        struct hci_conn *conn;
+       unsigned int notify_evt;
 
        BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
 
@@ -4518,15 +4519,21 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
 
        switch (ev->air_mode) {
        case 0x02:
-               if (hdev->notify)
-                       hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD);
+               notify_evt = HCI_NOTIFY_ENABLE_SCO_CVSD;
                break;
        case 0x03:
-               if (hdev->notify)
-                       hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_TRANSP);
+               notify_evt = HCI_NOTIFY_ENABLE_SCO_TRANSP;
                break;
        }
 
+       /* Notify only in case of SCO over HCI transport data path which
+        * is zero and non-zero value shall be non-HCI transport data path
+        */
+       if (conn->codec.data_path == 0) {
+               if (hdev->notify)
+                       hdev->notify(hdev, notify_evt);
+       }
+
        hci_connect_cfm(conn, ev->status);
        if (ev->status)
                hci_conn_del(conn);