Bluetooth: Fallback eSCO to SCO on error 0x1a (Unsupported Remote Feature)
authorNick Pelly <npelly@google.com>
Wed, 3 Feb 2010 19:42:26 +0000 (11:42 -0800)
committerMarcel Holtmann <marcel@holtmann.org>
Wed, 3 Feb 2010 20:05:01 +0000 (12:05 -0800)
General Motors carkits that use LGE BT chipsets return this error code
when an eSCO is attempted, despite advertising eSCO support.

2009-08-13 14:41:39.755518 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17
   handle 1 voice setting 0x0060
2009-08-13 14:41:39.757563 > HCI Event: Command Status (0x0f) plen 4
   Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1
2009-08-13 14:41:39.789484 > HCI Event: Synchronous Connect Complete (0x2c) plen 17
   status 0x1a handle 257 bdaddr 00:1E:B2:23:5E:B3 type eSCO
   Error: Unsupported Remote Feature / Unsupported LMP Feature

Signed-off-by: Jaikumar Ganesh <jaikumar@google.com>
Signed-off-by: Nick Pelly <npelly@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/bluetooth/hci_event.c

index 28517bad796c3181251bf76b1ddc459090d45deb..592da5c909c1bb482b8358c93ef213f41d7a4e70 100644 (file)
@@ -1699,6 +1699,7 @@ static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_bu
                break;
 
        case 0x1c:      /* SCO interval rejected */
+       case 0x1a:      /* Unsupported Remote Feature */
        case 0x1f:      /* Unspecified error */
                if (conn->out && conn->attempt < 2) {
                        conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |