Commit 1038a00b authored Feb 03, 2010 by Nick Pelly Committed by Marcel Holtmann Feb 03, 2010

Bluetooth: Fallback eSCO to SCO on error 0x1a (Unsupported Remote Feature)

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>

parent f98bfbd7

net/bluetooth/hci_event.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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) \|

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