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Message-Id: <1038a00b458997661bcd0e780a24dc280a8841fc.1265399549.git.marcel@holtmann.org>
Date:	Fri,  5 Feb 2010 12:05:34 -0800
From:	Marcel Holtmann <marcel@...tmann.org>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 1/6] Bluetooth: Fallback eSCO to SCO on error 0x1a (Unsupported Remote Feature)

From: Nick Pelly <npelly@...gle.com>

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@...gle.com>
Signed-off-by: Nick Pelly <npelly@...gle.com>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
---
 net/bluetooth/hci_event.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 28517ba..592da5c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -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) |
-- 
1.6.6

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