Re: [PATCH] eSCO fallback to SCO on Error: Connection Failed to Complete

[smcoe1 <smcoe1@gmail.com>]

The Bluetooth SIG PTS test case: TC_AG_ACS_BV_10_I, rejects eSCO with
"Unsupported Feature or Parameter Value" (0x11).  This patch adds case
for SCO fall back.

2007-09-20 12:20:37.787747 > HCI Event: Number of Completed Packets
(0x13) plen 5
    handle 38 packets 1
2007-09-20 12:20:37.842154 < HCI Command: Setup Synchronous Connection
(0x01|0x0028) plen 17
    handle 38 voice setting 0x0060
2007-09-20 12:20:37.847037 > HCI Event: Command Status (0x0f) plen 4
    Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1
2007-09-20 12:20:37.855233 > HCI Event: Max Slots Change (0x1b) plen 3
    handle 38 slots 1
2007-09-20 12:20:39.913354 > HCI Event: Synchronous Connect Complete
(0x2c) plen 17
    status 0x11 handle 38 bdaddr 00:16:93:01:01:7A type eSCO
    Error: Unsupported Feature or Parameter Value
2007-09-20 12:20:39.922629 > HCI Event: Max Slots Change (0x1b) plen 3
    handle 38 slots 5
2007-09-20 12:20:58.126886 < ACL data: handle 38 flags 0x02 dlen 8
    L2CAP(d): cid 0x0041 len 4 [psm 0]
      0000: 0b 53 01 b8                                       .S..
2007-09-20 12:20:58.130138 > HCI Event: Number of Completed Packets
(0x13) plen 5
    handle 38 packets 1



Signed-off-by: Stephen Coe <smcoe1@gmail.com>
---
 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 592da5c..6c57fc7 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1698,6 +1698,7 @@ static inline void
hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_bu
        hci_conn_add_sysfs(conn);
        break;

+   case 0x11:  /* Unsupported Feature or Parameter Value */
    case 0x1c:  /* SCO interval rejected */
    case 0x1a:  /* Unsupported Remote Feature */
    case 0x1f:  /* Unspecified error */