[Bluetooth] Add option to disable eSCO connection creation

It has been reported that some eSCO capable headsets are not able to
connect properly. The real reason for this is unclear at the moment. So
for easier testing add a module parameter to disable eSCO connection
creation.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 1ad226c9788c8a1010383a07b937dcd6f3991107..8cda498748689d510e3452c187ce464b89987a5b 100644 (file)
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -53,7 +53,9 @@
 #define BT_DBG(D...)
 #endif
 
-#define VERSION "0.5"
+#define VERSION "0.6"
+
+static int disable_esco = 0;
 
 static const struct proto_ops sco_sock_ops;
 
@@ -193,7 +195,10 @@ static int sco_connect(struct sock *sk)
 
        err = -ENOMEM;
 
-       type = lmp_esco_capable(hdev) ? ESCO_LINK : SCO_LINK;
+       if (lmp_esco_capable(hdev) && !disable_esco)
+               type = ESCO_LINK;
+       else
+               type = SCO_LINK;
 
        hcon = hci_connect(hdev, type, dst);
        if (!hcon)
@@ -994,6 +999,9 @@ static void __exit sco_exit(void)
 module_init(sco_init);
 module_exit(sco_exit);
 
+module_param(disable_esco, bool, 0644);
+MODULE_PARM_DESC(disable_esco, "Disable eSCO connection creation");
+
 MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth SCO ver " VERSION);
 MODULE_VERSION(VERSION);