Bluetooth: Change default L2CAP ERTM retransmit timeout

The L2CAP specification requires that the ERTM retransmit timeout be at
least 2 seconds for BR/EDR connections.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/l2cap.h

@@ -33,7 +33,7 @@
 #define L2CAP_DEFAULT_FLUSH_TO		0xffff
 #define L2CAP_DEFAULT_TX_WINDOW		63
 #define L2CAP_DEFAULT_MAX_TX		3
-#define L2CAP_DEFAULT_RETRANS_TO	1000    /* 1 second */
+#define L2CAP_DEFAULT_RETRANS_TO	2000    /* 2 seconds */
 #define L2CAP_DEFAULT_MONITOR_TO	12000   /* 12 seconds */
 #define L2CAP_DEFAULT_MAX_PDU_SIZE	672
 #define L2CAP_DEFAULT_ACK_TO		200