[media] rc: allow software timeout to be set

Both the iguanair and the technotrend usb ir do not do any timeout
handling in hardware, so timeout is entirely done in
ir_raw_event_store_with_filter(). Any sensible timeout value will
do, so allow it to be set using LIRC_SET_REC_TIMEOUT.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/rc/iguanair.c

@@ -500,7 +500,9 @@ static int iguanair_probe(struct usb_interface *intf,
 	rc->tx_ir = iguanair_tx;
 	rc->driver_name = DRIVER_NAME;
 	rc->map_name = RC_MAP_RC6_MCE;
-	rc->timeout = MS_TO_NS(100);
+	rc->min_timeout = 1;
+	rc->timeout = IR_DEFAULT_TIMEOUT;
+	rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
 	rc->rx_resolution = RX_RESOLUTION;
 
 	iguanair_set_tx_carrier(rc, 38000);

drivers/media/rc/ttusbir.c

@@ -318,7 +318,10 @@ static int ttusbir_probe(struct usb_interface *intf,
 	rc->priv = tt;
 	rc->driver_name = DRIVER_NAME;
 	rc->map_name = RC_MAP_TT_1500;
-	rc->timeout = MS_TO_NS(100);
+	rc->min_timeout = 1;
+	rc->timeout = IR_DEFAULT_TIMEOUT;
+	rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
+
 	/*
 	 * The precision is NS_PER_BIT, but since every 8th bit can be
 	 * overwritten with garbage the accuracy is at best 2 * NS_PER_BIT.