media: rc-loopback: max_timeout of UINT_MAX does not work

Any timeout larger than LIRC_VALUE_MASK cannot work for the lirc uapi.
LIRC_VALUE_MASK is about 16 seconds which is more than enough.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/rc/rc-loopback.c

@@ -222,9 +222,9 @@ static int __init loop_init(void)
 	rc->allowed_protocols	= RC_PROTO_BIT_ALL_IR_DECODER;
 	rc->allowed_wakeup_protocols = RC_PROTO_BIT_ALL_IR_ENCODER;
 	rc->encode_wakeup	= true;
-	rc->timeout		= MS_TO_US(100); /* 100 ms */
+	rc->timeout		= IR_DEFAULT_TIMEOUT;
 	rc->min_timeout		= 1;
-	rc->max_timeout		= UINT_MAX;
+	rc->max_timeout		= IR_MAX_TIMEOUT;
 	rc->rx_resolution	= 1;
 	rc->tx_resolution	= 1;
 	rc->s_tx_mask		= loop_set_tx_mask;

include/media/rc-core.h

@@ -313,6 +313,7 @@ struct ir_raw_event {
 #define MS_TO_US(msec)		((msec) * 1000)
 #define IR_MAX_DURATION		MS_TO_US(500)
 #define IR_DEFAULT_TIMEOUT	MS_TO_US(125)
+#define IR_MAX_TIMEOUT		LIRC_VALUE_MASK
 
 void ir_raw_event_handle(struct rc_dev *dev);
 int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev);