1 files changed, 10 insertions, 24 deletions

diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c
index 49cee61d79c..0a88e0cf964 100644
--- a/drivers/media/rc/rc-loopback.c
+++ b/drivers/media/rc/rc-loopback.c
@@ -101,29 +101,13 @@ static int loop_set_rx_carrier_range(struct rc_dev *dev, u32 min, u32 max)
 	return 0;
 }
 
-static int loop_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
+static int loop_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
 {
 	struct loopback_dev *lodev = dev->priv;
 	u32 rxmask;
-	unsigned count;
-	unsigned total_duration = 0;
 	unsigned i;
 	DEFINE_IR_RAW_EVENT(rawir);
 
-	if (n == 0 || n % sizeof(int)) {
-		dprintk("invalid tx buffer size\n");
-		return -EINVAL;
-	}
-
-	count = n / sizeof(int);
-	for (i = 0; i < count; i++)
-		total_duration += abs(txbuf[i]);
-
-	if (total_duration == 0) {
-		dprintk("invalid tx data, total duration zero\n");
-		return -EINVAL;
-	}
-
 	if (lodev->txcarrier < lodev->rxcarriermin ||
 	    lodev->txcarrier > lodev->rxcarriermax) {
 		dprintk("ignoring tx, carrier out of range\n");
@@ -142,17 +126,20 @@ static int loop_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
 
 	for (i = 0; i < count; i++) {
 		rawir.pulse = i % 2 ? false : true;
-		rawir.duration = abs(txbuf[i]) * 1000;
+		rawir.duration = txbuf[i] * 1000;
 		if (rawir.duration)
 			ir_raw_event_store_with_filter(dev, &rawir);
 	}
+
+	/* Fake a silence long enough to cause us to go idle */
+	rawir.pulse = false;
+	rawir.duration = dev->timeout;
+	ir_raw_event_store_with_filter(dev, &rawir);
+
 	ir_raw_event_handle(dev);
 
 out:
-	/* Lirc expects this function to take as long as the total duration */
-	set_current_state(TASK_INTERRUPTIBLE);
-	schedule_timeout(usecs_to_jiffies(total_duration));
-	return n;
+	return count;
 }
 
 static void loop_set_idle(struct rc_dev *dev, bool enable)
@@ -208,7 +195,7 @@ static int __init loop_init(void)
 	rc->map_name		= RC_MAP_EMPTY;
 	rc->priv		= &loopdev;
 	rc->driver_type		= RC_DRIVER_IR_RAW;
-	rc->allowed_protos	= RC_TYPE_ALL;
+	rc_set_allowed_protocols(rc, RC_BIT_ALL);
 	rc->timeout		= 100 * 1000 * 1000; /* 100 ms */
 	rc->min_timeout		= 1;
 	rc->max_timeout		= UINT_MAX;
@@ -222,7 +209,6 @@ static int __init loop_init(void)
 	rc->s_idle		= loop_set_idle;
 	rc->s_learning_mode	= loop_set_learning_mode;
 	rc->s_carrier_report	= loop_set_carrier_report;
-	rc->priv		= &loopdev;
 
 	loopdev.txmask		= RXMASK_REGULAR;
 	loopdev.txcarrier	= 36000;