[PATCH v3 1/2] rcar-vin: Stop stream when subdevice signal EOS

["Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>]

When a subdevice signals end of stream stop the VIN in addition to
informing user-space of the event.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
* Changes since v2
- Log using vin_dbg() instead of v4l2_info().
---
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 457a65bf6b664f05..76f6f46799e95791 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -969,9 +969,23 @@ void rvin_v4l2_unregister(struct rvin_dev *vin)
 static void rvin_notify_video_device(struct rvin_dev *vin,
 				     unsigned int notification, void *arg)
 {
+	const struct v4l2_event *event;
+
 	switch (notification) {
 	case V4L2_DEVICE_NOTIFY_EVENT:
-		v4l2_event_queue(&vin->vdev, arg);
+		event = arg;
+
+		switch (event->type) {
+		case V4L2_EVENT_EOS:
+			rvin_stop_streaming(vin);
+			vin_dbg(vin,
+				"Subdevice signaled end of stream, stopping.\n");
+			break;
+		default:
+			break;
+		}
+
+		v4l2_event_queue(&vin->vdev, event);
 		break;
 	default:
 		break;
-- 
2.30.1