From 9c932e4d718c5ce0b8c177230597a4e3581a9c39 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Tue, 23 Aug 2011 01:02:39 +0200
Subject: omap3isp: Add omap3_isp_video_queue/dequeue_buffer() functions

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 isp/omap3isp.c | 49 +++++++++++++++++++++++++++++++------------------
 1 file changed, 31 insertions(+), 18 deletions(-)

(limited to 'isp/omap3isp.c')

diff --git a/isp/omap3isp.c b/isp/omap3isp.c
index 005625b..d9a64d9 100644
--- a/isp/omap3isp.c
+++ b/isp/omap3isp.c
@@ -148,6 +148,28 @@ static int omap3_isp_video_stop(struct omap3_isp_video *video)
 	return v4l2_stream_off(video->video);
 }
 
+static int omap3_isp_video_queue_buffer(struct omap3_isp_video *video,
+					struct v4l2_video_buffer *buffer)
+{
+	video->queued++;
+
+	return v4l2_queue_buffer(video->video, buffer);
+}
+
+static int omap3_isp_video_dequeue_buffer(struct omap3_isp_video *video,
+					  struct v4l2_video_buffer *buffer)
+{
+	int ret;
+
+	ret = v4l2_dequeue_buffer(video->video, buffer);
+	if (ret < 0)
+		return ret;
+
+	video->queued--;
+
+	return 0;
+}
+
 /* -----------------------------------------------------------------------------
  * Pools
  */
@@ -165,15 +187,13 @@ static void omap3_isp_pool_event(struct omap3_isp_pool *pool,
 	int ret;
 
 	/* Dequeue the buffer */
-	ret = v4l2_dequeue_buffer(from->video, &buffer);
+	ret = omap3_isp_video_dequeue_buffer(from, &buffer);
 	if (ret < 0) {
 		printf("error: pool: unable to dequeue buffer: %s (%d)\n",
 			strerror(-ret), ret);
 		return;
 	}
 
-	from->queued--;
-
 	if (from->queued == 0)
 		isp->ops->unwatch_fd(from->video->fd);
 
@@ -187,8 +207,7 @@ static void omap3_isp_pool_event(struct omap3_isp_pool *pool,
 					   omap3_isp_pool_event_input, pool);
 	}
 
-	to->queued++;
-	ret = v4l2_queue_buffer(to->video, &buffer);
+	ret = omap3_isp_video_queue_buffer(to, &buffer);
 	if (ret < 0)
 		printf("error: pool: unable to requeue buffer: %s (%d)\n",
 			strerror(-ret), ret);
@@ -218,14 +237,12 @@ static int omap3_isp_pool_start(struct omap3_isp_pool *pool)
 	for (i = 0; i < pool->pool->nbufs; ++i) {
 		buffer.index = i;
 
-		ret = v4l2_queue_buffer(pool->input->video, &buffer);
+		ret = omap3_isp_video_queue_buffer(pool->input, &buffer);
 		if (ret < 0) {
 			printf("error: pool: unable to queue buffer %u (%d)\n",
 				i, ret);
 			return ret;
 		}
-
-		pool->input->queued++;
 	}
 
 	/* Watch the pool input file descriptor. */
@@ -924,7 +941,7 @@ static void omap3_isp_viewfinder_event(void *priv)
 	int ret;
 
 	/* Dequeue the buffer */
-	ret = v4l2_dequeue_buffer(isp->viewfinder.output->video, &buffer);
+	ret = omap3_isp_video_dequeue_buffer(isp->viewfinder.output, &buffer);
 	if (ret < 0) {
 		printf("error: unable to dequeue buffer: %s (%d)\n",
 			strerror(-ret), ret);
@@ -932,7 +949,6 @@ static void omap3_isp_viewfinder_event(void *priv)
 	}
 
 	isp->viewfinder.output->dequeued |= 1 << buffer.index;
-	isp->viewfinder.output->queued--;
 
 	if (isp->viewfinder.output->queued == 0)
 		isp->ops->unwatch_fd(isp->viewfinder.output->video->fd);
@@ -954,13 +970,11 @@ int omap3_isp_viewfinder_start(struct omap3_isp_device *isp)
 
 		buffer.index = i;
 
-		ret = v4l2_queue_buffer(isp->viewfinder.output->video, &buffer);
+		ret = omap3_isp_video_queue_buffer(isp->viewfinder.output, &buffer);
 		if (ret < 0) {
 			printf("error: unable to queue buffer %u (%d)\n", i, ret);
 			return ret;
 		}
-
-		isp->viewfinder.output->queued++;
 	}
 
 	if (isp->ops->prepare_streamon)
@@ -1021,8 +1035,7 @@ int omap3_isp_viewfinder_put_buffer(struct omap3_isp_device *isp,
 				   OMAP3_ISP_EVENT_READ,
 				   omap3_isp_viewfinder_event, isp);
 
-	isp->viewfinder.output->queued++;
-	return v4l2_queue_buffer(isp->viewfinder.output->video, buffer);
+	return omap3_isp_video_queue_buffer(isp->viewfinder.output, buffer);
 }
 
 /* -----------------------------------------------------------------------------
@@ -1091,7 +1104,7 @@ int omap3_isp_snapshot_setup(struct omap3_isp_device *isp,
 	for (i = 0; i < isp->snapshot.output->video->nbufs; ++i) {
 		buffer.index = i;
 
-		ret = v4l2_queue_buffer(isp->snapshot.output->video, &buffer);
+		ret = omap3_isp_video_queue_buffer(isp->snapshot.output, &buffer);
 		if (ret < 0) {
 			printf("error: unable to queue buffer %u\n", i);
 			return ret;
@@ -1109,7 +1122,7 @@ static void omap3_isp_snapshot_event(void *priv)
 	int ret;
 
 	/* Dequeue a buffer, stop the stream and fire the snapshot event. */
-	ret = v4l2_dequeue_buffer(isp->snapshot.output->video, &buffer);
+	ret = omap3_isp_video_dequeue_buffer(isp->snapshot.output, &buffer);
 	if (ret < 0) {
 		printf("error: unable to dequeue snapshot buffer.\n");
 		return;
@@ -1142,7 +1155,7 @@ static void omap3_isp_snapshot_event(void *priv)
 	for (i = 0; i < isp->snapshot.output->video->nbufs; ++i) {
 		buffer.index = i;
 
-		ret = v4l2_queue_buffer(isp->snapshot.output->video, &buffer);
+		ret = omap3_isp_video_queue_buffer(isp->snapshot.output, &buffer);
 		if (ret < 0) {
 			printf("error: unable to queue buffer %u\n", i);
 			return;
-- 
cgit v1.2.3