---

yaml --- r: 118715 b: refs/heads/master c: 9c8e0a2 h: refs/heads/master i: 118713: 2eb8881 118711: 0c725c7 v: v3
git-mirror · Nov 11, 2008 · f218fec · f218fec
1 parent 70c28b8
commit f218fec
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Showing 3 changed files with 8 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a2482377c9df89daa0cb94252bd1e8829c0e9c2f
+refs/heads/master: 9c8e0a260ed7c8935d7ee8dd51cd1971ef516385
diff --git a/trunk/drivers/media/video/cx88/cx88-blackbird.c b/trunk/drivers/media/video/cx88/cx88-blackbird.c
@@ -1078,7 +1078,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
 		}
 	}
 
-	if (blackbird_initialize_codec(dev) < 0) {
+	if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
 		if (drv)
 			drv->request_release(drv);
 		unlock_kernel();
@@ -1109,6 +1109,8 @@ static int mpeg_open(struct inode *inode, struct file *file)
 			fh->mpegq.field);
 	unlock_kernel();
 
+	atomic_inc(&dev->core->mpeg_users);
+
 	return 0;
 }
 
@@ -1118,7 +1120,7 @@ static int mpeg_release(struct inode *inode, struct file *file)
 	struct cx8802_dev *dev = fh->dev;
 	struct cx8802_driver *drv = NULL;
 
-	if (dev->mpeg_active)
+	if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
 		blackbird_stop_codec(dev);
 
 	cx8802_cancel_buffers(fh->dev);
@@ -1138,6 +1140,8 @@ static int mpeg_release(struct inode *inode, struct file *file)
 	if (drv)
 		drv->request_release(drv);
 
+	atomic_dec(&dev->core->mpeg_users);
+
 	return 0;
 }
 

diff --git a/trunk/drivers/media/video/cx88/cx88.h b/trunk/drivers/media/video/cx88/cx88.h
@@ -352,6 +352,7 @@ struct cx88_core {
 	/* various v4l controls */
 	u32                        freq;
 	atomic_t		   users;
+	atomic_t                   mpeg_users;
 
 	/* cx88-video needs to access cx8802 for hybrid tuner pll access. */
 	struct cx8802_dev          *dvbdev;