diff options
author | James Morris <jmorris@namei.org> | 2008-11-14 11:29:12 +1100 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2008-11-14 11:29:12 +1100 |
commit | 2b828925652340277a889cbc11b2d0637f7cdaf7 (patch) | |
tree | 32fcb3d3e466fc419fad2d3717956a5b5ad3d35a /drivers/media/video/cx88/cx88-blackbird.c | |
parent | 3a3b7ce9336952ea7b9564d976d068a238976c9d (diff) | |
parent | 58e20d8d344b0ee083febb18c2b021d2427e56ca (diff) |
Merge branch 'master' into next
Conflicts:
security/keys/internal.h
security/keys/process_keys.c
security/keys/request_key.c
Fixed conflicts above by using the non 'tsk' versions.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 078be6319556..d3ae5b4dfca7 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/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; } @@ -1158,6 +1162,10 @@ static unsigned int mpeg_poll(struct file *file, struct poll_table_struct *wait) { struct cx8802_fh *fh = file->private_data; + struct cx8802_dev *dev = fh->dev; + + if (!dev->mpeg_active) + blackbird_start_codec(file, fh); return videobuf_poll_stream(file, &fh->mpegq, wait); } |