diff options
Diffstat (limited to 'drivers/media/video/cx88')
-rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 8 | ||||
-rw-r--r-- | drivers/media/video/cx88/cx88.h | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index ae77450f126b..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) | |||
1078 | } | 1078 | } |
1079 | } | 1079 | } |
1080 | 1080 | ||
1081 | if (blackbird_initialize_codec(dev) < 0) { | 1081 | if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) { |
1082 | if (drv) | 1082 | if (drv) |
1083 | drv->request_release(drv); | 1083 | drv->request_release(drv); |
1084 | unlock_kernel(); | 1084 | unlock_kernel(); |
@@ -1109,6 +1109,8 @@ static int mpeg_open(struct inode *inode, struct file *file) | |||
1109 | fh->mpegq.field); | 1109 | fh->mpegq.field); |
1110 | unlock_kernel(); | 1110 | unlock_kernel(); |
1111 | 1111 | ||
1112 | atomic_inc(&dev->core->mpeg_users); | ||
1113 | |||
1112 | return 0; | 1114 | return 0; |
1113 | } | 1115 | } |
1114 | 1116 | ||
@@ -1118,7 +1120,7 @@ static int mpeg_release(struct inode *inode, struct file *file) | |||
1118 | struct cx8802_dev *dev = fh->dev; | 1120 | struct cx8802_dev *dev = fh->dev; |
1119 | struct cx8802_driver *drv = NULL; | 1121 | struct cx8802_driver *drv = NULL; |
1120 | 1122 | ||
1121 | if (dev->mpeg_active) | 1123 | if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1) |
1122 | blackbird_stop_codec(dev); | 1124 | blackbird_stop_codec(dev); |
1123 | 1125 | ||
1124 | cx8802_cancel_buffers(fh->dev); | 1126 | cx8802_cancel_buffers(fh->dev); |
@@ -1138,6 +1140,8 @@ static int mpeg_release(struct inode *inode, struct file *file) | |||
1138 | if (drv) | 1140 | if (drv) |
1139 | drv->request_release(drv); | 1141 | drv->request_release(drv); |
1140 | 1142 | ||
1143 | atomic_dec(&dev->core->mpeg_users); | ||
1144 | |||
1141 | return 0; | 1145 | return 0; |
1142 | } | 1146 | } |
1143 | 1147 | ||
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 76207c2856b7..f4240965be32 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h | |||
@@ -352,6 +352,7 @@ struct cx88_core { | |||
352 | /* various v4l controls */ | 352 | /* various v4l controls */ |
353 | u32 freq; | 353 | u32 freq; |
354 | atomic_t users; | 354 | atomic_t users; |
355 | atomic_t mpeg_users; | ||
355 | 356 | ||
356 | /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ | 357 | /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ |
357 | struct cx8802_dev *dvbdev; | 358 | struct cx8802_dev *dvbdev; |