diff options
Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r-- | include/sound/pcm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 24273d0f770b..f0045f842a60 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -396,6 +396,7 @@ struct snd_pcm_runtime { wait_queue_head_t tsleep; /* transfer sleep */ struct fasync_struct *fasync; struct mutex buffer_mutex; /* protect for buffer changes */ + atomic_t buffer_accessing; /* >0: in r/w operation, <0: blocked */ /* -- private section -- */ void *private_data; |