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-rw-r--r--include/sound/pcm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index fe1b131..e26fb3c 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -311,6 +311,7 @@ struct snd_pcm_runtime {
struct snd_pcm_mmap_control *control;
/* -- locking / scheduling -- */
+ unsigned int nowake: 1; /* no wakeup (data-copy in progress) */
wait_queue_head_t sleep;
struct fasync_struct *fasync;
@@ -839,6 +840,8 @@ void snd_pcm_set_sync(struct snd_pcm_substream *substream);
int snd_pcm_lib_interleave_len(struct snd_pcm_substream *substream);
int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg);
+int snd_pcm_update_state(struct snd_pcm_substream *substream,
+ struct snd_pcm_runtime *runtime);
int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream);
int snd_pcm_playback_xrun_check(struct snd_pcm_substream *substream);
int snd_pcm_capture_xrun_check(struct snd_pcm_substream *substream);
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