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Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r--include/sound/pcm.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 0ad2d28f236..1d4ca2aae50 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -262,6 +262,8 @@ struct snd_pcm_hw_constraint_list {
unsigned int mask;
};
+struct snd_pcm_hwptr_log;
+
struct snd_pcm_runtime {
/* -- Status -- */
struct snd_pcm_substream *trigger_master;
@@ -269,7 +271,6 @@ struct snd_pcm_runtime {
int overrange;
snd_pcm_uframes_t avail_max;
snd_pcm_uframes_t hw_ptr_base; /* Position at buffer restart */
- snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time */
unsigned long hw_ptr_jiffies; /* Time when hw_ptr is updated */
snd_pcm_sframes_t delay; /* extra delay; typically FIFO size */
@@ -310,6 +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;
@@ -340,6 +342,10 @@ struct snd_pcm_runtime {
/* -- OSS things -- */
struct snd_pcm_oss_runtime oss;
#endif
+
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ struct snd_pcm_hwptr_log *hwptr_log;
+#endif
};
struct snd_pcm_group { /* keep linked substreams */
@@ -834,6 +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);