---

yaml
---
r: 182652
b: refs/heads/master
c: a4ad68d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c97259df3f2e163c72f4d0685c61fb2e026dc989
+refs/heads/master: a4ad68d57e4dc4138304df23d1817eb094149389

trunk/include/sound/pcm.h

@@ -262,14 +262,15 @@ 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;
 	struct timespec trigger_tstamp;	/* trigger timestamp */
 	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);

trunk/include/sound/pcm_oss.h

@@ -61,7 +61,7 @@ struct snd_pcm_oss_runtime {
 	struct snd_pcm_plugin *plugin_first;
 	struct snd_pcm_plugin *plugin_last;
 #endif
-	unsigned int prev_hw_ptr_interrupt;
+	unsigned int prev_hw_ptr_period;
 };
 
 struct snd_pcm_oss_file {

trunk/include/sound/version.h

@@ -1,3 +1,3 @@
 /* include/version.h */
-#define CONFIG_SND_VERSION "1.0.21"
+#define CONFIG_SND_VERSION "1.0.22.1"
 #define CONFIG_SND_DATE ""

trunk/sound/core/oss/pcm_oss.c

@@ -632,6 +632,13 @@ static long snd_pcm_alsa_frames(struct snd_pcm_substream *substream, long bytes)
 	return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);
 }
 
+static inline
+snd_pcm_uframes_t get_hw_ptr_period(struct snd_pcm_runtime *runtime)
+{
+	snd_pcm_uframes_t ptr = runtime->status->hw_ptr;
+	return ptr - (ptr % runtime->period_size);
+}
+
 /* define extended formats in the recent OSS versions (if any) */
 /* linear formats */
 #define AFMT_S32_LE      0x00001000
@@ -1102,7 +1109,7 @@ static int snd_pcm_oss_prepare(struct snd_pcm_substream *substream)
 		return err;
 	}
 	runtime->oss.prepare = 0;
-	runtime->oss.prev_hw_ptr_interrupt = 0;
+	runtime->oss.prev_hw_ptr_period = 0;
 	runtime->oss.period_ptr = 0;
 	runtime->oss.buffer_used = 0;
 
@@ -1950,7 +1957,8 @@ static int snd_pcm_oss_get_caps(struct snd_pcm_oss_file *pcm_oss_file)
 	return result;
 }
 
-static void snd_pcm_oss_simulate_fill(struct snd_pcm_substream *substream, snd_pcm_uframes_t hw_ptr)
+static void snd_pcm_oss_simulate_fill(struct snd_pcm_substream *substream,
+				      snd_pcm_uframes_t hw_ptr)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_uframes_t appl_ptr;
@@ -1986,7 +1994,8 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
 			if (runtime->oss.trigger)
 				goto _skip1;
 			if (atomic_read(&psubstream->mmap_count))
-				snd_pcm_oss_simulate_fill(psubstream, runtime->hw_ptr_interrupt);
+				snd_pcm_oss_simulate_fill(psubstream,
+						get_hw_ptr_period(runtime));
 			runtime->oss.trigger = 1;
 			runtime->start_threshold = 1;
 			cmd = SNDRV_PCM_IOCTL_START;
@@ -2105,11 +2114,12 @@ static int snd_pcm_oss_get_ptr(struct snd_pcm_oss_file *pcm_oss_file, int stream
 	info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);
 	if (atomic_read(&substream->mmap_count)) {
 		snd_pcm_sframes_t n;
-		n = (delay = runtime->hw_ptr_interrupt) - runtime->oss.prev_hw_ptr_interrupt;
+		delay = get_hw_ptr_period(runtime);
+		n = delay - runtime->oss.prev_hw_ptr_period;
 		if (n < 0)
 			n += runtime->boundary;
 		info.blocks = n / runtime->period_size;
-		runtime->oss.prev_hw_ptr_interrupt = delay;
+		runtime->oss.prev_hw_ptr_period = delay;
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 			snd_pcm_oss_simulate_fill(substream, delay);
 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;
@@ -2673,18 +2683,22 @@ static int snd_pcm_oss_playback_ready(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	if (atomic_read(&substream->mmap_count))
-		return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
+		return runtime->oss.prev_hw_ptr_period !=
+						get_hw_ptr_period(runtime);
 	else
-		return snd_pcm_playback_avail(runtime) >= runtime->oss.period_frames;
+		return snd_pcm_playback_avail(runtime) >=
+						runtime->oss.period_frames;
 }
 
 static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	if (atomic_read(&substream->mmap_count))
-		return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
+		return runtime->oss.prev_hw_ptr_period !=
+						get_hw_ptr_period(runtime);
 	else
-		return snd_pcm_capture_avail(runtime) >= runtime->oss.period_frames;
+		return snd_pcm_capture_avail(runtime) >=
+						runtime->oss.period_frames;
 }
 
 static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)

trunk/sound/core/pcm.c

@@ -921,6 +921,10 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
 	snd_free_pages((void*)runtime->control,
 		       PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)));
 	kfree(runtime->hw_constraints.rules);
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+	if (runtime->hwptr_log)
+		kfree(runtime->hwptr_log);
+#endif
 	kfree(runtime);
 	substream->runtime = NULL;
 	put_pid(substream->pid);