X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fsound%2Fpcm.h;h=65f636223d392890283e16df109aea34ade635ce;hb=b751eef1fdffca5532344285f2fad0c60d2f0158;hp=76b34b5841ebc5e03301e1a034b212508aed19ab;hpb=b9f09a485937d9c3fb524b2fa140fee1d94856d0;p=linux-2.6

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 76b34b5841..65f636223d 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -3,7 +3,7 @@
 
 /*
  *  Digital Audio (PCM) abstract layer
- *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  *                   Abramo Bagnara <abramo@alsa-project.org>
  *
  *
@@ -301,8 +301,8 @@ struct snd_pcm_runtime {
 	union snd_pcm_sync_id sync;	/* hardware synchronization ID */
 
 	/* -- mmap -- */
-	volatile struct snd_pcm_mmap_status *status;
-	volatile struct snd_pcm_mmap_control *control;
+	struct snd_pcm_mmap_status *status;
+	struct snd_pcm_mmap_control *control;
 
 	/* -- locking / scheduling -- */
 	wait_queue_head_t sleep;
@@ -323,6 +323,7 @@ struct snd_pcm_runtime {
 
 	/* -- timer -- */
 	unsigned int timer_resolution;	/* timer resolution */
+	int tstamp_type;		/* timestamp type */
 
 	/* -- DMA -- */           
 	unsigned char *dma_area;	/* DMA area */
@@ -952,6 +953,15 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream);
 void snd_pcm_timer_init(struct snd_pcm_substream *substream);
 void snd_pcm_timer_done(struct snd_pcm_substream *substream);
 
+static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,
+				   struct timespec *tv)
+{
+	if (runtime->tstamp_type == SNDRV_PCM_TSTAMP_TYPE_MONOTONIC)
+		do_posix_clock_monotonic_gettime(tv);
+	else
+		getnstimeofday(tv);
+}
+
 /*
  *  Memory
  */