X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=sound%2Fcore%2Fseq%2Fseq_prioq.c;fp=sound%2Fcore%2Fseq%2Fseq_prioq.c;h=15c5d67c8288fd153a678042136f3120e9dfc453;hp=29896ab23403a219283920ab0dd204e545047440;hb=fd15ae01c5b1c73f2c992afd219bd18856ae3e48;hpb=483d316f28e1ece50975f3e34256d50b840406ec

diff --git a/sound/core/seq/seq_prioq.c b/sound/core/seq/seq_prioq.c
index 29896ab23403..15c5d67c8288 100644
--- a/sound/core/seq/seq_prioq.c
+++ b/sound/core/seq/seq_prioq.c
@@ -89,7 +89,7 @@ void snd_seq_prioq_delete(struct snd_seq_prioq **fifo)
 	if (f->cells > 0) {
 		/* drain prioQ */
 		while (f->cells > 0)
-			snd_seq_cell_free(snd_seq_prioq_cell_out(f));
+			snd_seq_cell_free(snd_seq_prioq_cell_out(f, NULL));
 	}
 	
 	kfree(f);
@@ -216,8 +216,18 @@ int snd_seq_prioq_cell_in(struct snd_seq_prioq * f,
 	return 0;
 }
 
+/* return 1 if the current time >= event timestamp */
+static int event_is_ready(struct snd_seq_event *ev, void *current_time)
+{
+	if ((ev->flags & SNDRV_SEQ_TIME_STAMP_MASK) == SNDRV_SEQ_TIME_STAMP_TICK)
+		return snd_seq_compare_tick_time(current_time, &ev->time.tick);
+	else
+		return snd_seq_compare_real_time(current_time, &ev->time.time);
+}
+
 /* dequeue cell from prioq */
-struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f)
+struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f,
+						  void *current_time)
 {
 	struct snd_seq_event_cell *cell;
 	unsigned long flags;
@@ -229,6 +239,8 @@ struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f)
 	spin_lock_irqsave(&f->lock, flags);
 
 	cell = f->head;
+	if (cell && current_time && !event_is_ready(&cell->event, current_time))
+		cell = NULL;
 	if (cell) {
 		f->head = cell->next;
 
@@ -255,17 +267,6 @@ int snd_seq_prioq_avail(struct snd_seq_prioq * f)
 }
 
 
-/* peek at cell at the head of the prioq */
-struct snd_seq_event_cell *snd_seq_prioq_cell_peek(struct snd_seq_prioq * f)
-{
-	if (f == NULL) {
-		snd_printd("oops: snd_seq_prioq_cell_in() called with NULL prioq\n");
-		return NULL;
-	}
-	return f->head;
-}
-
-
 static inline int prioq_match(struct snd_seq_event_cell *cell,
 			      int client, int timestamp)
 {