--- au_audio.c.old	Thu Jan 31 00:20:16 2002
+++ au_audio.c	Tue Mar  5 04:34:04 2002
@@ -361,14 +361,13 @@
 		if(!wdev->play_stream.wave)
 			return -EINVAL;
 		PSHOW("au_audio_ioctl() : DSP_POST\n");
-		drain_playback(dev, wdev, (file->f_flags & O_NONBLOCK));
-		stop_wave(dev, &(wdev->play_stream));
+		drain_playback(dev, wdev, 1);
 		return SUCCESS;
 
 	case SNDCTL_DSP_SYNC:
 		if (wdev->play_stream.wave) {
 			PSHOW("au_audio_ioctl() : DSP_SYNC\n");
-			drain_playback(dev, wdev, (file->f_flags & O_NONBLOCK));
+			drain_playback(dev, wdev, 0);
 			stop_wave(dev, &(wdev->play_stream));
 		}
 		if (wdev->record_stream.wave)
@@ -709,6 +708,9 @@
 		spin_lock_irqsave(&dev->irq_lock,flags);
 		AddWaveBuffer(wdev->play_stream.wave, mb->page, mb->count);
 		spin_unlock_irqrestore(&dev->irq_lock,flags);
+		wdev->play_stream.fill_index++;
+		if(wdev->play_stream.fill_index >= wdev->play_stream.num_frags)
+			wdev->play_stream.fill_index = 0;
 	}
 
  	while (wdev->play_stream.total_played < wdev->play_stream.total_sent) {