Module Name:    src
Committed By:   nat
Date:           Tue Sep 26 04:34:59 UTC 2017

Modified Files:
        src/sys/dev: audio.c

Log Message:
Call audio_mix for a third time - thus ensuring there is a block of data
in the mix ring before the audio interrupt occurs.

This addresses the instability seen in the audio atf tests.


To generate a diff of this commit:
cvs rdiff -u -r1.407 -r1.408 src/sys/dev/audio.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/audio.c
diff -u src/sys/dev/audio.c:1.407 src/sys/dev/audio.c:1.408
--- src/sys/dev/audio.c:1.407	Sun Sep 24 23:40:41 2017
+++ src/sys/dev/audio.c	Tue Sep 26 04:34:59 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: audio.c,v 1.407 2017/09/24 23:40:41 nat Exp $	*/
+/*	$NetBSD: audio.c,v 1.408 2017/09/26 04:34:59 nat Exp $	*/
 
 /*-
  * Copyright (c) 2016 Nathanial Sloss <nathanialsl...@yahoo.com.au>
@@ -148,7 +148,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.407 2017/09/24 23:40:41 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.408 2017/09/26 04:34:59 nat Exp $");
 
 #ifdef _KERNEL_OPT
 #include "audio.h"
@@ -3466,6 +3466,7 @@ audiostartp(struct audio_softc *sc, stru
 	if (sc->sc_trigger_started == false) {
 		audio_mix(sc);
 		audio_mix(sc);
+		audio_mix(sc);
 		mutex_enter(sc->sc_intr_lock);
 		error = mix_write(sc);
 		if (error)

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