From a75eb317520c72ab129ba2164550d68ed07ad560 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@localhost>
Date: Fri, 20 May 2011 20:45:17 +0000
Subject: devaudio: attach

---
 sys/src/9/port/devaudio.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/sys/src/9/port/devaudio.c b/sys/src/9/port/devaudio.c
index 2af6d9779..a7ff2133a 100644
--- a/sys/src/9/port/devaudio.c
+++ b/sys/src/9/port/devaudio.c
@@ -116,7 +116,7 @@ audioclone(Chan *c, Audio *adev)
 static Chan*
 audioattach(char *spec)
 {
-	static int first = 1;
+	static int attached = 0;
 	Audiochan *ac;
 	Audio *adev;
 	Chan *c;
@@ -127,7 +127,7 @@ audioattach(char *spec)
 	else
 		i = 0;
 	for(adev = audiodevs; adev; adev = adev->next)
-		if(i-- == 0)
+		if(adev->ctlrno == i)
 			break;
 	if(adev == nil)
 		error(Enodev);
@@ -138,9 +138,10 @@ audioattach(char *spec)
 	if((ac = audioclone(c, adev)) == nil)
 		error(Enomem);
 
-	if(first && adev->volwrite){
-		first = 0;
- 
+	i = 1<<adev->ctlrno;
+	if((attached & i) == 0 && adev->volwrite){
+		attached |= i;
+
 		strcpy(ac->buf, "speed 44100");
 		if(!waserror()){
 			adev->volwrite(adev, ac->buf, strlen(ac->buf), 0);
-- 
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