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devaudio: attach

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This commit is contained in:
cinap_lenrek 2011-05-20 20:45:17 +00:00
parent c470e77eae
commit a75eb31752
1 changed files with 6 additions and 5 deletions
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11
sys/src/9/port/devaudio.c
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@ -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);