kernel: cleanup makefile for $CONF.$O target

[plan9front.git] / sys / src / 9 / pc / audioac97mix.c

diff --git a/sys/src/9/pc/audioac97mix.c b/sys/src/9/pc/audioac97mix.c
index b596dab309c79b6fcdc09d5c456ef28c856aecf8..5194cccbc70bf48d09de9cb58267d28fae95e010 100644 (file)
--- a/sys/src/9/pc/audioac97mix.c
+++ b/sys/src/9/pc/audioac97mix.c
@@ -7,8 +7,6 @@
 #include "../port/error.h"
 #include "../port/audioif.h"
 
-enum { Maxbusywait = 500000 };
-
 enum {
        Reset = 0x0,
                Capmic = 0x1,
@@ -236,7 +234,6 @@ ac97mixreset(Audio *adev, void (*wr)(Audio*,int,ushort), ushort (*rr)(Audio*,int
 {
        Mixer *m;
        ushort t;
-       int i;
 
        m = malloc(sizeof(Mixer));
        if(m == nil){
@@ -247,14 +244,9 @@ ac97mixreset(Audio *adev, void (*wr)(Audio*,int,ushort), ushort (*rr)(Audio*,int
        m->rr = rr;
        m->wr(adev, Reset, 0);
        m->wr(adev, Powerdowncsr, 0);
-
+       delay(1000);
        t = (Adcpower | Dacpower | Anlpower | Refpower);
-       for(i = 0; i < Maxbusywait; i++){
-               if((m->rr(adev, Powerdowncsr) & t) == t)
-                       break;
-               microdelay(1);
-       }
-       if(i == Maxbusywait)
+       if((m->rr(adev, Powerdowncsr) & t) != t)
                print("#A%d: ac97 exhausted waiting powerup\n", adev->ctlrno);
 
        t = m->rr(adev, Extid);