radio/radio-zoltrix: replace

@@ -54,12 +54,6 @@ struct zol_device {
 
 /* local things */
 
-static void sleep_delay(void)
-{
-	/* Sleep nicely for +/- 10 mS */
-	schedule();
-}
-
 static int zol_setvol(struct zol_device *dev, int vol)
 {
 	dev->curvol = vol;

@@ -76,7 +70,7 @@ static int zol_setvol(struct zol_device 
 	}
 
 	outb(dev->curvol-1, io);
-	sleep_delay();
+	schedule();
 	inb(io + 2);
 	up(&dev->lock);
 	return 0;

@@ -176,11 +170,11 @@ int zol_getsigstr(struct zol_device *dev
 	down(&dev->lock);
 	outb(0x00, io);         /* This stuff I found to do nothing */
 	outb(dev->curvol, io);
-	sleep_delay();
-	sleep_delay();
+	schedule();
+	schedule();
 
 	a = inb(io);
-	sleep_delay();
+	schedule();
 	b = inb(io);
 
 	up(&dev->lock);

@@ -202,11 +196,11 @@ int zol_is_stereo (struct zol_device *de
 	
 	outb(0x00, io);
 	outb(dev->curvol, io);
-	sleep_delay();
-	sleep_delay();
+	schedule();
+	schedule();
 
 	x1 = inb(io);
-	sleep_delay();
+	schedule();
 	x2 = inb(io);
 
 	up(&dev->lock);

@@ -368,8 +362,8 @@ static int __init zoltrix_init(void)
 
 	outb(0, io);
 	outb(0, io);
-	sleep_delay();
-	sleep_delay();
+	schedule();
+	schedule();
 	inb(io + 3);
 
 	zoltrix_unit.curvol = 0;