ALSA: alsa: time reaches -1, tested 0

With a postfix decrement time will reach -1 rather than 0,
so the warning will not be issued.
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/intel8x0.c

@@ -617,7 +617,7 @@ static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 	int time = 100;
 	if (chip->buggy_semaphore)
 		return 0; /* just ignore ... */
-	while (time-- && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
+	while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 		udelay(1);
 	if (! time && ! chip->in_ac97_init)
 		snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");