[ALSA] Use msleep() in ac97 callbacks

CS46xx driver,NM256 driver
Use msleep() instead of mdelay() in ac97 callbacks (spinlock was removed).
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/cs46xx/cs46xx_lib.c

@@ -113,7 +113,7 @@ static unsigned short snd_cs46xx_codec_read(cs46xx_t *chip,
 	if ((tmp & ACCTL_VFRM) == 0) {
 		snd_printk(KERN_WARNING  "cs46xx: ACCTL_VFRM not set 0x%x\n",tmp);
 		snd_cs46xx_pokeBA0(chip, BA0_ACCTL, (tmp & (~ACCTL_ESYN)) | ACCTL_VFRM );
-		mdelay(50);
+		msleep(50);
 		tmp = snd_cs46xx_peekBA0(chip, BA0_ACCTL + offset);
 		snd_cs46xx_pokeBA0(chip, BA0_ACCTL, tmp | ACCTL_ESYN | ACCTL_VFRM );
 

sound/pci/nm256/nm256.c

@@ -1130,7 +1130,7 @@ snd_nm256_ac97_read(ac97_t *ac97, unsigned short reg)
 		return 0;
 	res = snd_nm256_readw(chip, chip->mixer_base + reg);
 	/* Magic delay.  Bleah yucky.  */
-	udelay(1000);
+	msleep(1);
 	return res;
 }
 
@@ -1151,7 +1151,7 @@ snd_nm256_ac97_write(ac97_t *ac97,
 	/* Wait for the write to take, too. */
 	while (tries-- > 0) {
 		snd_nm256_writew(chip, base + reg, val);
-		udelay(1000);  /* a little delay here seems better.. */
+		msleep(1);  /* a little delay here seems better.. */
 		if (snd_nm256_ac97_ready(chip))
 			return;
 	}