[ALSA] Avoid VRA on codec chips

YMFPCI driver
Avoid VRA setting on ac97 codec chips.  YMFPCI doesn't need VRA.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ymfpci/ymfpci_main.c

@@ -1713,6 +1713,7 @@ int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch)
 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
 		return err;
 	chip->ac97_bus->private_free = snd_ymfpci_mixer_free_ac97_bus;
+	chip->ac97_bus->no_vra = 1; /* YMFPCI doesn't need VRA */
 
 	memset(&ac97, 0, sizeof(ac97));
 	ac97.private_data = chip;
@@ -1720,6 +1721,10 @@ int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch)
 	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
 		return err;
 
+	/* to be sure */
+	snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS,
+			     AC97_EA_VRA|AC97_EA_VRM, 0);
+
 	for (idx = 0; idx < ARRAY_SIZE(snd_ymfpci_controls); idx++) {
 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip))) < 0)
 			return err;