ALSA: hda - Fix creations of playback volume controls in patch_via.c

Fix a issue to create playback volume control if pin has amplifier capability
but not DAC.

Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_via.c

@@ -1631,7 +1631,7 @@ static int create_ch_ctls(struct hda_codec *codec, const char *pfx,
 	if (nid) {
 		sprintf(name, "%s Playback Volume", pfx);
 		err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
-			      HDA_COMPOSE_AMP_VAL(dac, chs, 0, HDA_OUTPUT));
+			      HDA_COMPOSE_AMP_VAL(nid, chs, 0, HDA_OUTPUT));
 		if (err < 0)
 			return err;
 	}