[ALSA] hda - Should use HDA_OUTPUT instead of HDA_INPUT to mute pin 15 of ALC880

To mute the output of Pin widget 15 in ALC880, we should use the
HDA_OUTPUT. However, current code looks like :
snd_hda_codec_amp_stereo(codec, 0x15, HDA_INPUT, 0, HDA_AMP_MUTE, bits);
It may be a misspelling.
Signed-off-by: NJiang zhe <zhe.jiang@intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -1894,7 +1894,7 @@ static void alc880_uniwill_p53_hp_automute(struct hda_codec *codec)
  	present = snd_hda_codec_read(codec, 0x14, 0,
 				     AC_VERB_GET_PIN_SENSE, 0) & 0x80000000;
 	bits = present ? HDA_AMP_MUTE : 0;
-	snd_hda_codec_amp_stereo(codec, 0x15, HDA_INPUT, 0, HDA_AMP_MUTE, bits);
+	snd_hda_codec_amp_stereo(codec, 0x15, HDA_OUTPUT, 0, HDA_AMP_MUTE, bits);
 }
 
 static void alc880_uniwill_p53_dcvol_automute(struct hda_codec *codec)