ALSA: hda - Fix mono amp values in proc output

The mono widget is always connected to the left channel, thus the left
channel amp value also should be referred for mono widgets instead of
the right channel.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_proc.c

@@ -138,16 +138,17 @@ static void print_amp_vals(struct snd_info_buffer *buffer,
 	dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 	for (i = 0; i < indices; i++) {
 		snd_iprintf(buffer, " [");
-		if (stereo) {
 		val = snd_hda_codec_read(codec, nid, 0,
 					 AC_VERB_GET_AMP_GAIN_MUTE,
 					 AC_AMP_GET_LEFT | dir | i);
-			snd_iprintf(buffer, "0x%02x ", val);
-		}
+		snd_iprintf(buffer, "0x%02x", val);
+		if (stereo) {
 			val = snd_hda_codec_read(codec, nid, 0,
 						 AC_VERB_GET_AMP_GAIN_MUTE,
 						 AC_AMP_GET_RIGHT | dir | i);
-		snd_iprintf(buffer, "0x%02x]", val);
+			snd_iprintf(buffer, " 0x%02x", val);
+		}
+		snd_iprintf(buffer, "]");
 	}
 	snd_iprintf(buffer, "\n");
 }