ALSA: hda: hdmi - remove redundant code comments

Remove unnecessary comments related to pin mapping on
Intel platforms.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20191115124449.20512-3-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_hdmi.c

@@ -2655,7 +2655,7 @@ static int intel_pin2port(void *audio_ptr, int pin_nid)
 		base_nid = intel_base_nid(codec);
 		if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
 			return -1;
-		return pin_nid - base_nid + 1; /* intel port is 1-based */
+		return pin_nid - base_nid + 1;
 	}
 
 	/*
@@ -2667,7 +2667,6 @@ static int intel_pin2port(void *audio_ptr, int pin_nid)
 			return i;
 	}
 
-	/* return -1 if pin number exceeds our expectation */
 	codec_info(codec, "Can't find the HDMI/DP port for pin %d\n", pin_nid);
 	return -1;
 }
@@ -2680,7 +2679,6 @@ static int intel_port2pin(struct hda_codec *codec, int port)
 		/* we assume only from port-B to port-D */
 		if (port < 1 || port > 3)
 			return 0;
-		/* intel port is 1-based */
 		return port + intel_base_nid(codec) - 1;
 	}
 
@@ -2856,7 +2854,6 @@ static int patch_i915_tgl_hdmi(struct hda_codec *codec)
 	return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map));
 }
 
-
 /* Intel Baytrail and Braswell; with eld notifier */
 static int patch_i915_byt_hdmi(struct hda_codec *codec)
 {