ALSA: hda - Bind with HDMI codec parser automatically

If a codec contains only the digital outputs, it's very likely a
HDMI/DP codec, which isn't supported by the generic parser but via
HDMI codec parser code.  Detect such a case and bind with the proper
parser object if available.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_hdmi.c

@@ -3213,6 +3213,15 @@ static int patch_via_hdmi(struct hda_codec *codec)
 	return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
 }
 
+/*
+ * called from hda_codec.c for generic HDMI support
+ */
+int snd_hda_parse_hdmi_codec(struct hda_codec *codec)
+{
+	return patch_generic_hdmi(codec);
+}
+EXPORT_SYMBOL_HDA(snd_hda_parse_hdmi_codec);
+
 /*
  * patch entries
  */