ALSA: hda - Release ELD proc file

Release ELD proc file when reconfigured so that no leak occurs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
index 5393f84..58aaf06 100644
--- a/sound/pci/hda/patch_intelhdmi.c
+++ b/sound/pci/hda/patch_intelhdmi.c
@@ -637,7 +637,10 @@
 
 static void intel_hdmi_free(struct hda_codec *codec)
 {
-	kfree(codec->spec);
+	struct intel_hdmi_spec *spec = codec->spec;
+
+	snd_hda_eld_proc_free(codec, &spec->sink_eld);
+	kfree(spec);
 }
 
 static struct hda_codec_ops intel_hdmi_patch_ops = {