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/hda_local.h b/sound/pci/hda/hda_local.h
index c71505a..bf7ba8b 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -481,6 +481,9 @@
 	int	spk_alloc;
 	int	sad_count;
 	struct cea_sad sad[ELD_MAX_SAD];
+#ifdef CONFIG_PROC_FS
+	struct snd_info_entry *proc_entry;
+#endif
 };
 
 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
@@ -489,12 +492,17 @@
 
 #ifdef CONFIG_PROC_FS
 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld);
+void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 #else
 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 				       struct hdmi_eld *eld)
 {
 	return 0;
 }
+static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
+					 struct hdmi_eld *eld)
+{
+}
 #endif
 
 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80