diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 09a332a..6d01a80 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -778,11 +778,14 @@
 	unsigned short spdif_ctls;	/* SPDIF control bits */
 	unsigned int spdif_in_enable;	/* SPDIF input enable? */
 	hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
+	struct snd_array init_pins;	/* initial (BIOS) pin configurations */
+	struct snd_array cur_pins;	/* current pin configurations */
 
 #ifdef CONFIG_SND_HDA_HWDEP
 	struct snd_hwdep *hwdep;	/* assigned hwdep device */
 	struct snd_array init_verbs;	/* additional init verbs */
 	struct snd_array hints;		/* additional hints */
+	struct snd_array override_pins;	/* default pin configs to override */
 #endif
 
 	/* misc flags */
@@ -855,6 +858,18 @@
 #define snd_hda_sequence_write_cache	snd_hda_sequence_write
 #endif
 
+/* the struct for codec->pin_configs */
+struct hda_pincfg {
+	hda_nid_t nid;
+	unsigned int cfg;
+};
+
+unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
+			     unsigned int cfg);
+int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
+		       hda_nid_t nid, unsigned int cfg); /* for hwdep */
+
 /*
  * Mixer
  */