ALSA: hda - Create snd_hda_get_conn_index() helper function

Create snd_hda_get_conn_index() helper function for obtaining the
connection index of the widget.  Replaced the similar codes used in
several codec-drivers with this common helper.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 79ef65e3ae14..10d500d2ba33 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -905,6 +905,8 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
                             hda_nid_t *conn_list, int max_conns);
 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
                           const hda_nid_t **listp);
+int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
+                           hda_nid_t nid, int recursive);
 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);