ALSA: hda - proc - add support for dynamic controls to mixer<->NID mapping

This patch adds support for dynamically created controls to proc codec file
(Control: lines).

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index a3872b9..d2ddb95 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2671,7 +2671,8 @@
 static struct snd_kcontrol_new *
 stac_control_new(struct sigmatel_spec *spec,
 		 struct snd_kcontrol_new *ktemp,
-		 const char *name)
+		 const char *name,
+		 hda_nid_t nid)
 {
 	struct snd_kcontrol_new *knew;
 
@@ -2687,6 +2688,8 @@
 		spec->kctls.alloced--;
 		return NULL;
 	}
+	if (nid)
+		knew->subdevice = (1<<31)|nid;
 	return knew;
 }
 
@@ -2695,7 +2698,8 @@
 				     int idx, const char *name,
 				     unsigned long val)
 {
-	struct snd_kcontrol_new *knew = stac_control_new(spec, ktemp, name);
+	struct snd_kcontrol_new *knew = stac_control_new(spec, ktemp, name,
+							 get_amp_nid_(val));
 	if (!knew)
 		return -ENOMEM;
 	knew->index = idx;
@@ -2766,7 +2770,7 @@
 	if (!spec->num_adcs || imux->num_items <= 1)
 		return 0; /* no need for input source control */
 	knew = stac_control_new(spec, &stac_input_src_temp,
-				stac_input_src_temp.name);
+				stac_input_src_temp.name, 0);
 	if (!knew)
 		return -ENOMEM;
 	knew->count = spec->num_adcs;