ALSA: hda - add more NID->Control mapping

This set of changes add missing NID values to some static control
elemenents. Also, it handles all "Capture Source" or "Input Source"
controls.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 1d541b7..0d08ad5 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -789,6 +789,7 @@
 	u32 *wcaps;
 
 	struct snd_array mixers;	/* list of assigned mixer elements */
+	struct snd_array nids;		/* list of mapped mixer elements */
 
 	struct hda_cache_rec amp_cache;	/* cache for amp access */
 	struct hda_cache_rec cmd_cache;	/* cache for other commands */