ALSA: hda - Use cached calls to get widget caps and pin caps

Replace with the standard function calls to use caches for reading
the widget caps and pin caps.

hda_proc.c is still using the direct verbs to get raw values as
much as possible.

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 b1c180a..b5e108a 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2869,8 +2869,7 @@
 	conn_len = snd_hda_get_connections(codec, nid, conn,
 					   HDA_MAX_CONNECTIONS);
 	for (j = 0; j < conn_len; j++) {
-		wcaps = snd_hda_param_read(codec, conn[j],
-					   AC_PAR_AUDIO_WIDGET_CAP);
+		wcaps = get_wcaps(codec, conn[j]);
 		wtype = (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 		/* we check only analog outputs */
 		if (wtype != AC_WID_AUD_OUT || (wcaps & AC_WCAP_DIGITAL))