ASoC: Add data based control initialisation for CODECs and cards

Allow CODEC and card drivers to point to an array of controls from their
driver structure rather than explicitly calling snd_soc_add_controls().

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 2720a9f..435cb83 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -577,7 +577,9 @@
 			pm_message_t state);
 	int (*resume)(struct snd_soc_codec *);
 
-	/* Default DAPM setup, added after probe() is run */
+	/* Default control and setup, added after probe() is run */
+	const struct snd_kcontrol_new *controls;
+	int num_controls;
 	const struct snd_soc_dapm_widget *dapm_widgets;
 	int num_dapm_widgets;
 	const struct snd_soc_dapm_route *dapm_routes;
@@ -747,6 +749,9 @@
 	struct snd_soc_pcm_runtime *rtd_aux;
 	int num_aux_rtd;
 
+	const struct snd_kcontrol_new *controls;
+	int num_controls;
+
 	/*
 	 * Card-specific routes and widgets.
 	 */