ASoC: dapm: Export snd_soc_dapm_new_control

This is useful outside the core, when one dapm element is added
at a time.

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index c446485..cc8f480 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3282,6 +3282,7 @@
 	mutex_unlock(&dapm->card->dapm_mutex);
 	return w;
 }
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
 
 struct snd_soc_dapm_widget *
 snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,