ASoC: arizona: Add signal activity output for DRC
When doing signal activity detection, the only output from the DRC will
often be a GPIO pin. This patch adds a signal activity output that is
activated when a GPIO is configured to output the DRC signal activity
detection.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index b60b08c..fe1b794 100644
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -242,6 +242,7 @@
unsigned int Fref, unsigned int Fout);
extern int arizona_init_spk(struct snd_soc_codec *codec);
+extern int arizona_init_gpio(struct snd_soc_codec *codec);
extern int arizona_init_dai(struct arizona_priv *priv, int dai);