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ASoC: arizona: Add signal activity output for DRC

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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>
This commit is contained in:
Charles Keepax
2013-07-04 08:56:28 +01:00
committed by Mark Brown
parent 326c29b6be
commit b63144e6c6
4 changed files with 49 additions and 0 deletions
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1
sound/soc/codecs/arizona.h
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@@ -242,6 +242,7 @@ extern int arizona_set_fll(struct arizona_fll *fll, int source,
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);