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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-12 16:22:08 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-24 15:39:23 +0000
commit01df259f592147db97293b90d03e5fd8075cbeb3 (patch)
treeca17e6d88ecc4d4ba8db3e361b2e5f48b003f11c /sound/soc/codecs/arizona.c
parentbd7fe24bc43bc75255cebb7aed5ed675579531d3 (diff)
ASoC: arizona: Implement tristate support
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 819920dfa90..e55fa034eec 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -803,11 +803,27 @@ static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
return snd_soc_dapm_sync(&codec->dapm);
}
+static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int base = dai->driver->base;
+ unsigned int reg;
+
+ if (tristate)
+ reg = ARIZONA_AIF1_TRI;
+ else
+ reg = 0;
+
+ return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
+ ARIZONA_AIF1_TRI, reg);
+}
+
const struct snd_soc_dai_ops arizona_dai_ops = {
.startup = arizona_startup,
.set_fmt = arizona_set_fmt,
.hw_params = arizona_hw_params,
.set_sysclk = arizona_dai_set_sysclk,
+ .set_tristate = arizona_set_tristate,
};
EXPORT_SYMBOL_GPL(arizona_dai_ops);