[alsa-devel] [PATCH v2 2/3] ASoC: pcm3060: Add DT property for single-ended output
Kirill Marinushkin
kmarinushkin at birdec.tech
Mon Nov 12 08:08:33 CET 2018
DAC output may be differential (default) or single-ended.
Signed-off-by: Kirill Marinushkin <kmarinushkin at birdec.tech>
---
sound/soc/codecs/pcm3060.c | 14 ++++++++++++++
sound/soc/codecs/pcm3060.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/sound/soc/codecs/pcm3060.c b/sound/soc/codecs/pcm3060.c
index 494d9d662be8..5f479aa61097 100644
--- a/sound/soc/codecs/pcm3060.c
+++ b/sound/soc/codecs/pcm3060.c
@@ -274,9 +274,23 @@ EXPORT_SYMBOL(pcm3060_regmap);
/* device */
+static void pcm3060_parse_dt(const struct device_node *np,
+ struct pcm3060_priv *priv)
+{
+ priv->out_se = of_property_read_bool(np, "ti,out-single-ended");
+}
+
int pcm3060_probe(struct device *dev)
{
int rc;
+ struct pcm3060_priv *priv = dev_get_drvdata(dev);
+
+ if (dev->of_node)
+ pcm3060_parse_dt(dev->of_node, priv);
+
+ if (priv->out_se)
+ regmap_update_bits(priv->regmap, PCM3060_REG64,
+ PCM3060_REG_SE, PCM3060_REG_SE);
rc = devm_snd_soc_register_component(dev, &pcm3060_soc_comp_driver,
pcm3060_dai,
diff --git a/sound/soc/codecs/pcm3060.h b/sound/soc/codecs/pcm3060.h
index fd89a68aa8a7..c895cf40ee10 100644
--- a/sound/soc/codecs/pcm3060.h
+++ b/sound/soc/codecs/pcm3060.h
@@ -25,6 +25,7 @@ struct pcm3060_priv_dai {
struct pcm3060_priv {
struct regmap *regmap;
struct pcm3060_priv_dai dai[PCM3060_DAI_IDS_NUM];
+ u8 out_se: 1;
};
int pcm3060_probe(struct device *dev);
--
2.13.6
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