summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/ak5558.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/ak5558.c')
-rw-r--r--sound/soc/codecs/ak5558.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/sound/soc/codecs/ak5558.c b/sound/soc/codecs/ak5558.c
index 8179512129d3..2f076d5ee284 100644
--- a/sound/soc/codecs/ak5558.c
+++ b/sound/soc/codecs/ak5558.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/initval.h>
@@ -22,8 +23,15 @@
#include "ak5558.h"
+#define AK5558_NUM_SUPPLIES 2
+static const char *ak5558_supply_names[AK5558_NUM_SUPPLIES] = {
+ "DVDD",
+ "AVDD",
+};
+
/* AK5558 Codec Private Data */
struct ak5558_priv {
+ struct regulator_bulk_data supplies[AK5558_NUM_SUPPLIES];
struct snd_soc_component component;
struct regmap *regmap;
struct i2c_client *i2c;
@@ -299,12 +307,22 @@ static int __maybe_unused ak5558_runtime_suspend(struct device *dev)
regcache_cache_only(ak5558->regmap, true);
ak5558_power_off(ak5558);
+ regulator_bulk_disable(ARRAY_SIZE(ak5558->supplies),
+ ak5558->supplies);
return 0;
}
static int __maybe_unused ak5558_runtime_resume(struct device *dev)
{
struct ak5558_priv *ak5558 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ak5558->supplies),
+ ak5558->supplies);
+ if (ret != 0) {
+ dev_err(dev, "Failed to enable supplies: %d\n", ret);
+ return ret;
+ }
ak5558_power_off(ak5558);
ak5558_power_on(ak5558);
@@ -350,6 +368,7 @@ static int ak5558_i2c_probe(struct i2c_client *i2c)
{
struct ak5558_priv *ak5558;
int ret = 0;
+ int i;
ak5558 = devm_kzalloc(&i2c->dev, sizeof(*ak5558), GFP_KERNEL);
if (!ak5558)
@@ -367,6 +386,16 @@ static int ak5558_i2c_probe(struct i2c_client *i2c)
if (IS_ERR(ak5558->reset_gpiod))
return PTR_ERR(ak5558->reset_gpiod);
+ for (i = 0; i < ARRAY_SIZE(ak5558->supplies); i++)
+ ak5558->supplies[i].supply = ak5558_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(ak5558->supplies),
+ ak5558->supplies);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_codec_dev_ak5558,
&ak5558_dai, 1);
@@ -374,6 +403,7 @@ static int ak5558_i2c_probe(struct i2c_client *i2c)
return ret;
pm_runtime_enable(&i2c->dev);
+ regcache_cache_only(ak5558->regmap, true);
return 0;
}