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Diffstat (limited to 'sound/soc/codecs/ak4458.c')
-rw-r--r--sound/soc/codecs/ak4458.c113
1 files changed, 34 insertions, 79 deletions
diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index baa9ff5d0ce5..f0b465f9ded5 100644
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -9,10 +9,10 @@
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
+#include <linux/of.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
#include <linux/slab.h>
#include <sound/initval.h>
#include <sound/pcm_params.h>
@@ -45,7 +45,7 @@ struct ak4458_priv {
const struct ak4458_drvdata *drvdata;
struct device *dev;
struct regmap *regmap;
- struct gpio_desc *reset_gpiod;
+ struct reset_control *reset;
struct gpio_desc *mute_gpiod;
int digfil; /* SSLOW, SD, SLOW bits */
int fs; /* sampling rate */
@@ -187,7 +187,7 @@ static const struct soc_enum ak4458_dif_enum =
static int get_digfil(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
ucontrol->value.enumerated.item[0] = ak4458->digfil;
@@ -198,7 +198,7 @@ static int get_digfil(struct snd_kcontrol *kcontrol,
static int set_digfil(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
int num;
@@ -447,6 +447,13 @@ static int ak4458_hw_params(struct snd_pcm_substream *substream,
snd_soc_component_update_bits(component, AK4458_0B_CONTROL7,
AK4458_DCHAIN_MASK, dchn);
+ if (ak4458->drvdata->type == AK4497) {
+ ret = snd_soc_component_update_bits(component, AK4458_09_DSD2,
+ 0x4, (ak4458->dsd_path << 2));
+ if (ret < 0)
+ return ret;
+ }
+
ret = ak4458_rstn_control(component, 0);
if (ret)
return ret;
@@ -579,13 +586,9 @@ static const struct snd_pcm_hw_constraint_list ak4458_rate_constraints = {
static int ak4458_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- int ret;
-
- ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_RATE,
- &ak4458_rate_constraints);
-
- return ret;
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &ak4458_rate_constraints);
}
static const struct snd_soc_dai_ops ak4458_dai_ops = {
@@ -623,56 +626,16 @@ static struct snd_soc_dai_driver ak4497_dai = {
static void ak4458_reset(struct ak4458_priv *ak4458, bool active)
{
- if (ak4458->reset_gpiod) {
- gpiod_set_value_cansleep(ak4458->reset_gpiod, active);
+ if (!IS_ERR_OR_NULL(ak4458->reset)) {
+ if (active)
+ reset_control_assert(ak4458->reset);
+ else
+ reset_control_deassert(ak4458->reset);
usleep_range(1000, 2000);
}
}
-static int ak4458_init(struct snd_soc_component *component)
-{
- struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
- int ret;
-
- /* External Mute ON */
- if (ak4458->mute_gpiod)
- gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
-
- ak4458_reset(ak4458, false);
-
- ret = snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
- 0x80, 0x80); /* ACKS bit = 1; 10000000 */
- if (ret < 0)
- return ret;
-
- if (ak4458->drvdata->type == AK4497) {
- ret = snd_soc_component_update_bits(component, AK4458_09_DSD2,
- 0x4, (ak4458->dsd_path << 2));
- if (ret < 0)
- return ret;
- }
-
- return ak4458_rstn_control(component, 1);
-}
-
-static int ak4458_probe(struct snd_soc_component *component)
-{
- struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
-
- ak4458->fs = 48000;
-
- return ak4458_init(component);
-}
-
-static void ak4458_remove(struct snd_soc_component *component)
-{
- struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
-
- ak4458_reset(ak4458, true);
-}
-
-#ifdef CONFIG_PM
-static int __maybe_unused ak4458_runtime_suspend(struct device *dev)
+static int ak4458_runtime_suspend(struct device *dev)
{
struct ak4458_priv *ak4458 = dev_get_drvdata(dev);
@@ -688,7 +651,7 @@ static int __maybe_unused ak4458_runtime_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused ak4458_runtime_resume(struct device *dev)
+static int ak4458_runtime_resume(struct device *dev)
{
struct ak4458_priv *ak4458 = dev_get_drvdata(dev);
int ret;
@@ -703,7 +666,6 @@ static int __maybe_unused ak4458_runtime_resume(struct device *dev)
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
- ak4458_reset(ak4458, true);
ak4458_reset(ak4458, false);
regcache_cache_only(ak4458->regmap, false);
@@ -711,11 +673,8 @@ static int __maybe_unused ak4458_runtime_resume(struct device *dev)
return regcache_sync(ak4458->regmap);
}
-#endif /* CONFIG_PM */
static const struct snd_soc_component_driver soc_codec_dev_ak4458 = {
- .probe = ak4458_probe,
- .remove = ak4458_remove,
.controls = ak4458_snd_controls,
.num_controls = ARRAY_SIZE(ak4458_snd_controls),
.dapm_widgets = ak4458_dapm_widgets,
@@ -725,12 +684,9 @@ static const struct snd_soc_component_driver soc_codec_dev_ak4458 = {
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
static const struct snd_soc_component_driver soc_codec_dev_ak4497 = {
- .probe = ak4458_probe,
- .remove = ak4458_remove,
.controls = ak4497_snd_controls,
.num_controls = ARRAY_SIZE(ak4497_snd_controls),
.dapm_widgets = ak4497_dapm_widgets,
@@ -740,7 +696,6 @@ static const struct snd_soc_component_driver soc_codec_dev_ak4497 = {
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
static const struct regmap_config ak4458_regmap = {
@@ -766,9 +721,8 @@ static const struct ak4458_drvdata ak4497_drvdata = {
};
static const struct dev_pm_ops ak4458_pm = {
- SET_RUNTIME_PM_OPS(ak4458_runtime_suspend, ak4458_runtime_resume, NULL)
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
+ RUNTIME_PM_OPS(ak4458_runtime_suspend, ak4458_runtime_resume, NULL)
+ SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};
static int ak4458_i2c_probe(struct i2c_client *i2c)
@@ -789,10 +743,9 @@ static int ak4458_i2c_probe(struct i2c_client *i2c)
ak4458->drvdata = of_device_get_match_data(&i2c->dev);
- ak4458->reset_gpiod = devm_gpiod_get_optional(ak4458->dev, "reset",
- GPIOD_OUT_LOW);
- if (IS_ERR(ak4458->reset_gpiod))
- return PTR_ERR(ak4458->reset_gpiod);
+ ak4458->reset = devm_reset_control_get_optional_shared(ak4458->dev, NULL);
+ if (IS_ERR(ak4458->reset))
+ return PTR_ERR(ak4458->reset);
ak4458->mute_gpiod = devm_gpiod_get_optional(ak4458->dev, "mute",
GPIOD_OUT_LOW);
@@ -822,15 +775,17 @@ static int ak4458_i2c_probe(struct i2c_client *i2c)
pm_runtime_enable(&i2c->dev);
regcache_cache_only(ak4458->regmap, true);
+ ak4458_reset(ak4458, false);
return 0;
}
-static int ak4458_i2c_remove(struct i2c_client *i2c)
+static void ak4458_i2c_remove(struct i2c_client *i2c)
{
- pm_runtime_disable(&i2c->dev);
+ struct ak4458_priv *ak4458 = i2c_get_clientdata(i2c);
- return 0;
+ ak4458_reset(ak4458, true);
+ pm_runtime_disable(&i2c->dev);
}
static const struct of_device_id ak4458_of_match[] = {
@@ -843,10 +798,10 @@ MODULE_DEVICE_TABLE(of, ak4458_of_match);
static struct i2c_driver ak4458_i2c_driver = {
.driver = {
.name = "ak4458",
- .pm = &ak4458_pm,
+ .pm = pm_ptr(&ak4458_pm),
.of_match_table = ak4458_of_match,
},
- .probe_new = ak4458_i2c_probe,
+ .probe = ak4458_i2c_probe,
.remove = ak4458_i2c_remove,
};