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Diffstat (limited to 'sound/soc/codecs/ak5386.c')
-rw-r--r--sound/soc/codecs/ak5386.c97
1 files changed, 41 insertions, 56 deletions
diff --git a/sound/soc/codecs/ak5386.c b/sound/soc/codecs/ak5386.c
index 0ef2df223336..6525d50b7ab2 100644
--- a/sound/soc/codecs/ak5386.c
+++ b/sound/soc/codecs/ak5386.c
@@ -1,20 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ALSA SoC driver for
* Asahi Kasei AK5386 Single-ended 24-Bit 192kHz delta-sigma ADC
*
* (c) 2013 Daniel Mack <zonque@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
+#include <linux/device.h>
+#include <linux/dev_printk.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-#include <linux/of_device.h>
#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/initval.h>
@@ -24,7 +22,7 @@ static const char * const supply_names[] = {
};
struct ak5386_priv {
- int reset_gpio;
+ struct gpio_desc *reset_gpio;
struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
};
@@ -38,30 +36,29 @@ static const struct snd_soc_dapm_route ak5386_dapm_routes[] = {
{ "Capture", NULL, "AINR" },
};
-static int ak5386_soc_probe(struct snd_soc_codec *codec)
+static int ak5386_soc_probe(struct snd_soc_component *component)
{
- struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct ak5386_priv *priv = snd_soc_component_get_drvdata(component);
return regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
}
-static int ak5386_soc_remove(struct snd_soc_codec *codec)
+static void ak5386_soc_remove(struct snd_soc_component *component)
{
- struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct ak5386_priv *priv = snd_soc_component_get_drvdata(component);
regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies);
- return 0;
}
#ifdef CONFIG_PM
-static int ak5386_soc_suspend(struct snd_soc_codec *codec)
+static int ak5386_soc_suspend(struct snd_soc_component *component)
{
- struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct ak5386_priv *priv = snd_soc_component_get_drvdata(component);
regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies);
return 0;
}
-static int ak5386_soc_resume(struct snd_soc_codec *codec)
+static int ak5386_soc_resume(struct snd_soc_component *component)
{
- struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct ak5386_priv *priv = snd_soc_component_get_drvdata(component);
return regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
}
#else
@@ -69,28 +66,29 @@ static int ak5386_soc_resume(struct snd_soc_codec *codec)
#define ak5386_soc_resume NULL
#endif /* CONFIG_PM */
-static struct snd_soc_codec_driver soc_codec_ak5386 = {
- .probe = ak5386_soc_probe,
- .remove = ak5386_soc_remove,
- .suspend = ak5386_soc_suspend,
- .resume = ak5386_soc_resume,
- .component_driver = {
- .dapm_widgets = ak5386_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(ak5386_dapm_widgets),
- .dapm_routes = ak5386_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(ak5386_dapm_routes),
- },
+static const struct snd_soc_component_driver soc_component_ak5386 = {
+ .probe = ak5386_soc_probe,
+ .remove = ak5386_soc_remove,
+ .suspend = ak5386_soc_suspend,
+ .resume = ak5386_soc_resume,
+ .dapm_widgets = ak5386_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ak5386_dapm_widgets),
+ .dapm_routes = ak5386_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(ak5386_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
static int ak5386_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int format)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
format &= SND_SOC_DAIFMT_FORMAT_MASK;
if (format != SND_SOC_DAIFMT_LEFT_J &&
format != SND_SOC_DAIFMT_I2S) {
- dev_err(codec->dev, "Invalid DAI format\n");
+ dev_err(component->dev, "Invalid DAI format\n");
return -EINVAL;
}
@@ -101,8 +99,8 @@ static int ak5386_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct ak5386_priv *priv = snd_soc_component_get_drvdata(component);
/*
* From the datasheet:
@@ -114,8 +112,7 @@ static int ak5386_hw_params(struct snd_pcm_substream *substream,
* the AK5386 in power-down mode (PDN pin = ā€œLā€).
*/
- if (gpio_is_valid(priv->reset_gpio))
- gpio_set_value(priv->reset_gpio, 1);
+ gpiod_set_value(priv->reset_gpio, 1);
return 0;
}
@@ -123,11 +120,10 @@ static int ak5386_hw_params(struct snd_pcm_substream *substream,
static int ak5386_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct ak5386_priv *priv = snd_soc_component_get_drvdata(component);
- if (gpio_is_valid(priv->reset_gpio))
- gpio_set_value(priv->reset_gpio, 0);
+ gpiod_set_value(priv->reset_gpio, 0);
return 0;
}
@@ -171,7 +167,6 @@ static int ak5386_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
- priv->reset_gpio = -EINVAL;
dev_set_drvdata(dev, priv);
for (i = 0; i < ARRAY_SIZE(supply_names); i++)
@@ -182,29 +177,19 @@ static int ak5386_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
- if (of_match_device(of_match_ptr(ak5386_dt_ids), dev))
- priv->reset_gpio = of_get_named_gpio(dev->of_node,
- "reset-gpio", 0);
+ priv->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(priv->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
+ "Failed to get AK5386 reset GPIO\n");
- if (gpio_is_valid(priv->reset_gpio))
- if (devm_gpio_request_one(dev, priv->reset_gpio,
- GPIOF_OUT_INIT_LOW,
- "AK5386 Reset"))
- priv->reset_gpio = -EINVAL;
+ gpiod_set_consumer_name(priv->reset_gpio, "AK5386 Reset");
- return snd_soc_register_codec(dev, &soc_codec_ak5386,
+ return devm_snd_soc_register_component(dev, &soc_component_ak5386,
&ak5386_dai, 1);
}
-static int ak5386_remove(struct platform_device *pdev)
-{
- snd_soc_unregister_codec(&pdev->dev);
- return 0;
-}
-
static struct platform_driver ak5386_driver = {
.probe = ak5386_probe,
- .remove = ak5386_remove,
.driver = {
.name = "ak5386",
.of_match_table = of_match_ptr(ak5386_dt_ids),