#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/gpio.h>
-#include <linux/i2c.h>
-#include <linux/spi/spi.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <sound/cs4271.h>
+#include "cs4271.h"
#define CS4271_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S24_LE | \
#endif /* CONFIG_PM */
#ifdef CONFIG_OF
-static const struct of_device_id cs4271_dt_ids[] = {
+const struct of_device_id cs4271_dt_ids[] = {
{ .compatible = "cirrus,cs4271", },
{ }
};
MODULE_DEVICE_TABLE(of, cs4271_dt_ids);
+EXPORT_SYMBOL_GPL(cs4271_dt_ids);
#endif
-static int cs4271_probe(struct snd_soc_codec *codec)
+static int cs4271_codec_probe(struct snd_soc_codec *codec)
{
struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
struct cs4271_platform_data *cs4271plat = codec->dev->platform_data;
return 0;
}
-static int cs4271_remove(struct snd_soc_codec *codec)
+static int cs4271_codec_remove(struct snd_soc_codec *codec)
{
struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
};
static struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
- .probe = cs4271_probe,
- .remove = cs4271_remove,
+ .probe = cs4271_codec_probe,
+ .remove = cs4271_codec_remove,
.suspend = cs4271_soc_suspend,
.resume = cs4271_soc_resume,
return 0;
}
-#if defined(CONFIG_SPI_MASTER)
-
-static const struct regmap_config cs4271_spi_regmap = {
- .reg_bits = 16,
- .val_bits = 8,
+const struct regmap_config cs4271_regmap_config = {
.max_register = CS4271_LASTREG,
- .read_flag_mask = 0x21,
- .write_flag_mask = 0x20,
.reg_defaults = cs4271_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(cs4271_reg_defaults),
.volatile_reg = cs4271_volatile_reg,
};
+EXPORT_SYMBOL_GPL(cs4271_regmap_config);
-static int cs4271_spi_probe(struct spi_device *spi)
+int cs4271_probe(struct device *dev, struct regmap *regmap)
{
struct cs4271_private *cs4271;
int ret;
- ret = cs4271_common_probe(&spi->dev, &cs4271);
- if (ret < 0)
- return ret;
-
- spi_set_drvdata(spi, cs4271);
- cs4271->regmap = devm_regmap_init_spi(spi, &cs4271_spi_regmap);
- if (IS_ERR(cs4271->regmap))
- return PTR_ERR(cs4271->regmap);
-
- return snd_soc_register_codec(&spi->dev, &soc_codec_dev_cs4271,
- &cs4271_dai, 1);
-}
-
-static int cs4271_spi_remove(struct spi_device *spi)
-{
- snd_soc_unregister_codec(&spi->dev);
- return 0;
-}
-
-static struct spi_driver cs4271_spi_driver = {
- .driver = {
- .name = "cs4271",
- .owner = THIS_MODULE,
- .of_match_table = of_match_ptr(cs4271_dt_ids),
- },
- .probe = cs4271_spi_probe,
- .remove = cs4271_spi_remove,
-};
-#endif /* defined(CONFIG_SPI_MASTER) */
-
-#if IS_ENABLED(CONFIG_I2C)
-static const struct i2c_device_id cs4271_i2c_id[] = {
- {"cs4271", 0},
- {}
-};
-MODULE_DEVICE_TABLE(i2c, cs4271_i2c_id);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
-static const struct regmap_config cs4271_i2c_regmap = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = CS4271_LASTREG,
-
- .reg_defaults = cs4271_reg_defaults,
- .num_reg_defaults = ARRAY_SIZE(cs4271_reg_defaults),
- .cache_type = REGCACHE_RBTREE,
-
- .volatile_reg = cs4271_volatile_reg,
-};
-
-static int cs4271_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct cs4271_private *cs4271;
- int ret;
-
- ret = cs4271_common_probe(&client->dev, &cs4271);
+ ret = cs4271_common_probe(dev, &cs4271);
if (ret < 0)
return ret;
- i2c_set_clientdata(client, cs4271);
- cs4271->regmap = devm_regmap_init_i2c(client, &cs4271_i2c_regmap);
- if (IS_ERR(cs4271->regmap))
- return PTR_ERR(cs4271->regmap);
+ dev_set_drvdata(dev, cs4271);
+ cs4271->regmap = regmap;
- return snd_soc_register_codec(&client->dev, &soc_codec_dev_cs4271,
- &cs4271_dai, 1);
-}
-
-static int cs4271_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
-static struct i2c_driver cs4271_i2c_driver = {
- .driver = {
- .name = "cs4271",
- .owner = THIS_MODULE,
- .of_match_table = of_match_ptr(cs4271_dt_ids),
- },
- .id_table = cs4271_i2c_id,
- .probe = cs4271_i2c_probe,
- .remove = cs4271_i2c_remove,
-};
-#endif /* IS_ENABLED(CONFIG_I2C) */
-
-/*
- * We only register our serial bus driver here without
- * assignment to particular chip. So if any of the below
- * fails, there is some problem with I2C or SPI subsystem.
- * In most cases this module will be compiled with support
- * of only one serial bus.
- */
-static int __init cs4271_modinit(void)
-{
- int ret;
-
-#if IS_ENABLED(CONFIG_I2C)
- ret = i2c_add_driver(&cs4271_i2c_driver);
- if (ret) {
- pr_err("Failed to register CS4271 I2C driver: %d\n", ret);
- return ret;
- }
-#endif
-
-#if defined(CONFIG_SPI_MASTER)
- ret = spi_register_driver(&cs4271_spi_driver);
- if (ret) {
- pr_err("Failed to register CS4271 SPI driver: %d\n", ret);
- return ret;
- }
-#endif
-
- return 0;
-}
-module_init(cs4271_modinit);
-
-static void __exit cs4271_modexit(void)
-{
-#if defined(CONFIG_SPI_MASTER)
- spi_unregister_driver(&cs4271_spi_driver);
-#endif
-
-#if IS_ENABLED(CONFIG_I2C)
- i2c_del_driver(&cs4271_i2c_driver);
-#endif
+ return snd_soc_register_codec(dev, &soc_codec_dev_cs4271, &cs4271_dai,
+ 1);
}
-module_exit(cs4271_modexit);
+EXPORT_SYMBOL_GPL(cs4271_probe);
MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
MODULE_DESCRIPTION("Cirrus Logic CS4271 ALSA SoC Codec Driver");
projects / firefly-linux-kernel-4.4.55.git / blobdiff