diff options
Diffstat (limited to 'sound/soc/codecs/cs4271.c')
| -rw-r--r-- | sound/soc/codecs/cs4271.c | 155 |
1 files changed, 18 insertions, 137 deletions
diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c index 93cec52..79a4efc 100644 --- a/sound/soc/codecs/cs4271.c +++ b/sound/soc/codecs/cs4271.c @@ -23,8 +23,6 @@ #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> @@ -32,6 +30,7 @@ #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 | \ @@ -527,14 +526,15 @@ static int cs4271_soc_resume(struct snd_soc_codec *codec) #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; @@ -587,7 +587,7 @@ static int cs4271_probe(struct snd_soc_codec *codec) 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); @@ -599,8 +599,8 @@ static int cs4271_remove(struct snd_soc_codec *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, @@ -642,14 +642,8 @@ static int cs4271_common_probe(struct device *dev, 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), @@ -657,140 +651,27 @@ static const struct regmap_config cs4271_spi_regmap = { .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"); |
