diff options
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 215 |
1 files changed, 112 insertions, 103 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index c6db677..3ff971a 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -36,6 +36,11 @@ struct wm8731_priv { unsigned int sysclk; }; +#ifdef CONFIG_SPI_MASTER +static int wm8731_spi_write(struct spi_device *spi, const char *data, int len); +static struct spi_driver wm8731_spi_driver; +#endif + /* * wm8731 register cache * We can't read the WM8731 register space when we are @@ -544,54 +549,9 @@ pcm_err: static struct snd_soc_device *wm8731_socdev; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - -/* - * WM8731 2 wire address is determined by GPIO5 - * state during powerup. - * low = 0x1a - * high = 0x1b - */ - -static int wm8731_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct snd_soc_device *socdev = wm8731_socdev; - struct snd_soc_codec *codec = socdev->card->codec; - int ret; - - i2c_set_clientdata(i2c, codec); - codec->control_data = i2c; - - ret = wm8731_init(socdev); - if (ret < 0) - pr_err("failed to initialise WM8731\n"); - - return ret; -} -static int wm8731_i2c_remove(struct i2c_client *client) -{ - struct snd_soc_codec *codec = i2c_get_clientdata(client); - kfree(codec->reg_cache); - return 0; -} - -static const struct i2c_device_id wm8731_i2c_id[] = { - { "wm8731", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id); - -static struct i2c_driver wm8731_i2c_driver = { - .driver = { - .name = "WM8731 I2C Codec", - .owner = THIS_MODULE, - }, - .probe = wm8731_i2c_probe, - .remove = wm8731_i2c_remove, - .id_table = wm8731_i2c_id, -}; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +static struct i2c_driver wm8731_i2c_driver; static int wm8731_add_i2c_device(struct platform_device *pdev, const struct wm8731_setup_data *setup) @@ -634,62 +594,6 @@ err_driver: } #endif -#if defined(CONFIG_SPI_MASTER) -static int __devinit wm8731_spi_probe(struct spi_device *spi) -{ - struct snd_soc_device *socdev = wm8731_socdev; - struct snd_soc_codec *codec = socdev->card->codec; - int ret; - - codec->control_data = spi; - - ret = wm8731_init(socdev); - if (ret < 0) - dev_err(&spi->dev, "failed to initialise WM8731\n"); - - return ret; -} - -static int __devexit wm8731_spi_remove(struct spi_device *spi) -{ - return 0; -} - -static struct spi_driver wm8731_spi_driver = { - .driver = { - .name = "wm8731", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - .probe = wm8731_spi_probe, - .remove = __devexit_p(wm8731_spi_remove), -}; - -static int wm8731_spi_write(struct spi_device *spi, const char *data, int len) -{ - struct spi_transfer t; - struct spi_message m; - u8 msg[2]; - - if (len <= 0) - return 0; - - msg[0] = data[0]; - msg[1] = data[1]; - - spi_message_init(&m); - memset(&t, 0, (sizeof t)); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; -} -#endif /* CONFIG_SPI_MASTER */ - static int wm8731_probe(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); @@ -772,6 +676,111 @@ struct snd_soc_codec_device soc_codec_dev_wm8731 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731); +#if defined(CONFIG_SPI_MASTER) +static int __devinit wm8731_spi_probe(struct spi_device *spi) +{ + struct snd_soc_device *socdev = wm8731_socdev; + struct snd_soc_codec *codec = socdev->card->codec; + int ret; + + codec->control_data = spi; + + ret = wm8731_init(socdev); + if (ret < 0) + dev_err(&spi->dev, "failed to initialise WM8731\n"); + + return ret; +} + +static int __devexit wm8731_spi_remove(struct spi_device *spi) +{ + return 0; +} + +static struct spi_driver wm8731_spi_driver = { + .driver = { + .name = "wm8731", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = wm8731_spi_probe, + .remove = __devexit_p(wm8731_spi_remove), +}; + +static int wm8731_spi_write(struct spi_device *spi, const char *data, int len) +{ + struct spi_transfer t; + struct spi_message m; + u8 msg[2]; + + if (len <= 0) + return 0; + + msg[0] = data[0]; + msg[1] = data[1]; + + spi_message_init(&m); + memset(&t, 0, (sizeof t)); + + t.tx_buf = &msg[0]; + t.len = len; + + spi_message_add_tail(&t, &m); + spi_sync(spi, &m); + + return len; +} +#endif /* CONFIG_SPI_MASTER */ + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +/* + * WM8731 2 wire address is determined by GPIO5 + * state during powerup. + * low = 0x1a + * high = 0x1b + */ + +static int wm8731_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct snd_soc_device *socdev = wm8731_socdev; + struct snd_soc_codec *codec = socdev->card->codec; + int ret; + + i2c_set_clientdata(i2c, codec); + codec->control_data = i2c; + + ret = wm8731_init(socdev); + if (ret < 0) + pr_err("failed to initialise WM8731\n"); + + return ret; +} + +static int wm8731_i2c_remove(struct i2c_client *client) +{ + struct snd_soc_codec *codec = i2c_get_clientdata(client); + kfree(codec->reg_cache); + return 0; +} + +static const struct i2c_device_id wm8731_i2c_id[] = { + { "wm8731", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id); + +static struct i2c_driver wm8731_i2c_driver = { + .driver = { + .name = "WM8731 I2C Codec", + .owner = THIS_MODULE, + }, + .probe = wm8731_i2c_probe, + .remove = wm8731_i2c_remove, + .id_table = wm8731_i2c_id, +}; +#endif + static int __init wm8731_modinit(void) { return snd_soc_register_dai(&wm8731_dai); |
