While writes tend to be able to use a fairly bus independant format to do the writes reads are all bus specific. To allow us to factor out this code include the bus type as a parameter when setting up the cache.
Initially just use this to factor out hw_write_t for I2C.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- include/sound/soc.h | 9 ++++++++- sound/soc/codecs/wm8510.c | 10 +++++----- sound/soc/codecs/wm8580.c | 8 ++++---- sound/soc/codecs/wm8728.c | 10 +++++----- sound/soc/codecs/wm8731.c | 10 +++++----- sound/soc/codecs/wm8750.c | 10 +++++----- sound/soc/codecs/wm8960.c | 8 ++++---- sound/soc/codecs/wm8971.c | 8 ++++---- sound/soc/codecs/wm8988.c | 10 +++++----- sound/soc/soc-cache.c | 19 ++++++++++++++++++- 10 files changed, 63 insertions(+), 39 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h index 27409dd..d0b29a5 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -187,13 +187,20 @@ typedef int (*hw_read_t)(void *,char* ,int);
extern struct snd_ac97_bus_ops soc_ac97_ops;
+enum snd_soc_control_type { + SND_SOC_CUSTOM, + SND_SOC_I2C, + SND_SOC_SPI, +}; + int snd_soc_register_platform(struct snd_soc_platform *platform); void snd_soc_unregister_platform(struct snd_soc_platform *platform); int snd_soc_register_codec(struct snd_soc_codec *codec); void snd_soc_unregister_codec(struct snd_soc_codec *codec); int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg); int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, - int addr_bits, int data_bits); + int addr_bits, int data_bits, + enum snd_soc_control_type control);
#ifdef CONFIG_PM int snd_soc_suspend_device(struct device *dev); diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index 7a169bf..4ca724f 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -564,7 +564,8 @@ static int wm8510_resume(struct platform_device *pdev) * initialise the WM8510 driver * register the mixer and dsp interfaces with the kernel */ -static int wm8510_init(struct snd_soc_device *socdev) +static int wm8510_init(struct snd_soc_device *socdev, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = socdev->card->codec; int ret = 0; @@ -580,7 +581,7 @@ static int wm8510_init(struct snd_soc_device *socdev) if (codec->reg_cache == NULL) return -ENOMEM;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret); @@ -635,7 +636,7 @@ static int wm8510_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, codec); codec->control_data = i2c;
- ret = wm8510_init(socdev); + ret = wm8510_init(socdev, SND_SOC_I2C); if (ret < 0) pr_err("failed to initialise WM8510\n");
@@ -715,7 +716,7 @@ static int __devinit wm8510_spi_probe(struct spi_device *spi)
codec->control_data = spi;
- ret = wm8510_init(socdev); + ret = wm8510_init(socdev, SND_SOC_SPI); if (ret < 0) dev_err(&spi->dev, "failed to initialise WM8510\n");
@@ -784,7 +785,6 @@ static int wm8510_probe(struct platform_device *pdev) wm8510_socdev = socdev; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8510_add_i2c_device(pdev, setup); } #endif diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index 2250ade..d547347 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -832,7 +832,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8580 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8580);
-static int wm8580_register(struct wm8580_priv *wm8580) +static int wm8580_register(struct wm8580_priv *wm8580, + enum snd_soc_control_type control) { int ret, i; struct snd_soc_codec *codec = &wm8580->codec; @@ -859,7 +860,7 @@ static int wm8580_register(struct wm8580_priv *wm8580)
memcpy(codec->reg_cache, wm8580_reg, sizeof(wm8580_reg));
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); goto err; @@ -944,14 +945,13 @@ static int wm8580_i2c_probe(struct i2c_client *i2c, return -ENOMEM;
codec = &wm8580->codec; - codec->hw_write = (hw_write_t)i2c_master_send;
i2c_set_clientdata(i2c, wm8580); codec->control_data = i2c;
codec->dev = &i2c->dev;
- return wm8580_register(wm8580); + return wm8580_register(wm8580, SND_SOC_I2C); }
static int wm8580_i2c_remove(struct i2c_client *client) diff --git a/sound/soc/codecs/wm8728.c b/sound/soc/codecs/wm8728.c index 66da44b..a28630d 100644 --- a/sound/soc/codecs/wm8728.c +++ b/sound/soc/codecs/wm8728.c @@ -248,7 +248,8 @@ static int wm8728_resume(struct platform_device *pdev) * initialise the WM8728 driver * register the mixer and dsp interfaces with the kernel */ -static int wm8728_init(struct snd_soc_device *socdev) +static int wm8728_init(struct snd_soc_device *socdev, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = socdev->card->codec; int ret = 0; @@ -266,7 +267,7 @@ static int wm8728_init(struct snd_soc_device *socdev) if (codec->reg_cache == NULL) return -ENOMEM;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { printk(KERN_ERR "wm8728: failed to configure cache I/O: %d\n", ret); @@ -323,7 +324,7 @@ static int wm8728_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, codec); codec->control_data = i2c;
- ret = wm8728_init(socdev); + ret = wm8728_init(socdev, SND_SOC_I2C); if (ret < 0) pr_err("failed to initialise WM8728\n");
@@ -403,7 +404,7 @@ static int __devinit wm8728_spi_probe(struct spi_device *spi)
codec->control_data = spi;
- ret = wm8728_init(socdev); + ret = wm8728_init(socdev, SND_SOC_SPI); if (ret < 0) dev_err(&spi->dev, "failed to initialise WM8728\n");
@@ -472,7 +473,6 @@ static int wm8728_probe(struct platform_device *pdev)
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8728_add_i2c_device(pdev, setup); } #endif diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 4eb84ff..27fc942 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -504,7 +504,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8731 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
-static int wm8731_register(struct wm8731_priv *wm8731) +static int wm8731_register(struct wm8731_priv *wm8731, + enum snd_soc_control_type control) { int ret; struct snd_soc_codec *codec = &wm8731->codec; @@ -531,7 +532,7 @@ static int wm8731_register(struct wm8731_priv *wm8731)
memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg));
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); goto err; @@ -630,7 +631,7 @@ static int __devinit wm8731_spi_probe(struct spi_device *spi)
dev_set_drvdata(&spi->dev, wm8731);
- return wm8731_register(wm8731); + return wm8731_register(wm8731, SND_SOC_SPI); }
static int __devexit wm8731_spi_remove(struct spi_device *spi) @@ -682,14 +683,13 @@ static __devinit int wm8731_i2c_probe(struct i2c_client *i2c, return -ENOMEM;
codec = &wm8731->codec; - codec->hw_write = (hw_write_t)i2c_master_send;
i2c_set_clientdata(i2c, wm8731); codec->control_data = i2c;
codec->dev = &i2c->dev;
- return wm8731_register(wm8731); + return wm8731_register(wm8731, SND_SOC_I2C); }
static __devexit int wm8731_i2c_remove(struct i2c_client *client) diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c index ed09043..e6422b1 100644 --- a/sound/soc/codecs/wm8750.c +++ b/sound/soc/codecs/wm8750.c @@ -711,7 +711,8 @@ static int wm8750_resume(struct platform_device *pdev) * initialise the WM8750 driver * register the mixer and dsp interfaces with the kernel */ -static int wm8750_init(struct snd_soc_device *socdev) +static int wm8750_init(struct snd_soc_device *socdev, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = socdev->card->codec; int reg, ret = 0; @@ -726,7 +727,7 @@ static int wm8750_init(struct snd_soc_device *socdev) if (codec->reg_cache == NULL) return -ENOMEM;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret); goto err; @@ -809,7 +810,7 @@ static int wm8750_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, codec); codec->control_data = i2c;
- ret = wm8750_init(socdev); + ret = wm8750_init(socdev, SND_SOC_I2C); if (ret < 0) pr_err("failed to initialise WM8750\n");
@@ -889,7 +890,7 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi)
codec->control_data = spi;
- ret = wm8750_init(socdev); + ret = wm8750_init(socdev, SND_SOC_SPI); if (ret < 0) dev_err(&spi->dev, "failed to initialise WM8750\n");
@@ -967,7 +968,6 @@ static int wm8750_probe(struct platform_device *pdev)
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8750_add_i2c_device(pdev, setup); } #endif diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index c529ffc..f59703b 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -747,7 +747,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8960 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8960);
-static int wm8960_register(struct wm8960_priv *wm8960) +static int wm8960_register(struct wm8960_priv *wm8960, + enum snd_soc_control_type control) { struct wm8960_data *pdata = wm8960->codec.dev->platform_data; struct snd_soc_codec *codec = &wm8960->codec; @@ -785,7 +786,7 @@ static int wm8960_register(struct wm8960_priv *wm8960)
memcpy(codec->reg_cache, wm8960_reg, sizeof(wm8960_reg));
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); goto err; @@ -866,14 +867,13 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c, return -ENOMEM;
codec = &wm8960->codec; - codec->hw_write = (hw_write_t)i2c_master_send;
i2c_set_clientdata(i2c, wm8960); codec->control_data = i2c;
codec->dev = &i2c->dev;
- return wm8960_register(wm8960); + return wm8960_register(wm8960, SND_SOC_I2C); }
static __devexit int wm8960_i2c_remove(struct i2c_client *client) diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c index 53f3bc9..d66efb0 100644 --- a/sound/soc/codecs/wm8971.c +++ b/sound/soc/codecs/wm8971.c @@ -640,7 +640,8 @@ static int wm8971_resume(struct platform_device *pdev) return 0; }
-static int wm8971_init(struct snd_soc_device *socdev) +static int wm8971_init(struct snd_soc_device *socdev, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = socdev->card->codec; int reg, ret = 0; @@ -656,7 +657,7 @@ static int wm8971_init(struct snd_soc_device *socdev) if (codec->reg_cache == NULL) return -ENOMEM;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { printk(KERN_ERR "wm8971: failed to set cache I/O: %d\n", ret); goto err; @@ -734,7 +735,7 @@ static int wm8971_i2c_probe(struct i2c_client *i2c,
codec->control_data = i2c;
- ret = wm8971_init(socdev); + ret = wm8971_init(socdev, SND_SOC_I2C); if (ret < 0) pr_err("failed to initialise WM8971\n");
@@ -844,7 +845,6 @@ static int wm8971_probe(struct platform_device *pdev)
#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8971_add_i2c_device(pdev, setup); } #endif diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c index 7d5b807..7486d3e 100644 --- a/sound/soc/codecs/wm8988.c +++ b/sound/soc/codecs/wm8988.c @@ -825,7 +825,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8988 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8988);
-static int wm8988_register(struct wm8988_priv *wm8988) +static int wm8988_register(struct wm8988_priv *wm8988, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = &wm8988->codec; int ret; @@ -854,7 +855,7 @@ static int wm8988_register(struct wm8988_priv *wm8988) memcpy(codec->reg_cache, wm8988_reg, sizeof(wm8988_reg));
- ret = snd_soc_codec_set_cache_io(codec, 7, 9); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); goto err; @@ -927,14 +928,13 @@ static int wm8988_i2c_probe(struct i2c_client *i2c, return -ENOMEM;
codec = &wm8988->codec; - codec->hw_write = (hw_write_t)i2c_master_send;
i2c_set_clientdata(i2c, wm8988); codec->control_data = i2c;
codec->dev = &i2c->dev;
- return wm8988_register(wm8988); + return wm8988_register(wm8988, SND_SOC_I2C); }
static int wm8988_i2c_remove(struct i2c_client *client) @@ -1019,7 +1019,7 @@ static int __devinit wm8988_spi_probe(struct spi_device *spi)
spi->dev.driver_data = wm8988;
- return wm8988_register(wm8988); + return wm8988_register(wm8988, SND_SOC_SPI); }
static int __devexit wm8988_spi_remove(struct spi_device *spi) diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index 4eb4333..8b12668 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -11,6 +11,7 @@ * option) any later version. */
+#include <linux/i2c.h> #include <sound/soc.h>
static unsigned int snd_soc_7_9_read(struct snd_soc_codec *codec, @@ -62,6 +63,7 @@ static struct { * @type: Type of cache. * @addr_bits: Number of bits of register address data. * @data_bits: Number of bits of data per register. + * @control: Control bus used. * * Register formats are frequently shared between many I2C and SPI * devices. In order to promote code reuse the ASoC core provides @@ -75,7 +77,8 @@ static struct { * volatile registers. */ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, - int addr_bits, int data_bits) + int addr_bits, int data_bits, + enum snd_soc_control_type control) { int i;
@@ -100,6 +103,20 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, codec->write = io_types[i].write; codec->read = io_types[i].read;
+ switch (control) { + case SND_SOC_CUSTOM: + break; + + case SND_SOC_I2C: +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + codec->hw_write = (hw_write_t)i2c_master_send; +#endif + break; + + case SND_SOC_SPI: + break; + } + return 0; } EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);