diff options
Diffstat (limited to 'sound/soc/codecs/wm8728.c')
| -rw-r--r-- | sound/soc/codecs/wm8728.c | 136 |
1 files changed, 68 insertions, 68 deletions
diff --git a/sound/soc/codecs/wm8728.c b/sound/soc/codecs/wm8728.c index 075f35e4f4c..bac7fc28fe7 100644 --- a/sound/soc/codecs/wm8728.c +++ b/sound/soc/codecs/wm8728.c @@ -17,13 +17,14 @@ #include <linux/pm.h> #include <linux/i2c.h> #include <linux/platform_device.h> +#include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/slab.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> -#include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> @@ -35,16 +36,16 @@ * the volume update bits, mute the output and enable infinite zero * detect. */ -static const u16 wm8728_reg_defaults[] = { - 0x1ff, - 0x1ff, - 0x001, - 0x100, +static const struct reg_default wm8728_reg_defaults[] = { + { 0, 0x1ff }, + { 1, 0x1ff }, + { 2, 0x001 }, + { 3, 0x100 }, }; /* codec private data */ struct wm8728_priv { - enum snd_soc_control_type control_type; + struct regmap *regmap; }; static const DECLARE_TLV_DB_SCALE(wm8728_tlv, -12750, 50, 1); @@ -66,21 +67,11 @@ SND_SOC_DAPM_OUTPUT("VOUTL"), SND_SOC_DAPM_OUTPUT("VOUTR"), }; -static const struct snd_soc_dapm_route intercon[] = { +static const struct snd_soc_dapm_route wm8728_intercon[] = { {"VOUTL", NULL, "DAC"}, {"VOUTR", NULL, "DAC"}, }; -static int wm8728_add_widgets(struct snd_soc_codec *codec) -{ - snd_soc_dapm_new_controls(codec, wm8728_dapm_widgets, - ARRAY_SIZE(wm8728_dapm_widgets)); - - snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); - - return 0; -} - static int wm8728_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; @@ -98,8 +89,7 @@ static int wm8728_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_codec *codec = dai->codec; u16 dac = snd_soc_read(codec, WM8728_DACCTL); dac &= ~0x18; @@ -173,22 +163,20 @@ static int wm8728_set_dai_fmt(struct snd_soc_dai *codec_dai, static int wm8728_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + struct wm8728_priv *wm8728 = snd_soc_codec_get_drvdata(codec); u16 reg; - int i; switch (level) { case SND_SOC_BIAS_ON: case SND_SOC_BIAS_PREPARE: case SND_SOC_BIAS_STANDBY: - if (codec->bias_level == SND_SOC_BIAS_OFF) { + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { /* Power everything up... */ reg = snd_soc_read(codec, WM8728_DACCTL); snd_soc_write(codec, WM8728_DACCTL, reg & ~0x4); /* ..then sync in the register cache. */ - for (i = 0; i < ARRAY_SIZE(wm8728_reg_defaults); i++) - snd_soc_write(codec, i, - snd_soc_read(codec, i)); + regcache_sync(wm8728->regmap); } break; @@ -197,7 +185,7 @@ static int wm8728_set_bias_level(struct snd_soc_codec *codec, snd_soc_write(codec, WM8728_DACCTL, reg | 0x4); break; } - codec->bias_level = level; + codec->dapm.bias_level = level; return 0; } @@ -206,7 +194,7 @@ static int wm8728_set_bias_level(struct snd_soc_codec *codec, #define WM8728_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ SNDRV_PCM_FMTBIT_S24_LE) -static struct snd_soc_dai_ops wm8728_dai_ops = { +static const struct snd_soc_dai_ops wm8728_dai_ops = { .hw_params = wm8728_hw_params, .digital_mute = wm8728_mute, .set_fmt = wm8728_set_dai_fmt, @@ -224,7 +212,7 @@ static struct snd_soc_dai_driver wm8728_dai = { .ops = &wm8728_dai_ops, }; -static int wm8728_suspend(struct snd_soc_codec *codec, pm_message_t state) +static int wm8728_suspend(struct snd_soc_codec *codec) { wm8728_set_bias_level(codec, SND_SOC_BIAS_OFF); @@ -240,24 +228,10 @@ static int wm8728_resume(struct snd_soc_codec *codec) static int wm8728_probe(struct snd_soc_codec *codec) { - struct wm8728_priv *wm8728 = snd_soc_codec_get_drvdata(codec); - int ret; - - ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8728->control_type); - if (ret < 0) { - printk(KERN_ERR "wm8728: failed to configure cache I/O: %d\n", - ret); - return ret; - } - /* power on device */ wm8728_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - snd_soc_add_controls(codec, wm8728_snd_controls, - ARRAY_SIZE(wm8728_snd_controls)); - wm8728_add_widgets(codec); - - return ret; + return 0; } static int wm8728_remove(struct snd_soc_codec *codec) @@ -272,73 +246,98 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8728 = { .suspend = wm8728_suspend, .resume = wm8728_resume, .set_bias_level = wm8728_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8728_reg_defaults), - .reg_word_size = sizeof(u16), - .reg_cache_default = wm8728_reg_defaults, + .controls = wm8728_snd_controls, + .num_controls = ARRAY_SIZE(wm8728_snd_controls), + .dapm_widgets = wm8728_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8728_dapm_widgets), + .dapm_routes = wm8728_intercon, + .num_dapm_routes = ARRAY_SIZE(wm8728_intercon), +}; + +static const struct of_device_id wm8728_of_match[] = { + { .compatible = "wlf,wm8728", }, + { } +}; +MODULE_DEVICE_TABLE(of, wm8728_of_match); + +static const struct regmap_config wm8728_regmap = { + .reg_bits = 7, + .val_bits = 9, + .max_register = WM8728_IFCTL, + + .reg_defaults = wm8728_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8728_reg_defaults), + .cache_type = REGCACHE_RBTREE, }; #if defined(CONFIG_SPI_MASTER) -static int __devinit wm8728_spi_probe(struct spi_device *spi) +static int wm8728_spi_probe(struct spi_device *spi) { struct wm8728_priv *wm8728; int ret; - wm8728 = kzalloc(sizeof(struct wm8728_priv), GFP_KERNEL); + wm8728 = devm_kzalloc(&spi->dev, sizeof(struct wm8728_priv), + GFP_KERNEL); if (wm8728 == NULL) return -ENOMEM; - wm8728->control_type = SND_SOC_SPI; + wm8728->regmap = devm_regmap_init_spi(spi, &wm8728_regmap); + if (IS_ERR(wm8728->regmap)) + return PTR_ERR(wm8728->regmap); + spi_set_drvdata(spi, wm8728); ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8728, &wm8728_dai, 1); - if (ret < 0) - kfree(wm8728); + return ret; } -static int __devexit wm8728_spi_remove(struct spi_device *spi) +static int wm8728_spi_remove(struct spi_device *spi) { snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); + return 0; } static struct spi_driver wm8728_spi_driver = { .driver = { - .name = "wm8728-codec", + .name = "wm8728", .owner = THIS_MODULE, + .of_match_table = wm8728_of_match, }, .probe = wm8728_spi_probe, - .remove = __devexit_p(wm8728_spi_remove), + .remove = wm8728_spi_remove, }; #endif /* CONFIG_SPI_MASTER */ -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static __devinit int wm8728_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +#if IS_ENABLED(CONFIG_I2C) +static int wm8728_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct wm8728_priv *wm8728; int ret; - wm8728 = kzalloc(sizeof(struct wm8728_priv), GFP_KERNEL); + wm8728 = devm_kzalloc(&i2c->dev, sizeof(struct wm8728_priv), + GFP_KERNEL); if (wm8728 == NULL) return -ENOMEM; + wm8728->regmap = devm_regmap_init_i2c(i2c, &wm8728_regmap); + if (IS_ERR(wm8728->regmap)) + return PTR_ERR(wm8728->regmap); + i2c_set_clientdata(i2c, wm8728); - wm8728->control_type = SND_SOC_I2C; ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8728, &wm8728_dai, 1); - if (ret < 0) - kfree(wm8728); + return ret; } -static __devexit int wm8728_i2c_remove(struct i2c_client *client) +static int wm8728_i2c_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); return 0; } @@ -350,11 +349,12 @@ MODULE_DEVICE_TABLE(i2c, wm8728_i2c_id); static struct i2c_driver wm8728_i2c_driver = { .driver = { - .name = "wm8728-codec", + .name = "wm8728", .owner = THIS_MODULE, + .of_match_table = wm8728_of_match, }, .probe = wm8728_i2c_probe, - .remove = __devexit_p(wm8728_i2c_remove), + .remove = wm8728_i2c_remove, .id_table = wm8728_i2c_id, }; #endif @@ -362,7 +362,7 @@ static struct i2c_driver wm8728_i2c_driver = { static int __init wm8728_modinit(void) { int ret = 0; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) ret = i2c_add_driver(&wm8728_i2c_driver); if (ret != 0) { printk(KERN_ERR "Failed to register wm8728 I2C driver: %d\n", @@ -382,7 +382,7 @@ module_init(wm8728_modinit); static void __exit wm8728_exit(void) { -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) i2c_del_driver(&wm8728_i2c_driver); #endif #if defined(CONFIG_SPI_MASTER) |
