diff options
Diffstat (limited to 'sound/soc/codecs/wm8523.c')
-rw-r--r-- | sound/soc/codecs/wm8523.c | 178 |
1 files changed, 44 insertions, 134 deletions
diff --git a/sound/soc/codecs/wm8523.c b/sound/soc/codecs/wm8523.c index 0ad039b4adf5..9a433a5396cb 100644 --- a/sound/soc/codecs/wm8523.c +++ b/sound/soc/codecs/wm8523.c @@ -30,9 +30,6 @@ #include "wm8523.h" -static struct snd_soc_codec *wm8523_codec; -struct snd_soc_codec_device soc_codec_dev_wm8523; - #define WM8523_NUM_SUPPLIES 2 static const char *wm8523_supply_names[WM8523_NUM_SUPPLIES] = { "AVDD", @@ -43,7 +40,7 @@ static const char *wm8523_supply_names[WM8523_NUM_SUPPLIES] = { /* codec private data */ struct wm8523_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; u16 reg_cache[WM8523_REGISTER_COUNT]; struct regulator_bulk_data supplies[WM8523_NUM_SUPPLIES]; unsigned int sysclk; @@ -149,7 +146,6 @@ static int wm8523_startup(struct snd_pcm_substream *substream, return -EINVAL; } - return 0; snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &wm8523->rate_constraint); @@ -162,8 +158,7 @@ static int wm8523_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = rtd->codec; struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec); int i; u16 aifctrl1 = snd_soc_read(codec, WM8523_AIF_CTRL1); @@ -387,8 +382,8 @@ static struct snd_soc_dai_ops wm8523_dai_ops = { .set_fmt = wm8523_set_dai_fmt, }; -struct snd_soc_dai wm8523_dai = { - .name = "WM8523", +static struct snd_soc_dai_driver wm8523_dai = { + .name = "wm8523-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, /* Mono modes not yet supported */ @@ -398,25 +393,17 @@ struct snd_soc_dai wm8523_dai = { }, .ops = &wm8523_dai_ops, }; -EXPORT_SYMBOL_GPL(wm8523_dai); #ifdef CONFIG_PM -static int wm8523_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8523_suspend(struct snd_soc_codec *codec, pm_message_t state) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int wm8523_resume(struct platform_device *pdev) +static int wm8523_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - wm8523_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; } #else @@ -424,93 +411,20 @@ static int wm8523_resume(struct platform_device *pdev) #define wm8523_resume NULL #endif -static int wm8523_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret = 0; - - if (wm8523_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = wm8523_codec; - codec = wm8523_codec; - - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - dev_err(codec->dev, "failed to create pcms: %d\n", ret); - goto pcm_err; - } - - snd_soc_add_controls(codec, wm8523_snd_controls, - ARRAY_SIZE(wm8523_snd_controls)); - wm8523_add_widgets(codec); - - return ret; - -pcm_err: - return ret; -} - -static int wm8523_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_wm8523 = { - .probe = wm8523_probe, - .remove = wm8523_remove, - .suspend = wm8523_suspend, - .resume = wm8523_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8523); - -static int wm8523_register(struct wm8523_priv *wm8523, - enum snd_soc_control_type control) +static int wm8523_probe(struct snd_soc_codec *codec) { - int ret; - struct snd_soc_codec *codec = &wm8523->codec; - int i; - - if (wm8523_codec) { - dev_err(codec->dev, "Another WM8523 is registered\n"); - ret = -EINVAL; - goto err; - } - - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, wm8523); - codec->name = "WM8523"; - codec->owner = THIS_MODULE; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm8523_set_bias_level; - codec->dai = &wm8523_dai; - codec->num_dai = 1; - codec->reg_cache_size = WM8523_REGISTER_COUNT; - codec->reg_cache = &wm8523->reg_cache; - codec->volatile_register = wm8523_volatile_register; + struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec); + int ret, i; + codec->hw_write = (hw_write_t)i2c_master_send; wm8523->rate_constraint.list = &wm8523->rate_constraint_list[0]; wm8523->rate_constraint.count = ARRAY_SIZE(wm8523->rate_constraint_list); - memcpy(codec->reg_cache, wm8523_reg, sizeof(wm8523_reg)); - - ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); + ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8523->control_type); if (ret != 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - goto err; + return ret; } for (i = 0; i < ARRAY_SIZE(wm8523->supplies); i++) @@ -520,7 +434,7 @@ static int wm8523_register(struct wm8523_priv *wm8523, wm8523->supplies); if (ret != 0) { dev_err(codec->dev, "Failed to request supplies: %d\n", ret); - goto err; + return ret; } ret = regulator_bulk_enable(ARRAY_SIZE(wm8523->supplies), @@ -555,8 +469,6 @@ static int wm8523_register(struct wm8523_priv *wm8523, goto err_enable; } - wm8523_dai.dev = codec->dev; - /* Change some default settings - latch VU and enable ZC */ wm8523->reg_cache[WM8523_DAC_GAINR] |= WM8523_DACR_VU; wm8523->reg_cache[WM8523_DAC_CTRL3] |= WM8523_ZC; @@ -566,69 +478,67 @@ static int wm8523_register(struct wm8523_priv *wm8523, /* Bias level configuration will have done an extra enable */ regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies); - wm8523_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err_enable; - } - - ret = snd_soc_register_dai(&wm8523_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto err_codec; - } + snd_soc_add_controls(codec, wm8523_snd_controls, + ARRAY_SIZE(wm8523_snd_controls)); + wm8523_add_widgets(codec); return 0; -err_codec: - snd_soc_unregister_codec(codec); err_enable: regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies); err_get: regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies); -err: - kfree(wm8523); + return ret; } -static void wm8523_unregister(struct wm8523_priv *wm8523) +static int wm8523_remove(struct snd_soc_codec *codec) { - wm8523_set_bias_level(&wm8523->codec, SND_SOC_BIAS_OFF); + struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec); + + wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF); regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies); - snd_soc_unregister_dai(&wm8523_dai); - snd_soc_unregister_codec(&wm8523->codec); - kfree(wm8523); - wm8523_codec = NULL; + return 0; } +static struct snd_soc_codec_driver soc_codec_dev_wm8523 = { + .probe = wm8523_probe, + .remove = wm8523_remove, + .suspend = wm8523_suspend, + .resume = wm8523_resume, + .set_bias_level = wm8523_set_bias_level, + .reg_cache_size = WM8523_REGISTER_COUNT, + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8523_reg, + .volatile_register = wm8523_volatile_register, +}; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) static __devinit int wm8523_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm8523_priv *wm8523; - struct snd_soc_codec *codec; + int ret; wm8523 = kzalloc(sizeof(struct wm8523_priv), GFP_KERNEL); if (wm8523 == NULL) return -ENOMEM; - codec = &wm8523->codec; - codec->hw_write = (hw_write_t)i2c_master_send; - i2c_set_clientdata(i2c, wm8523); - codec->control_data = i2c; + wm8523->control_type = SND_SOC_I2C; - codec->dev = &i2c->dev; + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8523, &wm8523_dai, 1); + if (ret < 0) + kfree(wm8523); + return ret; - return wm8523_register(wm8523, SND_SOC_I2C); } static __devexit int wm8523_i2c_remove(struct i2c_client *client) { - struct wm8523_priv *wm8523 = i2c_get_clientdata(client); - wm8523_unregister(wm8523); + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -640,7 +550,7 @@ MODULE_DEVICE_TABLE(i2c, wm8523_i2c_id); static struct i2c_driver wm8523_i2c_driver = { .driver = { - .name = "WM8523", + .name = "wm8523-codec", .owner = THIS_MODULE, }, .probe = wm8523_i2c_probe, |