X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=sound%2Fsoc%2Fcodecs%2Fwm8400.c;h=850299786e02d0d87f77e673bb093fffb68bcbdc;hb=f0fba2ad1;hp=8f294066b0ed3e4edfc382b992e943a6157e1af2;hpb=3b03117c5cfbb04175b688c79ea4155b8ef812d3;p=mv-sheeva.git diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c index 8f294066b0e..850299786e0 100644 --- a/sound/soc/codecs/wm8400.c +++ b/sound/soc/codecs/wm8400.c @@ -65,7 +65,7 @@ static struct regulator_bulk_data power[] = { /* codec private data */ struct wm8400_priv { - struct snd_soc_codec codec; + struct snd_soc_codec *codec; struct wm8400 *wm8400; u16 fake_register; unsigned int sysclk; @@ -1163,8 +1163,7 @@ static int wm8400_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; u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1); audio1 &= ~WM8400_AIF_WL_MASK; @@ -1332,10 +1331,9 @@ static struct snd_soc_dai_ops wm8400_dai_ops = { * 1. ADC/DAC on Primary Interface * 2. ADC on Primary Interface/DAC on secondary */ -struct snd_soc_dai wm8400_dai = { +static struct snd_soc_dai_driver wm8400_dai = { /* ADC/DAC on primary */ - .name = "WM8400 ADC/DAC Primary", - .id = 1, + .name = "wm8400-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -1352,147 +1350,53 @@ struct snd_soc_dai wm8400_dai = { }, .ops = &wm8400_dai_ops, }; -EXPORT_SYMBOL_GPL(wm8400_dai); -static int wm8400_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8400_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; - wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int wm8400_resume(struct platform_device *pdev) +static int wm8400_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; } -static struct snd_soc_codec *wm8400_codec; - -static int wm8400_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret; - - if (!wm8400_codec) { - dev_err(&pdev->dev, "wm8400 not yet discovered\n"); - return -ENODEV; - } - codec = wm8400_codec; - - socdev->card->codec = codec; - - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - dev_err(&pdev->dev, "failed to create pcms\n"); - goto pcm_err; - } - - wm8400_add_controls(codec); - wm8400_add_widgets(codec); - -pcm_err: - return ret; -} - -/* power down chip */ -static int wm8400_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_wm8400 = { - .probe = wm8400_probe, - .remove = wm8400_remove, - .suspend = wm8400_suspend, - .resume = wm8400_resume, -}; - static void wm8400_probe_deferred(struct work_struct *work) { struct wm8400_priv *priv = container_of(work, struct wm8400_priv, work); - struct snd_soc_codec *codec = &priv->codec; - int ret; + struct snd_soc_codec *codec = priv->codec; /* charge output caps */ wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - - /* We're done, tell the subsystem. */ - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(priv->wm8400->dev, - "Failed to register codec: %d\n", ret); - goto err; - } - - ret = snd_soc_register_dai(&wm8400_dai); - if (ret != 0) { - dev_err(priv->wm8400->dev, - "Failed to register DAI: %d\n", ret); - goto err_codec; - } - - return; - -err_codec: - snd_soc_unregister_codec(codec); -err: - wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF); } -static int wm8400_codec_probe(struct platform_device *dev) +static int wm8400_codec_probe(struct snd_soc_codec *codec) { + struct wm8400 *wm8400 = dev_get_platdata(codec->dev); struct wm8400_priv *priv; int ret; u16 reg; - struct snd_soc_codec *codec; priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL); if (priv == NULL) return -ENOMEM; - codec = &priv->codec; snd_soc_codec_set_drvdata(codec, priv); - codec->control_data = dev_get_drvdata(&dev->dev); - priv->wm8400 = dev_get_drvdata(&dev->dev); + codec->control_data = priv->wm8400 = wm8400; + priv->codec = codec; - ret = regulator_bulk_get(priv->wm8400->dev, + ret = regulator_bulk_get(wm8400->dev, ARRAY_SIZE(power), &power[0]); if (ret != 0) { - dev_err(&dev->dev, "Failed to get regulators: %d\n", ret); + dev_err(codec->dev, "Failed to get regulators: %d\n", ret); goto err; } - codec->dev = &dev->dev; - wm8400_dai.dev = &dev->dev; - - codec->name = "WM8400"; - codec->owner = THIS_MODULE; - codec->read = wm8400_read; - codec->write = wm8400_write; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm8400_set_bias_level; - codec->dai = &wm8400_dai; - codec->num_dai = 1; - codec->reg_cache_size = WM8400_REGISTER_COUNT; - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); INIT_WORK(&priv->work, wm8400_probe_deferred); wm8400_codec_reset(codec); @@ -1511,65 +1415,78 @@ static int wm8400_codec_probe(struct platform_device *dev) wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8)); wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8)); - wm8400_codec = codec; - if (!schedule_work(&priv->work)) { ret = -EINVAL; goto err_regulator; } - + wm8400_add_controls(codec); + wm8400_add_widgets(codec); return 0; err_regulator: - wm8400_codec = NULL; regulator_bulk_free(ARRAY_SIZE(power), power); err: kfree(priv); return ret; } -static int __exit wm8400_codec_remove(struct platform_device *dev) +static int wm8400_codec_remove(struct snd_soc_codec *codec) { - struct wm8400_priv *priv = snd_soc_codec_get_drvdata(wm8400_codec); + struct wm8400_priv *priv = snd_soc_codec_get_drvdata(codec); u16 reg; - snd_soc_unregister_dai(&wm8400_dai); - snd_soc_unregister_codec(wm8400_codec); - - reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1); - wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1, + reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1); + wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg & (~WM8400_CODEC_ENA)); regulator_bulk_free(ARRAY_SIZE(power), power); kfree(priv); - wm8400_codec = NULL; + return 0; +} + +static struct snd_soc_codec_driver soc_codec_dev_wm8400 = { + .probe = wm8400_codec_probe, + .remove = wm8400_codec_remove, + .suspend = wm8400_suspend, + .resume = wm8400_resume, + .read = wm8400_read, + .write = wm8400_write, + .set_bias_level = wm8400_set_bias_level, +}; + +static int __devinit wm8400_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400, + &wm8400_dai, 1); +} +static int __devexit wm8400_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); return 0; } static struct platform_driver wm8400_codec_driver = { .driver = { - .name = "wm8400-codec", - .owner = THIS_MODULE, - }, - .probe = wm8400_codec_probe, - .remove = __exit_p(wm8400_codec_remove), + .name = "wm8400-codec", + .owner = THIS_MODULE, + }, + .probe = wm8400_probe, + .remove = __devexit_p(wm8400_remove), }; -static int __init wm8400_codec_init(void) +static __init int wm8400_init(void) { return platform_driver_register(&wm8400_codec_driver); } -module_init(wm8400_codec_init); +module_init(wm8400_init); -static void __exit wm8400_codec_exit(void) +static __exit void wm8400_exit(void) { platform_driver_unregister(&wm8400_codec_driver); } -module_exit(wm8400_codec_exit); - -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400); +module_exit(wm8400_exit); MODULE_DESCRIPTION("ASoC WM8400 driver"); MODULE_AUTHOR("Mark Brown");