diff options
Diffstat (limited to 'sound/soc/codecs/wm9705.c')
-rw-r--r-- | sound/soc/codecs/wm9705.c | 116 |
1 files changed, 50 insertions, 66 deletions
diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c index 8793341..e4d8f53 100644 --- a/sound/soc/codecs/wm9705.c +++ b/sound/soc/codecs/wm9705.c @@ -248,8 +248,7 @@ static int ac97_prepare(struct snd_pcm_substream *substream, { struct snd_pcm_runtime *runtime = substream->runtime; 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; int reg; u16 vra; @@ -273,9 +272,9 @@ static struct snd_soc_dai_ops wm9705_dai_ops = { .prepare = ac97_prepare, }; -struct snd_soc_dai wm9705_dai[] = { +static struct snd_soc_dai_driver wm9705_dai[] = { { - .name = "AC97 HiFi", + .name = "wm9705-hifi", .ac97_control = 1, .playback = { .stream_name = "HiFi Playback", @@ -294,7 +293,7 @@ struct snd_soc_dai wm9705_dai[] = { .ops = &wm9705_dai_ops, }, { - .name = "AC97 Aux", + .name = "wm9705-aux", .playback = { .stream_name = "Aux Playback", .channels_min = 1, @@ -304,7 +303,6 @@ struct snd_soc_dai wm9705_dai[] = { }, } }; -EXPORT_SYMBOL_GPL(wm9705_dai); static int wm9705_reset(struct snd_soc_codec *codec) { @@ -318,20 +316,15 @@ static int wm9705_reset(struct snd_soc_codec *codec) } #ifdef CONFIG_PM -static int wm9705_soc_suspend(struct platform_device *pdev, pm_message_t msg) +static int wm9705_soc_suspend(struct snd_soc_codec *codec, pm_message_t msg) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - soc_ac97_ops.write(codec->ac97, AC97_POWERDOWN, 0xffff); return 0; } -static int wm9705_soc_resume(struct platform_device *pdev) +static int wm9705_soc_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; int i, ret; u16 *cache = codec->reg_cache; @@ -352,49 +345,18 @@ static int wm9705_soc_resume(struct platform_device *pdev) #define wm9705_soc_resume NULL #endif -static int wm9705_soc_probe(struct platform_device *pdev) +static int wm9705_soc_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; int ret = 0; printk(KERN_INFO "WM9705 SoC Audio Codec\n"); - socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), - GFP_KERNEL); - if (socdev->card->codec == NULL) - return -ENOMEM; - codec = socdev->card->codec; - mutex_init(&codec->mutex); - - codec->reg_cache = kmemdup(wm9705_reg, sizeof(wm9705_reg), GFP_KERNEL); - if (codec->reg_cache == NULL) { - ret = -ENOMEM; - goto cache_err; - } - codec->reg_cache_size = sizeof(wm9705_reg); - codec->reg_cache_step = 2; - - codec->name = "WM9705"; - codec->owner = THIS_MODULE; - codec->dai = wm9705_dai; - codec->num_dai = ARRAY_SIZE(wm9705_dai); - codec->write = ac97_write; - codec->read = ac97_read; - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); if (ret < 0) { printk(KERN_ERR "wm9705: failed to register AC97 codec\n"); - goto codec_err; + return ret; } - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) - goto pcm_err; - ret = wm9705_reset(codec); if (ret) goto reset_err; @@ -406,40 +368,62 @@ static int wm9705_soc_probe(struct platform_device *pdev) return 0; reset_err: - snd_soc_free_pcms(socdev); -pcm_err: snd_soc_free_ac97_codec(codec); -codec_err: - kfree(codec->reg_cache); -cache_err: - kfree(socdev->card->codec); - socdev->card->codec = NULL; return ret; } -static int wm9705_soc_remove(struct platform_device *pdev) +static int wm9705_soc_remove(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - if (codec == NULL) - return 0; - - snd_soc_dapm_free(socdev); - snd_soc_free_pcms(socdev); snd_soc_free_ac97_codec(codec); - kfree(codec->reg_cache); - kfree(codec); return 0; } -struct snd_soc_codec_device soc_codec_dev_wm9705 = { +static struct snd_soc_codec_driver soc_codec_dev_wm9705 = { .probe = wm9705_soc_probe, .remove = wm9705_soc_remove, .suspend = wm9705_soc_suspend, .resume = wm9705_soc_resume, + .read = ac97_read, + .write = ac97_write, + .reg_cache_size = sizeof(wm9705_reg), + .reg_word_size = sizeof(u16), + .reg_cache_step = 2, + .reg_cache_default = wm9705_reg, +}; + +static __devinit int wm9705_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, + &soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai)); +} + +static int __devexit wm9705_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); + return 0; +} + +static struct platform_driver wm9705_codec_driver = { + .driver = { + .name = "wm9705-codec", + .owner = THIS_MODULE, + }, + + .probe = wm9705_probe, + .remove = __devexit_p(wm9705_remove), }; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm9705); + +static int __init wm9705_init(void) +{ + return platform_driver_register(&wm9705_codec_driver); +} +module_init(wm9705_init); + +static void __exit wm9705_exit(void) +{ + platform_driver_unregister(&wm9705_codec_driver); +} +module_exit(wm9705_exit); MODULE_DESCRIPTION("ASoC WM9705 driver"); MODULE_AUTHOR("Ian Molton"); |