- struct wm8350 *wm8350 = platform_get_drvdata(pdev);
- struct wm8350_data *priv;
- struct snd_soc_codec *codec;
- int ret, i;
-
- if (wm8350->codec.platform_data == NULL) {
- dev_err(&pdev->dev, "No audio platform data supplied\n");
- return -EINVAL;
- }
-
- priv = kzalloc(sizeof(struct wm8350_data), GFP_KERNEL);
- if (priv == NULL)
- return -ENOMEM;
-
- for (i = 0; i < ARRAY_SIZE(supply_names); i++)
- priv->supplies[i].supply = supply_names[i];
-
- ret = regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
- priv->supplies);
- if (ret != 0)
- goto err_priv;
-
- codec = &priv->codec;
- wm8350->codec.codec = codec;
-
- wm8350_dai.dev = &pdev->dev;
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
- codec->dev = &pdev->dev;
- codec->name = "WM8350";
- codec->owner = THIS_MODULE;
- codec->read = wm8350_codec_read;
- codec->write = wm8350_codec_write;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8350_set_bias_level;
- codec->dai = &wm8350_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = WM8350_MAX_REGISTER;
- snd_soc_codec_set_drvdata(codec, priv);
- codec->control_data = wm8350;
-
- /* Put the codec into reset if it wasn't already */
- wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
-
- INIT_DELAYED_WORK(&codec->delayed_work, wm8350_pga_work);
- ret = snd_soc_register_codec(codec);
- if (ret != 0)
- goto err_supply;
-
- wm8350_codec = codec;
-
- ret = snd_soc_register_dai(&wm8350_dai);
- if (ret != 0)
- goto err_codec;
- return 0;
-
-err_codec:
- snd_soc_unregister_codec(codec);
-err_supply:
- regulator_bulk_free(ARRAY_SIZE(priv->supplies), priv->supplies);
-err_priv:
- kfree(priv);
- wm8350_codec = NULL;
- return ret;