Exemple #1
0
static int imx_hdmi_dai_probe(struct platform_device *pdev)
{
	struct imx_hdmi *hdmi_data;
	int ret = 0;

	if (!hdmi_get_registered())
		return -ENOMEM;

	hdmi_data = kzalloc(sizeof(*hdmi_data), GFP_KERNEL);
	if (!hdmi_data)
		return -ENOMEM;

	dev_set_drvdata(&pdev->dev, hdmi_data);
	hdmi_data->pdev = pdev;

	hdmi_data->irq = platform_get_irq(pdev, 0);
	if (hdmi_data->irq <= 0) {
		dev_err(&pdev->dev, "MXC hdmi: invalid irq number (%d)\n",
			hdmi_data->irq);
		goto e_reg_dai;
	}

	ret = snd_soc_register_dai(&pdev->dev, &imx_hdmi_dai);
	if (ret) {
		dev_err(&pdev->dev, "register DAI failed\n");
		goto e_reg_dai;
	}

	hdmi_data->soc_platform_pdev =
		platform_device_alloc("imx-hdmi-soc-audio", 0);

	if (!hdmi_data->soc_platform_pdev) {
		dev_err(&pdev->dev, "failed platform_device_alloc\n");
		goto e_alloc_dai;
	}

	platform_set_drvdata(hdmi_data->soc_platform_pdev, hdmi_data);

	ret = platform_device_add(hdmi_data->soc_platform_pdev);
	if (ret) {
		dev_err(&pdev->dev, "failed to add platform device\n");
		platform_device_put(hdmi_data->soc_platform_pdev);
		goto e_pdev_add;
	}

	return 0;
e_pdev_add:
	platform_device_put(hdmi_data->soc_platform_pdev);
e_alloc_dai:
	snd_soc_unregister_dai(&pdev->dev);
e_reg_dai:
	kfree(hdmi_data);
	return ret;
}
Exemple #2
0
static int mxc_hdmi_codec_soc_probe(struct snd_soc_codec *codec)
{
	struct mxc_hdmi_priv *hdmi_priv;
	int ret = 0;

	if (!hdmi_get_registered())
		return -ENOMEM;

	hdmi_priv = kzalloc(sizeof(struct mxc_hdmi_priv), GFP_KERNEL);
	if (hdmi_priv == NULL)
		return -ENOMEM;

	hdmi_priv->isfr_clk = clk_get(NULL, "hdmi_isfr_clk");
	if (IS_ERR(hdmi_priv->isfr_clk)) {
		ret = PTR_ERR(hdmi_priv->isfr_clk);
		pr_err("%s Unable to get HDMI isfr clk: %d\n", __func__, ret);
		goto e_clk_get1;
	}

	hdmi_priv->iahb_clk = clk_get(NULL, "hdmi_iahb_clk");
	if (IS_ERR(hdmi_priv->iahb_clk)) {
		ret = PTR_ERR(hdmi_priv->iahb_clk);
		pr_err("%s Unable to get HDMI iahb clk: %d\n", __func__, ret);
		goto e_clk_get2;
	}

	ret = snd_soc_add_controls(codec, mxc_hdmi_ctrls,
			     ARRAY_SIZE(mxc_hdmi_ctrls));
	if (ret)
		goto e_add_ctrls;

	snd_soc_codec_set_drvdata(codec, hdmi_priv);

	return 0;

e_add_ctrls:
	clk_put(hdmi_priv->iahb_clk);
e_clk_get2:
	clk_put(hdmi_priv->isfr_clk);
e_clk_get1:
	kfree(hdmi_priv);
	return ret;
}