C++ snd_soc_card_set_drvdata函数代码示例

static int __devinit snd_adonisuniv_probe(struct platform_device *pdev)
{
	int ret;
	struct wm5102_machine_priv *wm5102;

	wm5102 = kzalloc(sizeof *wm5102, GFP_KERNEL);
	if (!wm5102) {
		pr_err("Failed to allocate memory\n");
		return -ENOMEM;
	}

	exynos5_audio_set_mclk(1, 0);

	ret = snd_soc_register_dais(&pdev->dev, adonisuniv_ext_dai,
					ARRAY_SIZE(adonisuniv_ext_dai));
	if (ret != 0)
		pr_err("Failed to register external DAIs: %d\n", ret);

	snd_soc_card_set_drvdata(&adonisuniv, wm5102);

	adonisuniv.dev = &pdev->dev;
	ret = snd_soc_register_card(&adonisuniv);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret);
		kfree(wm5102);
	}

	adonisuniv_gpio_init();

	return ret;
}

static int snd_cht_mc_probe(struct platform_device *pdev)
{
    int ret_val = 0;
    bool found = false;
    struct cht_mc_private *drv;

    drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
    if (!drv)
        return -ENOMEM;

    if (ACPI_SUCCESS(acpi_get_devices(
                         "104C227E",
                         snd_acpi_codec_match,
                         &found, NULL)) && found) {
        drv->ts3a227e_present = true;
    } else {
        /* no need probe TI jack detection chip */
        snd_soc_card_cht.aux_dev = NULL;
        snd_soc_card_cht.num_aux_devs = 0;
        drv->ts3a227e_present = false;
    }

    /* register the soc card */
    snd_soc_card_cht.dev = &pdev->dev;
    snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
    ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
    if (ret_val) {
        dev_err(&pdev->dev,
                "snd_soc_register_card failed %d\n", ret_val);
        return ret_val;
    }
    platform_set_drvdata(pdev, &snd_soc_card_cht);
    return ret_val;
}

static int aml_m8_audio_probe(struct platform_device *pdev)
{
    //struct device_node *np = pdev->dev.of_node;
    struct snd_soc_card *card = &aml_snd_soc_card;
    struct aml_audio_private_data *p_aml_audio;
    int ret = 0;

    printk(KERN_DEBUG "enter %s\n", __func__);

#ifdef CONFIG_USE_OF
    p_aml_audio = devm_kzalloc(&pdev->dev,
            sizeof(struct aml_audio_private_data), GFP_KERNEL);
    if (!p_aml_audio) {
        dev_err(&pdev->dev, "Can't allocate aml_audio_private_data\n");
        ret = -ENOMEM;
        goto err;
    }

    card->dev = &pdev->dev;
    platform_set_drvdata(pdev, card);
    snd_soc_card_set_drvdata(card, p_aml_audio);
    if (!(pdev->dev.of_node)) {
        dev_err(&pdev->dev, "Must be instantiated using device tree\n");
        ret = -EINVAL;
        goto err;
    }

    ret = snd_soc_of_parse_card_name(card, "aml,sound_card");
    if (ret)
        goto err;

    ret = of_property_read_string_index(pdev->dev.of_node, "aml,codec_dai",
            0, &aml_codec_dai_link[0].codec_dai_name);
    if (ret)
        goto err;

    ret = snd_soc_of_parse_audio_routing(card, "aml,audio-routing");
    if (ret)
      goto err;

//  aml_codec_dai_link[0].codec_of_node = of_parse_phandle(
//          pdev->dev.of_node, "aml,audio-codec", 0);

    ret = snd_soc_register_card(card);
    if (ret) {
        dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
            ret);
        goto err;
    }

    aml_m8_pinmux_init(card);


    return 0;
#endif

err:
    kfree(p_aml_audio);
    return ret;
}

static __devinit int omap_abe_probe(struct platform_device *pdev)
{
	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
	struct snd_soc_card *card = &omap_abe_card;
	struct omap_abe_data *card_data;
	int ret;

	card->dev = &pdev->dev;

	if (!pdata) {
		dev_err(&pdev->dev, "Missing pdata\n");
		return -ENODEV;
	}

	if (pdata->card_name) {
		card->name = pdata->card_name;
	} else {
		dev_err(&pdev->dev, "Card name is not provided\n");
		return -ENODEV;
	}

	if (!pdata->mclk_freq) {
		dev_err(&pdev->dev, "MCLK frequency missing\n");
		return -ENODEV;
	}

	if (pdata->has_abe) {
		if (pdata->has_dmic) {
			card->dai_link = omap_abe_dai_link;
			card->num_links = ARRAY_SIZE(omap_abe_dai_link);
		} else {
			card->dai_link = omap_abe_no_dmic_dai;
			card->num_links = ARRAY_SIZE(omap_abe_no_dmic_dai);
		}
	} else if (pdata->has_dmic) {
		card->dai_link = twl6040_dmic_dai;
		card->num_links = ARRAY_SIZE(twl6040_dmic_dai);
	} else {
		card->dai_link = twl6040_only_dai;
		card->num_links = ARRAY_SIZE(twl6040_only_dai);
	}

	card_data = devm_kzalloc(&pdev->dev, sizeof(*card_data), GFP_KERNEL);
	if (card_data == NULL)
		return -ENOMEM;
	snd_soc_card_set_drvdata(card, card_data);

	ret = snd_soc_register_card(card);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);

	card_data->av_switch_reg = regulator_get(&pdev->dev, "av-switch");
	if (IS_ERR(card_data->av_switch_reg)) {
		dev_warn(&pdev->dev, "couldn't get AV Switch regulator\n");
		card_data->av_switch_reg = NULL;
	}

	return ret;
}

static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_tegra_wm8903;
	struct tegra_wm8903 *machine;
	struct tegra_wm8903_platform_data *pdata;
	int ret;

	pdata = pdev->dev.platform_data;
	if (!pdata) {
		dev_err(&pdev->dev, "No platform data supplied\n");
		return -EINVAL;
	}

	machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL);
	if (!machine) {
		dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n");
		return -ENOMEM;
	}

	machine->pdata = pdata;

	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
	if (ret)
		goto err_free_machine;

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);

	if (machine_is_harmony() || machine_is_ventana()) {
		card->dapm_routes = harmony_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map);
	} else if (machine_is_seaboard()) {
		card->dapm_routes = seaboard_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map);
	} else if (machine_is_kaen()) {
		card->dapm_routes = kaen_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map);
	} else {
		card->dapm_routes = aebl_audio_map;
		card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map);
	}

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
			ret);
		goto err_fini_utils;
	}

	return 0;

err_fini_utils:
	tegra_asoc_utils_fini(&machine->util_data);
err_free_machine:
	kfree(machine);
	return ret;
}

static __devinit int tegra_max98095_driver_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_tegra_max98095;
	struct tegra_max98095 *machine;
	struct tegra_asoc_platform_data *pdata;
	int ret;

	pdata = pdev->dev.platform_data;
	if (!pdata) {
		dev_err(&pdev->dev, "No platform data supplied\n");
		return -EINVAL;
	}

	machine = kzalloc(sizeof(struct tegra_max98095), GFP_KERNEL);
	if (!machine) {
		dev_err(&pdev->dev, "Can't allocate tegra_max98095 struct\n");
		return -ENOMEM;
	}

	machine->pdata = pdata;

	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
	if (ret)
		goto err_free_machine;

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);

#ifdef CONFIG_SWITCH
	/* Add h2w switch class support */
	ret = switch_dev_register(&wired_switch_dev);
	if (ret < 0) {
		dev_err(&pdev->dev, "not able to register switch device\n");
		goto err_fini_utils;
	}
#endif

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
			ret);
		goto err_switch_unregister;
	}

	return 0;

err_switch_unregister:
#ifdef CONFIG_SWITCH
	switch_dev_unregister(&wired_switch_dev);
#endif
err_fini_utils:
	tegra_asoc_utils_fini(&machine->util_data);
err_free_machine:
	kfree(machine);
	return ret;
}

static int tegra_snd_trimslice_probe(struct platform_device *pdev)
{
	struct device_node *np = pdev->dev.of_node;
	struct snd_soc_card *card = &snd_soc_trimslice;
	struct tegra_trimslice *trimslice;
	int ret;

	trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice),
				 GFP_KERNEL);
	if (!trimslice) {
		dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n");
		return -ENOMEM;
	}

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, trimslice);

	trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(np,
			"nvidia,audio-codec", 0);
	if (!trimslice_tlv320aic23_dai.codec_of_node) {
		dev_err(&pdev->dev,
			"Property 'nvidia,audio-codec' missing or invalid\n");
		ret = -EINVAL;
		goto err;
	}

	trimslice_tlv320aic23_dai.cpu_of_node = of_parse_phandle(np,
			"nvidia,i2s-controller", 0);
	if (!trimslice_tlv320aic23_dai.cpu_of_node) {
		dev_err(&pdev->dev,
			"Property 'nvidia,i2s-controller' missing or invalid\n");
		ret = -EINVAL;
		goto err;
	}

	trimslice_tlv320aic23_dai.platform_of_node =
			trimslice_tlv320aic23_dai.cpu_of_node;

	ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
	if (ret)
		goto err;

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
			ret);
		goto err_fini_utils;
	}

	return 0;

err_fini_utils:
	tegra_asoc_utils_fini(&trimslice->util_data);
err:
	return ret;
}

static int snd_cht_mc_probe(struct platform_device *pdev)
{
	const struct dmi_system_id *dmi_id;
	struct device *dev = &pdev->dev;
	int ret_val = 0;
	struct cht_mc_private *drv;
	const char *mclk_name;
	int quirks = 0;

	dmi_id = dmi_first_match(cht_max98090_quirk_table);
	if (dmi_id)
		quirks = (unsigned long)dmi_id->driver_data;

	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
	if (!drv)
		return -ENOMEM;

	drv->ts3a227e_present = acpi_dev_found("104C227E");
	if (!drv->ts3a227e_present) {
		/* no need probe TI jack detection chip */
		snd_soc_card_cht.aux_dev = NULL;
		snd_soc_card_cht.num_aux_devs = 0;

		ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
							 acpi_max98090_gpios);
		if (ret_val)
			dev_dbg(dev, "Unable to add GPIO mapping table\n");
	}

	/* register the soc card */
	snd_soc_card_cht.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);

	if (quirks & QUIRK_PMC_PLT_CLK_0)
		mclk_name = "pmc_plt_clk_0";
	else
		mclk_name = "pmc_plt_clk_3";

	drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
	if (IS_ERR(drv->mclk)) {
		dev_err(&pdev->dev,
			"Failed to get MCLK from %s: %ld\n",
			mclk_name, PTR_ERR(drv->mclk));
		return PTR_ERR(drv->mclk);
	}

	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	if (ret_val) {
		dev_err(&pdev->dev,
			"snd_soc_register_card failed %d\n", ret_val);
		return ret_val;
	}
	platform_set_drvdata(pdev, &snd_soc_card_cht);
	return ret_val;
}

/* SoC card */
static int snd_ctp_mc_probe(struct platform_device *pdev)
{
	int ret_val = 0;
	struct ctp_mc_private *ctx;
	struct ctp_audio_platform_data *pdata = pdev->dev.platform_data;

	pr_debug("In %s\n", __func__);
	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
	if (!ctx) {
		pr_err("allocation failed\n");
		return -ENOMEM;
	}
	/* register the soc card */
	snd_soc_card_ctp.dev = &pdev->dev;

	ctx->ops = (struct snd_soc_machine_ops *)platform_get_device_id(pdev)->driver_data;
	if (ctx->ops == NULL)
		return -EINVAL;

	ctx->ops->card_name(&snd_soc_card_ctp);
	ctx->ops->dai_link(&snd_soc_card_ctp);
	if (ctx->ops->dmic3_support) {
		ret_val = gpio_request(pdata->codec_gpio_dmic, "dmic_switch_gpio");
		if (!ret_val) {
			ctx->dmic_gpio = pdata->codec_gpio_dmic;
		} else {
			pr_err("req dmic_switch_gpio failed:%d\n", ret_val);
			return ret_val;
		}
	}
	ret_val = snd_ctp_register_jack_data(pdev, ctx);
	if (ret_val)
		goto free_jack;

	snd_soc_card_set_drvdata(&snd_soc_card_ctp, ctx);
	ret_val = snd_soc_register_card(&snd_soc_card_ctp);
	if (ret_val) {
		pr_err("snd_soc_register_card failed %d\n", ret_val);
		goto free_jack;
	}

	if (!snd_soc_card_ctp.instantiated) {
		pr_err("snd_soc_card_ctp is not instantiated.\n");
		ret_val = -ENODEV;
		goto free_jack;
	}

	platform_set_drvdata(pdev, &snd_soc_card_ctp);
	pr_debug("successfully exited probe\n");
	return ret_val;
free_jack:
	snd_ctp_unregister_jack(ctx, pdev);
	return ret_val;
}

static int snd_ctp_mc_remove(struct platform_device *pdev)
{
	struct snd_soc_card *soc_card = platform_get_drvdata(pdev);
	struct ctp_mc_private *ctx = snd_soc_card_get_drvdata(soc_card);

	pr_debug("In %s\n", __func__);
	snd_ctp_unregister_jack(ctx, pdev);
	snd_soc_card_set_drvdata(soc_card, NULL);
	snd_soc_unregister_card(soc_card);
	platform_set_drvdata(pdev, NULL);
	return 0;
}

static int sirf_audio_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_sirf_audio_card;
	struct sirf_audio_card *sirf_audio_card;
	int ret;

	sirf_audio_card = devm_kzalloc(&pdev->dev, sizeof(struct sirf_audio_card),
			GFP_KERNEL);
	if (sirf_audio_card == NULL)
		return -ENOMEM;

	sirf_audio_dai_link[0].cpu_of_node =
		of_parse_phandle(pdev->dev.of_node, "sirf,audio-platform", 0);
	sirf_audio_dai_link[0].platform_of_node =
		of_parse_phandle(pdev->dev.of_node, "sirf,audio-platform", 0);
	sirf_audio_dai_link[0].codec_of_node =
		of_parse_phandle(pdev->dev.of_node, "sirf,audio-codec", 0);
	sirf_audio_card->gpio_spk_pa = of_get_named_gpio(pdev->dev.of_node,
			"spk-pa-gpios", 0);
	sirf_audio_card->gpio_hp_pa =  of_get_named_gpio(pdev->dev.of_node,
			"hp-pa-gpios", 0);
	if (gpio_is_valid(sirf_audio_card->gpio_spk_pa)) {
		ret = devm_gpio_request_one(&pdev->dev,
				sirf_audio_card->gpio_spk_pa,
				GPIOF_OUT_INIT_LOW, "SPA_PA_SD");
		if (ret) {
			dev_err(&pdev->dev,
				"Failed to request GPIO_%d for reset: %d\n",
				sirf_audio_card->gpio_spk_pa, ret);
			return ret;
		}
	}
	if (gpio_is_valid(sirf_audio_card->gpio_hp_pa)) {
		ret = devm_gpio_request_one(&pdev->dev,
				sirf_audio_card->gpio_hp_pa,
				GPIOF_OUT_INIT_LOW, "HP_PA_SD");
		if (ret) {
			dev_err(&pdev->dev,
				"Failed to request GPIO_%d for reset: %d\n",
				sirf_audio_card->gpio_hp_pa, ret);
			return ret;
		}
	}

	card->dev = &pdev->dev;
	snd_soc_card_set_drvdata(card, sirf_audio_card);

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed:%d\n", ret);

	return ret;
}

static __devinit int omap_abe_probe(struct platform_device *pdev)
{
	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
	struct snd_soc_card *card = &omap_abe_card;
	struct abe_twl6040 *priv;
	int num_links = 0;
	int ret;

	card->dev = &pdev->dev;

	if (!pdata) {
		dev_err(&pdev->dev, "Missing pdata\n");
		return -ENODEV;
	}

	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	if (priv == NULL)
		return -ENOMEM;

	if (pdata->card_name) {
		card->name = pdata->card_name;
	} else {
		dev_err(&pdev->dev, "Card name is not provided\n");
		return -ENODEV;
	}

	priv->jack_detection = pdata->jack_detection;
	priv->mclk_freq = pdata->mclk_freq;


	if (!priv->mclk_freq) {
		dev_err(&pdev->dev, "MCLK frequency missing\n");
		return -ENODEV;
	}

	if (pdata->has_dmic)
		num_links = 2;
	else
		num_links = 1;

	card->dai_link = abe_twl6040_dai_links;
	card->num_links = num_links;

	snd_soc_card_set_drvdata(card, priv);

	ret = snd_soc_register_card(card);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);

	return ret;
}

void mop500_ab8500_remove(struct snd_soc_card *card)
{
	struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card);

	if (drvdata->clk_ptr_sysclk != NULL)
		clk_put(drvdata->clk_ptr_sysclk);
	if (drvdata->clk_ptr_ulpclk != NULL)
		clk_put(drvdata->clk_ptr_ulpclk);
	if (drvdata->clk_ptr_intclk != NULL)
		clk_put(drvdata->clk_ptr_intclk);

	snd_soc_card_set_drvdata(card, drvdata);
}

static __devinit int tegra_aic3008_driver_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_tegra_aic3008;
	struct tegra_aic3008 *machine;
	struct htc_asoc_platform_data *pdata;
	int ret;

	AUD_INFO("starting tegra_aic3008_driver_probe...\n");

	pdata = pdev->dev.platform_data;
	if (!pdata) {
		dev_err(&pdev->dev, "No platform data supplied\n");
		return -EINVAL;
	}
	AUD_INFO("starting tegra_aic3008_driver_probe...%p %p\n", &pdata->aic3008_power, &aic3008_power_ctl);
	aic3008_power_ctl = &pdata->aic3008_power;

	machine = kzalloc(sizeof(struct tegra_aic3008), GFP_KERNEL);
	if (!machine) {
		AUD_ERR("Can't allocate tegra_aic3008 struct\n");
		return -ENOMEM;
	}

	machine->pdata = pdata;

	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev, card);
	util_data = &machine->util_data;
	if (ret)
		goto err_free_machine;
	AUD_DBG("DONE tegra_asoc_utils_init()\n");

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);

	ret = snd_soc_register_card(card);
	if (ret) {
		AUD_ERR("snd_soc_register_card failed %d\n",ret);
		goto err_unregister_switch;
	}
	AUD_DBG("DONE snd_soc_register_card()\n");

	return 0;

err_unregister_switch:

	tegra_asoc_utils_fini(&machine->util_data);
err_free_machine:
	kfree(machine);
	return ret;
}

static int sdm845_snd_platform_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card;
	struct sdm845_snd_data *data;
	struct device *dev = &pdev->dev;
	int ret;

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

	/* Allocate the private data */
	data = kzalloc(sizeof(*data), GFP_KERNEL);
	if (!data) {
		ret = -ENOMEM;
		goto data_alloc_fail;
	}

	card->dapm_widgets = sdm845_snd_widgets;
	card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
	card->dev = dev;
	dev_set_drvdata(dev, card);
	ret = qcom_snd_parse_of(card);
	if (ret) {
		dev_err(dev, "Error parsing OF data\n");
		goto parse_dt_fail;
	}

	data->card = card;
	snd_soc_card_set_drvdata(card, data);

	sdm845_add_ops(card);
	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(dev, "Sound card registration failed\n");
		goto register_card_fail;
	}
	return ret;

register_card_fail:
	kfree(card->dai_link);
parse_dt_fail:
	kfree(data);
data_alloc_fail:
	kfree(card);
	return ret;
}