C++ devm_snd_soc_register_component函数代码示例

static int snd_soc_dummy_probe(struct platform_device *pdev)
{
	int ret;

	ret = devm_snd_soc_register_component(&pdev->dev,
					      &dummy_codec, &dummy_dai, 1);
	if (ret < 0)
		return ret;

	ret = devm_snd_soc_register_component(&pdev->dev, &dummy_platform,
					      NULL, 0);

	return ret;
}

static int wm8524_codec_probe(struct platform_device *pdev)
{
	struct wm8524_priv *wm8524;
	int ret;

	wm8524 = devm_kzalloc(&pdev->dev, sizeof(struct wm8524_priv),
						  GFP_KERNEL);
	if (wm8524 == NULL)
		return -ENOMEM;

	platform_set_drvdata(pdev, wm8524);

	wm8524->mute = devm_gpiod_get(&pdev->dev, "wlf,mute", GPIOD_OUT_LOW);
	if (IS_ERR(wm8524->mute)) {
		ret = PTR_ERR(wm8524->mute);
		dev_err(&pdev->dev, "Failed to get mute line: %d\n", ret);
		return ret;
	}

	ret = devm_snd_soc_register_component(&pdev->dev,
			&soc_component_dev_wm8524, &wm8524_dai, 1);
	if (ret < 0)
		dev_err(&pdev->dev, "Failed to register component: %d\n", ret);

	return ret;
}

static int uda134x_codec_probe(struct platform_device *pdev)
{
	struct uda134x_platform_data *pd = pdev->dev.platform_data;
	struct uda134x_priv *uda134x;
	int ret;

	if (!pd) {
		dev_err(&pdev->dev, "Missing L3 bitbang function\n");
		return -ENODEV;
	}

	uda134x = devm_kzalloc(&pdev->dev, sizeof(*uda134x), GFP_KERNEL);
	if (!uda134x)
		return -ENOMEM;

	uda134x->pd = pd;
	platform_set_drvdata(pdev, uda134x);

	if (pd->l3.use_gpios) {
		ret = l3_set_gpio_ops(&pdev->dev, &uda134x->pd->l3);
		if (ret < 0)
			return ret;
	}

	uda134x->regmap = devm_regmap_init(&pdev->dev, NULL, pd,
		&uda134x_regmap_config);
	if (IS_ERR(uda134x->regmap))
		return PTR_ERR(uda134x->regmap);

	return devm_snd_soc_register_component(&pdev->dev,
			&soc_component_dev_uda134x, &uda134x_dai, 1);
}

int pcm1789_common_init(struct device *dev, struct regmap *regmap)
{
	struct pcm1789_private *pcm1789;

	pcm1789 = devm_kzalloc(dev, sizeof(struct pcm1789_private),
			       GFP_KERNEL);
	if (!pcm1789)
		return -ENOMEM;

	pcm1789->regmap = regmap;
	pcm1789->dev = dev;
	dev_set_drvdata(dev, pcm1789);

	pcm1789->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
	if (IS_ERR(pcm1789->reset))
		return PTR_ERR(pcm1789->reset);

	gpiod_set_value_cansleep(pcm1789->reset, 0);
	msleep(300);

	INIT_WORK(&pcm1789->work, pcm1789_work_queue);

	return devm_snd_soc_register_component(dev, &soc_component_dev_pcm1789,
					       &pcm1789_dai, 1);
}

static int mt6351_codec_driver_probe(struct platform_device *pdev)
{
	struct mt6351_priv *priv;

	priv = devm_kzalloc(&pdev->dev,
			    sizeof(struct mt6351_priv),
			    GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	dev_set_drvdata(&pdev->dev, priv);

	priv->dev = &pdev->dev;

	priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
	if (!priv->regmap)
		return -ENODEV;

	dev_dbg(priv->dev, "%s(), dev name %s\n",
		__func__, dev_name(&pdev->dev));

	return devm_snd_soc_register_component(&pdev->dev,
					       &mt6351_soc_component_driver,
					       mt6351_dai_driver,
					       ARRAY_SIZE(mt6351_dai_driver));
}

static int s3c24xx_iis_dev_probe(struct platform_device *pdev)
{
	struct resource *res;
	int ret;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	s3c24xx_i2s.regs = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(s3c24xx_i2s.regs))
		return PTR_ERR(s3c24xx_i2s.regs);

	s3c24xx_i2s_pcm_stereo_out.addr = res->start + S3C2410_IISFIFO;
	s3c24xx_i2s_pcm_stereo_in.addr = res->start + S3C2410_IISFIFO;

	ret = samsung_asoc_dma_platform_register(&pdev->dev, NULL,
						 NULL, NULL);
	if (ret) {
		dev_err(&pdev->dev, "Failed to register the DMA: %d\n", ret);
		return ret;
	}

	ret = devm_snd_soc_register_component(&pdev->dev,
			&s3c24xx_i2s_component, &s3c24xx_i2s_dai, 1);
	if (ret)
		dev_err(&pdev->dev, "Failed to register the DAI\n");

	return ret;
}

static int sta529_i2c_probe(struct i2c_client *i2c,
			    const struct i2c_device_id *id)
{
	struct sta529 *sta529;
	int ret;

	sta529 = devm_kzalloc(&i2c->dev, sizeof(struct sta529), GFP_KERNEL);
	if (!sta529)
		return -ENOMEM;

	sta529->regmap = devm_regmap_init_i2c(i2c, &sta529_regmap);
	if (IS_ERR(sta529->regmap)) {
		ret = PTR_ERR(sta529->regmap);
		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
		return ret;
	}

	i2c_set_clientdata(i2c, sta529);

	ret = devm_snd_soc_register_component(&i2c->dev,
			&sta529_component_driver, &sta529_dai, 1);
	if (ret != 0)
		dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);

	return ret;
}

static int jz4740_i2s_dev_probe(struct platform_device *pdev)
{
	struct jz4740_i2s *i2s;
	struct resource *mem;
	int ret;

	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
	if (!i2s)
		return -ENOMEM;

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	i2s->base = devm_ioremap_resource(&pdev->dev, mem);
	if (IS_ERR(i2s->base))
		return PTR_ERR(i2s->base);

	i2s->phys_base = mem->start;

	i2s->clk_aic = devm_clk_get(&pdev->dev, "aic");
	if (IS_ERR(i2s->clk_aic))
		return PTR_ERR(i2s->clk_aic);

	i2s->clk_i2s = devm_clk_get(&pdev->dev, "i2s");
	if (IS_ERR(i2s->clk_i2s))
		return PTR_ERR(i2s->clk_i2s);

	platform_set_drvdata(pdev, i2s);

	ret = devm_snd_soc_register_component(&pdev->dev,
		&jz4740_i2s_component, &jz4740_i2s_dai, 1);
	if (ret)
		return ret;

	return devm_snd_dmaengine_pcm_register(&pdev->dev, NULL,
		SND_DMAENGINE_PCM_FLAG_COMPAT);
}

static int ak5558_i2c_probe(struct i2c_client *i2c)
{
	struct ak5558_priv *ak5558;
	int ret = 0;

	ak5558 = devm_kzalloc(&i2c->dev, sizeof(*ak5558), GFP_KERNEL);
	if (!ak5558)
		return -ENOMEM;

	ak5558->regmap = devm_regmap_init_i2c(i2c, &ak5558_regmap);
	if (IS_ERR(ak5558->regmap))
		return PTR_ERR(ak5558->regmap);

	i2c_set_clientdata(i2c, ak5558);
	ak5558->i2c = i2c;

	ak5558->reset_gpiod = devm_gpiod_get_optional(&i2c->dev, "reset",
						      GPIOD_OUT_LOW);
	if (IS_ERR(ak5558->reset_gpiod))
		return PTR_ERR(ak5558->reset_gpiod);

	ret = devm_snd_soc_register_component(&i2c->dev,
				     &soc_codec_dev_ak5558,
				     &ak5558_dai, 1);
	if (ret)
		return ret;

	pm_runtime_enable(&i2c->dev);

	return 0;
}

static int __init mc13783_codec_probe(struct platform_device *pdev)
{
	struct mc13783_priv *priv;
	struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
	struct device_node *np;
	int ret;

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

	if (pdata) {
		priv->adc_ssi_port = pdata->adc_ssi_port;
		priv->dac_ssi_port = pdata->dac_ssi_port;
	} else {
		np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
		if (!np)
			return -ENOSYS;

		ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
		if (ret) {
			of_node_put(np);
			return ret;
		}

		ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
		if (ret) {
			of_node_put(np);
			return ret;
		}

		of_node_put(np);
	}

	dev_set_drvdata(&pdev->dev, priv);
	priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);

	if (priv->adc_ssi_port == priv->dac_ssi_port)
		ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
			mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
	else
		ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
			mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));

	return ret;
}

static int jz4740_i2s_dev_probe(struct platform_device *pdev)
{
	struct jz4740_i2s *i2s;
	struct resource *mem;
	int ret;
	const struct of_device_id *match;

	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
	if (!i2s)
		return -ENOMEM;

	match = of_match_device(jz4740_of_matches, &pdev->dev);
	if (match)
		i2s->version = (enum jz47xx_i2s_version)match->data;

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	i2s->base = devm_ioremap_resource(&pdev->dev, mem);
	if (IS_ERR(i2s->base))
		return PTR_ERR(i2s->base);

	i2s->phys_base = mem->start;

	i2s->clk_aic = devm_clk_get(&pdev->dev, "aic");
	if (IS_ERR(i2s->clk_aic))
		return PTR_ERR(i2s->clk_aic);

	i2s->clk_i2s = devm_clk_get(&pdev->dev, "i2s");
	if (IS_ERR(i2s->clk_i2s))
		return PTR_ERR(i2s->clk_i2s);

	platform_set_drvdata(pdev, i2s);

	if (i2s->version == JZ_I2S_JZ4780)
		ret = devm_snd_soc_register_component(&pdev->dev,
			&jz4740_i2s_component, &jz4780_i2s_dai, 1);
	else
		ret = devm_snd_soc_register_component(&pdev->dev,
			&jz4740_i2s_component, &jz4740_i2s_dai, 1);

	if (ret)
		return ret;

	return devm_snd_dmaengine_pcm_register(&pdev->dev, NULL,
		SND_DMAENGINE_PCM_FLAG_COMPAT);
}

static int asoc_idma_platform_probe(struct platform_device *pdev)
{
	idma_irq = platform_get_irq(pdev, 0);
	if (idma_irq < 0)
		return idma_irq;

	return devm_snd_soc_register_component(&pdev->dev, &asoc_idma_platform,
					       NULL, 0);
}

static int tas5720_probe(struct i2c_client *client,
			 const struct i2c_device_id *id)
{
	struct device *dev = &client->dev;
	struct tas5720_data *data;
	const struct regmap_config *regmap_config;
	int ret;
	int i;

	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->tas5720_client = client;
	data->devtype = id->driver_data;

	switch (id->driver_data) {
	case TAS5720:
		regmap_config = &tas5720_regmap_config;
		break;
	case TAS5722:
		regmap_config = &tas5722_regmap_config;
		break;
	default:
		dev_err(dev, "unexpected private driver data\n");
		return -EINVAL;
	}
	data->regmap = devm_regmap_init_i2c(client, regmap_config);
	if (IS_ERR(data->regmap)) {
		ret = PTR_ERR(data->regmap);
		dev_err(dev, "failed to allocate register map: %d\n", ret);
		return ret;
	}

	for (i = 0; i < ARRAY_SIZE(data->supplies); i++)
		data->supplies[i].supply = tas5720_supply_names[i];

	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->supplies),
				      data->supplies);
	if (ret != 0) {
		dev_err(dev, "failed to request supplies: %d\n", ret);
		return ret;
	}

	dev_set_drvdata(dev, data);

	ret = devm_snd_soc_register_component(&client->dev,
				     &soc_component_dev_tas5720,
				     tas5720_dai, ARRAY_SIZE(tas5720_dai));
	if (ret < 0) {
		dev_err(dev, "failed to register component: %d\n", ret);
		return ret;
	}

	return 0;
}

static int max98373_i2c_probe(struct i2c_client *i2c,
	const struct i2c_device_id *id)
{

	int ret = 0;
	int reg = 0;
	struct max98373_priv *max98373 = NULL;

	max98373 = devm_kzalloc(&i2c->dev, sizeof(*max98373), GFP_KERNEL);

	if (!max98373) {
		ret = -ENOMEM;
		return ret;
	}
	i2c_set_clientdata(i2c, max98373);

	/* update interleave mode info */
	if (device_property_read_bool(&i2c->dev, "maxim,interleave_mode"))
		max98373->interleave_mode = 1;
	else
		max98373->interleave_mode = 0;


	/* regmap initialization */
	max98373->regmap
		= devm_regmap_init_i2c(i2c, &max98373_regmap);
	if (IS_ERR(max98373->regmap)) {
		ret = PTR_ERR(max98373->regmap);
		dev_err(&i2c->dev,
			"Failed to allocate regmap: %d\n", ret);
		return ret;
	}

	/* Check Revision ID */
	ret = regmap_read(max98373->regmap,
		MAX98373_R21FF_REV_ID, &reg);
	if (ret < 0) {
		dev_err(&i2c->dev,
			"Failed to read: 0x%02X\n", MAX98373_R21FF_REV_ID);
		return ret;
	}
	dev_info(&i2c->dev, "MAX98373 revisionID: 0x%02X\n", reg);

	/* voltage/current slot configuration */
	max98373_slot_config(i2c, max98373);

	/* codec registeration */
	ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_max98373,
		max98373_dai, ARRAY_SIZE(max98373_dai));
	if (ret < 0)
		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);

	return ret;
}

static int stm32_sai_sub_probe(struct platform_device *pdev)
{
	struct stm32_sai_sub_data *sai;
	const struct of_device_id *of_id;
	int ret;

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

	of_id = of_match_device(stm32_sai_sub_ids, &pdev->dev);
	if (!of_id)
		return -EINVAL;
	sai->id = (uintptr_t)of_id->data;

	sai->pdev = pdev;
	platform_set_drvdata(pdev, sai);

	sai->pdata = dev_get_drvdata(pdev->dev.parent);
	if (!sai->pdata) {
		dev_err(&pdev->dev, "Parent device data not available\n");
		return -EINVAL;
	}

	ret = stm32_sai_sub_parse_of(pdev, sai);
	if (ret)
		return ret;

	ret = stm32_sai_sub_dais_init(pdev, sai);
	if (ret)
		return ret;

	ret = devm_request_irq(&pdev->dev, sai->pdata->irq, stm32_sai_isr,
			       IRQF_SHARED, dev_name(&pdev->dev), sai);
	if (ret) {
		dev_err(&pdev->dev, "irq request returned %d\n", ret);
		return ret;
	}

	ret = devm_snd_soc_register_component(&pdev->dev, &stm32_component,
					      sai->cpu_dai_drv, 1);
	if (ret)
		return ret;

	ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
					      &stm32_sai_pcm_config, 0);
	if (ret) {
		dev_err(&pdev->dev, "could not register pcm dma\n");
		return ret;
	}

	return 0;
}