[3/7] ASoC: mediatek: mt79xx: add platform driver

Message ID 20230612105250.15441-4-maso.huang@mediatek.com
State New
Headers
Series ASoC: mediatek: Add support for MT79xx SoC |

Commit Message

Maso Huang (黃加竹) June 12, 2023, 10:52 a.m. UTC
  From: Maso Huang <maso.huang@mediatek.com>

Add mt79xx platform driver.

Signed-off-by: Maso Huang <maso.huang@mediatek.com>
---
 sound/soc/mediatek/Kconfig                 |  10 +
 sound/soc/mediatek/Makefile                |   1 +
 sound/soc/mediatek/mt79xx/Makefile         |   9 +
 sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c | 608 +++++++++++++++++++++
 4 files changed, 628 insertions(+)
 create mode 100644 sound/soc/mediatek/mt79xx/Makefile
 create mode 100644 sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
  

Comments

AngeloGioacchino Del Regno June 14, 2023, 7:57 a.m. UTC | #1
Il 12/06/23 12:52, Maso Hunag ha scritto:
> From: Maso Huang <maso.huang@mediatek.com>
> 
> Add mt79xx platform driver.
> 
> Signed-off-by: Maso Huang <maso.huang@mediatek.com>
> ---
>   sound/soc/mediatek/Kconfig                 |  10 +
>   sound/soc/mediatek/Makefile                |   1 +
>   sound/soc/mediatek/mt79xx/Makefile         |   9 +
>   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c | 608 +++++++++++++++++++++
>   4 files changed, 628 insertions(+)
>   create mode 100644 sound/soc/mediatek/mt79xx/Makefile
>   create mode 100644 sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> 

..snip..

> diff --git a/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c b/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> new file mode 100644
> index 000000000000..69c5f3f3f84b
> --- /dev/null
> +++ b/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> @@ -0,0 +1,608 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * MediaTek ALSA SoC AFE platform driver for MT79xx
> + *
> + * Copyright (c) 2021 MediaTek Inc.
> + * Author: Vic Wu <vic.wu@mediatek.com>
> + *         Maso Huang <maso.huang@mediatek.com>
> + */
> +
> +#include <linux/delay.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_address.h>
> +#include <linux/pm_runtime.h>
> +
> +#include "mt79xx-afe-common.h"
> +#include "mt79xx-afe-clk.h"
> +#include "mt79xx-reg.h"
> +#include "../common/mtk-afe-platform-driver.h"
> +#include "../common/mtk-afe-fe-dai.h"
> +
> +enum {
> +	MTK_AFE_RATE_8K = 0,
> +	MTK_AFE_RATE_11K = 1,
> +	MTK_AFE_RATE_12K = 2,
> +	MTK_AFE_RATE_16K = 4,
> +	MTK_AFE_RATE_22K = 5,
> +	MTK_AFE_RATE_24K = 6,
> +	MTK_AFE_RATE_32K = 8,
> +	MTK_AFE_RATE_44K = 9,
> +	MTK_AFE_RATE_48K = 10,
> +	MTK_AFE_RATE_88K = 13,
> +	MTK_AFE_RATE_96K = 14,
> +	MTK_AFE_RATE_176K = 17,
> +	MTK_AFE_RATE_192K = 18,
> +};
> +
> +unsigned int mt79xx_afe_rate_transform(struct device *dev,
> +				       unsigned int rate)
> +{
> +	switch (rate) {
> +	case 8000:
> +		return MTK_AFE_RATE_8K;
> +	case 11025:
> +		return MTK_AFE_RATE_11K;
> +	case 12000:
> +		return MTK_AFE_RATE_12K;
> +	case 16000:
> +		return MTK_AFE_RATE_16K;
> +	case 22050:
> +		return MTK_AFE_RATE_22K;
> +	case 24000:
> +		return MTK_AFE_RATE_24K;
> +	case 32000:
> +		return MTK_AFE_RATE_32K;
> +	case 44100:
> +		return MTK_AFE_RATE_44K;
> +	case 48000:
> +		return MTK_AFE_RATE_48K;
> +	case 88200:
> +		return MTK_AFE_RATE_88K;
> +	case 96000:
> +		return MTK_AFE_RATE_96K;
> +	case 176400:
> +		return MTK_AFE_RATE_176K;
> +	case 192000:
> +		return MTK_AFE_RATE_192K;
> +	default:
> +		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
> +			 __func__, rate, MTK_AFE_RATE_48K);
> +		return MTK_AFE_RATE_48K;
> +	}
> +}
> +
> +static const struct snd_pcm_hardware mt79xx_afe_hardware = {
> +	.info = SNDRV_PCM_INFO_MMAP |
> +		SNDRV_PCM_INFO_INTERLEAVED |
> +		SNDRV_PCM_INFO_MMAP_VALID,
> +	.formats = SNDRV_PCM_FMTBIT_S16_LE |
> +		   SNDRV_PCM_FMTBIT_S24_LE |
> +		   SNDRV_PCM_FMTBIT_S32_LE,
> +	.period_bytes_min = 256,
> +	.period_bytes_max = 4 * 48 * 1024,
> +	.periods_min = 2,
> +	.periods_max = 256,
> +	.buffer_bytes_max = 8 * 48 * 1024,
> +	.fifo_size = 0,
> +};
> +
> +static int mt79xx_memif_fs(struct snd_pcm_substream *substream,
> +			   unsigned int rate)
> +{
> +	struct snd_soc_pcm_runtime *rtd = substream->private_data;
> +	struct snd_soc_component *component =
> +		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);

Fits in one line.

> +	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
> +
> +	return mt79xx_afe_rate_transform(afe->dev, rate);
> +}
> +
> +static int mt79xx_irq_fs(struct snd_pcm_substream *substream,
> +			 unsigned int rate)
> +{
> +	struct snd_soc_pcm_runtime *rtd = substream->private_data;
> +	struct snd_soc_component *component =
> +		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);

Fits in one line.

> +	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
> +
> +	return mt79xx_afe_rate_transform(afe->dev, rate);
> +}
> +

..snip..

> +
> +static irqreturn_t mt79xx_afe_irq_handler(int irq_id, void *dev)
> +{
> +	struct mtk_base_afe *afe = dev;
> +	struct mtk_base_afe_irq *irq;
> +	unsigned int status;
> +	unsigned int status_mcu;
> +	unsigned int mcu_en;

u32 mcu_en, status, status_mcu;
int i, ret;
irqreturn_t irq_ret = IRQ_HANDLED;

> +	int ret;
> +	int i;
> +	irqreturn_t irq_ret = IRQ_HANDLED;



> +
> +	/* get irq that is sent to MCU */
> +	regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
> +
> +	ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
> +	/* only care IRQ which is sent to MCU */
> +	status_mcu = status & mcu_en & AFE_IRQ_STATUS_BITS;
> +
> +	if (ret || status_mcu == 0) {
> +		dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
> +			mcu_en 0x%x\n", __func__, ret, status, mcu_en);
> +
> +		irq_ret = IRQ_NONE;
> +		goto err_irq;
> +	}
> +
> +	for (i = 0; i < MT79XX_MEMIF_NUM; i++) {
> +		struct mtk_base_afe_memif *memif = &afe->memif[i];
> +
> +		if (!memif->substream)
> +			continue;
> +
> +		if (memif->irq_usage < 0)
> +			continue;
> +
> +		irq = &afe->irqs[memif->irq_usage];
> +
> +		if (status_mcu & (1 << irq->irq_data->irq_en_shift))
> +			snd_pcm_period_elapsed(memif->substream);
> +	}
> +
> +err_irq:
> +	/* clear irq */
> +	regmap_write(afe->regmap, AFE_IRQ_MCU_CLR, status_mcu);
> +
> +	return irq_ret;
> +}
> +
> +static int mt79xx_afe_runtime_suspend(struct device *dev)
> +{
> +	struct mtk_base_afe *afe = dev_get_drvdata(dev);
> +	struct mt79xx_afe_private *afe_priv = afe->platform_priv;
> +
> +	if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
> +		goto skip_regmap;
> +
> +	/* disable clk*/
> +	regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0x3fff);
> +	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_APLL2_EN_MASK,
> +			   0);
> +	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
> +			   0);

Each regmap_update_bits() call fits in one line.

> +
> +	/* make sure all irq status are cleared, twice intended */
> +	regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
> +
> +skip_regmap:
> +	return mt79xx_afe_disable_clock(afe);
> +}
> +
> +static int mt79xx_afe_runtime_resume(struct device *dev)
> +{
> +	struct mtk_base_afe *afe = dev_get_drvdata(dev);
> +	struct mt79xx_afe_private *afe_priv = afe->platform_priv;
> +	int ret;
> +
> +	ret = mt79xx_afe_enable_clock(afe);
> +	if (ret)
> +		return ret;
> +
> +	if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
> +		goto skip_regmap;

Just return 0 here instead of jumping.

> +
> +	/* enable clk*/
> +	regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0);
> +	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_APLL2_EN_MASK,
> +			   AUD_APLL2_EN);
> +	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
> +			   AUD_26M_EN);
> +
> +skip_regmap:
> +	return 0;
> +}
> +
> +static int mt79xx_afe_component_probe(struct snd_soc_component *component)
> +{
> +	return mtk_afe_add_sub_dai_control(component);
> +}
> +
> +static const struct snd_soc_component_driver mt79xx_afe_component = {
> +	.name = AFE_PCM_NAME,
> +	.probe = mt79xx_afe_component_probe,
> +	.pointer	= mtk_afe_pcm_pointer,
> +	.pcm_construct	= mtk_afe_pcm_new,
> +};
> +
> +static int mt79xx_dai_memif_register(struct mtk_base_afe *afe)
> +{
> +	struct mtk_base_afe_dai *dai;
> +
> +	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
> +	if (!dai)
> +		return -ENOMEM;
> +
> +	list_add(&dai->list, &afe->sub_dais);
> +
> +	dai->dai_drivers = mt79xx_memif_dai_driver;
> +	dai->num_dai_drivers = ARRAY_SIZE(mt79xx_memif_dai_driver);
> +
> +	dai->dapm_widgets = mt79xx_memif_widgets;
> +	dai->num_dapm_widgets = ARRAY_SIZE(mt79xx_memif_widgets);
> +	dai->dapm_routes = mt79xx_memif_routes;
> +	dai->num_dapm_routes = ARRAY_SIZE(mt79xx_memif_routes);
> +
> +	return 0;
> +}
> +
> +typedef int (*dai_register_cb)(struct mtk_base_afe *);
> +static const dai_register_cb dai_register_cbs[] = {
> +	mt79xx_dai_etdm_register,
> +	mt79xx_dai_memif_register,
> +};
> +
> +static int mt79xx_afe_pcm_dev_probe(struct platform_device *pdev)
> +{
> +	struct mtk_base_afe *afe;
> +	struct mt79xx_afe_private *afe_priv;
> +	struct device *dev;
> +	int i, irq_id, ret;
> +
> +	afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
> +	if (!afe)
> +		return -ENOMEM;
> +	platform_set_drvdata(pdev, afe);
> +
> +	afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
> +					  GFP_KERNEL);
> +	if (!afe->platform_priv)
> +		return -ENOMEM;
> +
> +	afe_priv = afe->platform_priv;
> +	afe->dev = &pdev->dev;
> +	dev = afe->dev;
> +
> +	afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
> +	if (IS_ERR(afe->base_addr))
> +		return PTR_ERR(afe->base_addr);
> +
> +	/* initial audio related clock */
> +	ret = mt79xx_init_clock(afe);
> +	if (ret) {
> +		dev_err(dev, "init clock error\n");
> +		return ret;

return dev_err_probe(dev, ret, "Cannot initialize clocks\n");

> +	}
> +
> +	pm_runtime_enable(dev);

ret = devm_pm_runtime_enable(dev);
if (ret)
	return ret;

> +
> +	/* enable clock for regcache get default value from hw */
> +	afe_priv->pm_runtime_bypass_reg_ctl = true;
> +	pm_runtime_get_sync(&pdev->dev);
> +
> +	afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
> +		      &mt79xx_afe_regmap_config);
> +	if (IS_ERR(afe->regmap)) {
> +		ret = PTR_ERR(afe->regmap);
> +		goto err_pm_disable;
> +	}
> +
> +	pm_runtime_put_sync(&pdev->dev);
> +	afe_priv->pm_runtime_bypass_reg_ctl = false;
> +
> +	/* init memif */
> +	afe->memif_size = MT79XX_MEMIF_NUM;
> +	afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
> +				  GFP_KERNEL);
> +	if (!afe->memif)
> +		goto err_pm_disable;
> +
> +	for (i = 0; i < afe->memif_size; i++) {
> +		afe->memif[i].data = &memif_data[i];
> +		afe->memif[i].irq_usage = -1;
> +	}
> +
> +	mutex_init(&afe->irq_alloc_lock);
> +
> +	/* irq initialize */
> +	afe->irqs_size = MT79XX_IRQ_NUM;
> +	afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
> +				 GFP_KERNEL);
> +	if (!afe->irqs)
> +		goto err_pm_disable;
> +
> +	for (i = 0; i < afe->irqs_size; i++)
> +		afe->irqs[i].irq_data = &irq_data[i];
> +
> +	/* request irq */
> +	irq_id = platform_get_irq(pdev, 0);
> +	if (!irq_id) {
> +		dev_err(dev, "%pOFn no irq found\n", dev->of_node);

You're not setting any `ret` value to return an error: this will return 0!!!


> +		goto err_pm_disable;
> +	}
> +	ret = devm_request_irq(dev, irq_id, mt79xx_afe_irq_handler,
> +			       IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
> +	if (ret) {
> +		dev_err(dev, "could not request_irq for asys-isr\n");
> +		goto err_pm_disable;
> +	}
> +
> +	/* init sub_dais */
> +	INIT_LIST_HEAD(&afe->sub_dais);
> +
> +	for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
> +		ret = dai_register_cbs[i](afe);
> +		if (ret) {
> +			dev_warn(afe->dev, "dai register i %d fail, ret %d\n",
> +				 i, ret);

Please change this dev_warn() to dev_err().

> +			goto err_pm_disable;
> +		}
> +	}
> +
> +	/* init dai_driver and component_driver */
> +	ret = mtk_afe_combine_sub_dai(afe);
> +	if (ret) {
> +		dev_warn(afe->dev, "mtk_afe_combine_sub_dai fail, ret %d\n",
> +			 ret);

dev_err()

> +		goto err_pm_disable;
> +	}
> +
> +	afe->mtk_afe_hardware = &mt79xx_afe_hardware;
> +	afe->memif_fs = mt79xx_memif_fs;
> +	afe->irq_fs = mt79xx_irq_fs;
> +
> +	afe->runtime_resume = mt79xx_afe_runtime_resume;
> +	afe->runtime_suspend = mt79xx_afe_runtime_suspend;
> +
> +	/* register component */
> +	ret = devm_snd_soc_register_component(&pdev->dev,
> +					      &mt79xx_afe_component,
> +					      NULL, 0);
> +	if (ret) {
> +		dev_warn(dev, "err_platform\n");
> +		goto err_pm_disable;
> +	}
> +
> +	ret = devm_snd_soc_register_component(afe->dev,
> +					      &mt79xx_afe_pcm_dai_component,
> +					      afe->dai_drivers,
> +					      afe->num_dai_drivers);
> +	if (ret) {
> +		dev_warn(dev, "err_dai_component\n");
> +		goto err_pm_disable;
> +	}
> +
> +	return ret;
> +
> +err_pm_disable:
> +	pm_runtime_put_sync(&pdev->dev);
> +	pm_runtime_disable(&pdev->dev);
> +	return ret;
> +}
> +
> +static int mt79xx_afe_pcm_dev_remove(struct platform_device *pdev)
> +{
> +	pm_runtime_disable(&pdev->dev);
> +	if (!pm_runtime_status_suspended(&pdev->dev))
> +		mt79xx_afe_runtime_suspend(&pdev->dev);
> +
> +	return 0;
> +}
> +
> +static const struct of_device_id mt79xx_afe_pcm_dt_match[] = {
> +	{ .compatible = "mediatek,mt79xx-afe", },
> +	{},

Last entry is always { /* sentinel */ }

> +};
> +MODULE_DEVICE_TABLE(of, mt79xx_afe_pcm_dt_match);
> +
> +static const struct dev_pm_ops mt79xx_afe_pm_ops = {
> +	SET_RUNTIME_PM_OPS(mt79xx_afe_runtime_suspend,
> +			   mt79xx_afe_runtime_resume, NULL)
> +};
> +
> +static struct platform_driver mt79xx_afe_pcm_driver = {
> +	.driver = {
> +		   .name = "mt79xx-audio",
> +		   .of_match_table = mt79xx_afe_pcm_dt_match,
> +		   .pm = &mt79xx_afe_pm_ops,
> +	},
> +	.probe = mt79xx_afe_pcm_dev_probe,
> +	.remove = mt79xx_afe_pcm_dev_remove,
> +};
> +

Remove this extra blank line.

> +module_platform_driver(mt79xx_afe_pcm_driver);
> +
> +MODULE_DESCRIPTION("Mediatek SoC AFE platform driver for ALSA MT79xx");
> +MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
> +MODULE_LICENSE("GPL");

Thanks,
Angelo
  
Maso Huang (黃加竹) June 14, 2023, 9:06 a.m. UTC | #2
On Wed, 2023-06-14 at 09:57 +0200, AngeloGioacchino Del Regno wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  Il 12/06/23 12:52, Maso Hunag ha scritto:
> > From: Maso Huang <maso.huang@mediatek.com>
> > 
> > Add mt79xx platform driver.
> > 
> > Signed-off-by: Maso Huang <maso.huang@mediatek.com>
> > ---
> >   sound/soc/mediatek/Kconfig                 |  10 +
> >   sound/soc/mediatek/Makefile                |   1 +
> >   sound/soc/mediatek/mt79xx/Makefile         |   9 +
> >   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c | 608
> +++++++++++++++++++++
> >   4 files changed, 628 insertions(+)
> >   create mode 100644 sound/soc/mediatek/mt79xx/Makefile
> >   create mode 100644 sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> > 
> 
> ..snip..
> 
> > diff --git a/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> b/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> > new file mode 100644
> > index 000000000000..69c5f3f3f84b
> > --- /dev/null
> > +++ b/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
> > @@ -0,0 +1,608 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * MediaTek ALSA SoC AFE platform driver for MT79xx
> > + *
> > + * Copyright (c) 2021 MediaTek Inc.
> > + * Author: Vic Wu <vic.wu@mediatek.com>
> > + *         Maso Huang <maso.huang@mediatek.com>
> > + */
> > +
> > +#include <linux/delay.h>
> > +#include <linux/module.h>
> > +#include <linux/of.h>
> > +#include <linux/of_address.h>
> > +#include <linux/pm_runtime.h>
> > +
> > +#include "mt79xx-afe-common.h"
> > +#include "mt79xx-afe-clk.h"
> > +#include "mt79xx-reg.h"
> > +#include "../common/mtk-afe-platform-driver.h"
> > +#include "../common/mtk-afe-fe-dai.h"
> > +
> > +enum {
> > +MTK_AFE_RATE_8K = 0,
> > +MTK_AFE_RATE_11K = 1,
> > +MTK_AFE_RATE_12K = 2,
> > +MTK_AFE_RATE_16K = 4,
> > +MTK_AFE_RATE_22K = 5,
> > +MTK_AFE_RATE_24K = 6,
> > +MTK_AFE_RATE_32K = 8,
> > +MTK_AFE_RATE_44K = 9,
> > +MTK_AFE_RATE_48K = 10,
> > +MTK_AFE_RATE_88K = 13,
> > +MTK_AFE_RATE_96K = 14,
> > +MTK_AFE_RATE_176K = 17,
> > +MTK_AFE_RATE_192K = 18,
> > +};
> > +
> > +unsigned int mt79xx_afe_rate_transform(struct device *dev,
> > +       unsigned int rate)
> > +{
> > +switch (rate) {
> > +case 8000:
> > +return MTK_AFE_RATE_8K;
> > +case 11025:
> > +return MTK_AFE_RATE_11K;
> > +case 12000:
> > +return MTK_AFE_RATE_12K;
> > +case 16000:
> > +return MTK_AFE_RATE_16K;
> > +case 22050:
> > +return MTK_AFE_RATE_22K;
> > +case 24000:
> > +return MTK_AFE_RATE_24K;
> > +case 32000:
> > +return MTK_AFE_RATE_32K;
> > +case 44100:
> > +return MTK_AFE_RATE_44K;
> > +case 48000:
> > +return MTK_AFE_RATE_48K;
> > +case 88200:
> > +return MTK_AFE_RATE_88K;
> > +case 96000:
> > +return MTK_AFE_RATE_96K;
> > +case 176400:
> > +return MTK_AFE_RATE_176K;
> > +case 192000:
> > +return MTK_AFE_RATE_192K;
> > +default:
> > +dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
> > + __func__, rate, MTK_AFE_RATE_48K);
> > +return MTK_AFE_RATE_48K;
> > +}
> > +}
> > +
> > +static const struct snd_pcm_hardware mt79xx_afe_hardware = {
> > +.info = SNDRV_PCM_INFO_MMAP |
> > +SNDRV_PCM_INFO_INTERLEAVED |
> > +SNDRV_PCM_INFO_MMAP_VALID,
> > +.formats = SNDRV_PCM_FMTBIT_S16_LE |
> > +   SNDRV_PCM_FMTBIT_S24_LE |
> > +   SNDRV_PCM_FMTBIT_S32_LE,
> > +.period_bytes_min = 256,
> > +.period_bytes_max = 4 * 48 * 1024,
> > +.periods_min = 2,
> > +.periods_max = 256,
> > +.buffer_bytes_max = 8 * 48 * 1024,
> > +.fifo_size = 0,
> > +};
> > +
> > +static int mt79xx_memif_fs(struct snd_pcm_substream *substream,
> > +   unsigned int rate)
> > +{
> > +struct snd_soc_pcm_runtime *rtd = substream->private_data;
> > +struct snd_soc_component *component =
> > +snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
> 
> Fits in one line.

OK.

> 
> > +struct mtk_base_afe *afe =
> snd_soc_component_get_drvdata(component);
> > +
> > +return mt79xx_afe_rate_transform(afe->dev, rate);
> > +}
> > +
> > +static int mt79xx_irq_fs(struct snd_pcm_substream *substream,
> > + unsigned int rate)
> > +{
> > +struct snd_soc_pcm_runtime *rtd = substream->private_data;
> > +struct snd_soc_component *component =
> > +snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
> 
> Fits in one line.
> 

OK.

> > +struct mtk_base_afe *afe =
> snd_soc_component_get_drvdata(component);
> > +
> > +return mt79xx_afe_rate_transform(afe->dev, rate);
> > +}
> > +
> 
> ..snip..
> 
> > +
> > +static irqreturn_t mt79xx_afe_irq_handler(int irq_id, void *dev)
> > +{
> > +struct mtk_base_afe *afe = dev;
> > +struct mtk_base_afe_irq *irq;
> > +unsigned int status;
> > +unsigned int status_mcu;
> > +unsigned int mcu_en;
> 
> u32 mcu_en, status, status_mcu;
> int i, ret;
> irqreturn_t irq_ret = IRQ_HANDLED;
> 

OK.

> > +int ret;
> > +int i;
> > +irqreturn_t irq_ret = IRQ_HANDLED;
> 
> 
> 
> > +
> > +/* get irq that is sent to MCU */
> > +regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
> > +
> > +ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
> > +/* only care IRQ which is sent to MCU */
> > +status_mcu = status & mcu_en & AFE_IRQ_STATUS_BITS;
> > +
> > +if (ret || status_mcu == 0) {
> > +dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
> > +mcu_en 0x%x\n", __func__, ret, status, mcu_en);
> > +
> > +irq_ret = IRQ_NONE;
> > +goto err_irq;
> > +}
> > +
> > +for (i = 0; i < MT79XX_MEMIF_NUM; i++) {
> > +struct mtk_base_afe_memif *memif = &afe->memif[i];
> > +
> > +if (!memif->substream)
> > +continue;
> > +
> > +if (memif->irq_usage < 0)
> > +continue;
> > +
> > +irq = &afe->irqs[memif->irq_usage];
> > +
> > +if (status_mcu & (1 << irq->irq_data->irq_en_shift))
> > +snd_pcm_period_elapsed(memif->substream);
> > +}
> > +
> > +err_irq:
> > +/* clear irq */
> > +regmap_write(afe->regmap, AFE_IRQ_MCU_CLR, status_mcu);
> > +
> > +return irq_ret;
> > +}
> > +
> > +static int mt79xx_afe_runtime_suspend(struct device *dev)
> > +{
> > +struct mtk_base_afe *afe = dev_get_drvdata(dev);
> > +struct mt79xx_afe_private *afe_priv = afe->platform_priv;
> > +
> > +if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
> > +goto skip_regmap;
> > +
> > +/* disable clk*/
> > +regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0x3fff);
> > +regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0,
> AUD_APLL2_EN_MASK,
> > +   0);
> > +regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
> > +   0);
> 
> Each regmap_update_bits() call fits in one line.
> 

OK.

> > +
> > +/* make sure all irq status are cleared, twice intended */
> > +regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
> > +
> > +skip_regmap:
> > +return mt79xx_afe_disable_clock(afe);
> > +}
> > +
> > +static int mt79xx_afe_runtime_resume(struct device *dev)
> > +{
> > +struct mtk_base_afe *afe = dev_get_drvdata(dev);
> > +struct mt79xx_afe_private *afe_priv = afe->platform_priv;
> > +int ret;
> > +
> > +ret = mt79xx_afe_enable_clock(afe);
> > +if (ret)
> > +return ret;
> > +
> > +if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
> > +goto skip_regmap;
> 
> Just return 0 here instead of jumping.
> 

OK.

> > +
> > +/* enable clk*/
> > +regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0);
> > +regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0,
> AUD_APLL2_EN_MASK,
> > +   AUD_APLL2_EN);
> > +regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
> > +   AUD_26M_EN);
> > +
> > +skip_regmap:
> > +return 0;
> > +}
> > +
> > +static int mt79xx_afe_component_probe(struct snd_soc_component
> *component)
> > +{
> > +return mtk_afe_add_sub_dai_control(component);
> > +}
> > +
> > +static const struct snd_soc_component_driver mt79xx_afe_component
> = {
> > +.name = AFE_PCM_NAME,
> > +.probe = mt79xx_afe_component_probe,
> > +.pointer= mtk_afe_pcm_pointer,
> > +.pcm_construct= mtk_afe_pcm_new,
> > +};
> > +
> > +static int mt79xx_dai_memif_register(struct mtk_base_afe *afe)
> > +{
> > +struct mtk_base_afe_dai *dai;
> > +
> > +dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
> > +if (!dai)
> > +return -ENOMEM;
> > +
> > +list_add(&dai->list, &afe->sub_dais);
> > +
> > +dai->dai_drivers = mt79xx_memif_dai_driver;
> > +dai->num_dai_drivers = ARRAY_SIZE(mt79xx_memif_dai_driver);
> > +
> > +dai->dapm_widgets = mt79xx_memif_widgets;
> > +dai->num_dapm_widgets = ARRAY_SIZE(mt79xx_memif_widgets);
> > +dai->dapm_routes = mt79xx_memif_routes;
> > +dai->num_dapm_routes = ARRAY_SIZE(mt79xx_memif_routes);
> > +
> > +return 0;
> > +}
> > +
> > +typedef int (*dai_register_cb)(struct mtk_base_afe *);
> > +static const dai_register_cb dai_register_cbs[] = {
> > +mt79xx_dai_etdm_register,
> > +mt79xx_dai_memif_register,
> > +};
> > +
> > +static int mt79xx_afe_pcm_dev_probe(struct platform_device *pdev)
> > +{
> > +struct mtk_base_afe *afe;
> > +struct mt79xx_afe_private *afe_priv;
> > +struct device *dev;
> > +int i, irq_id, ret;
> > +
> > +afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
> > +if (!afe)
> > +return -ENOMEM;
> > +platform_set_drvdata(pdev, afe);
> > +
> > +afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
> > +  GFP_KERNEL);
> > +if (!afe->platform_priv)
> > +return -ENOMEM;
> > +
> > +afe_priv = afe->platform_priv;
> > +afe->dev = &pdev->dev;
> > +dev = afe->dev;
> > +
> > +afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
> > +if (IS_ERR(afe->base_addr))
> > +return PTR_ERR(afe->base_addr);
> > +
> > +/* initial audio related clock */
> > +ret = mt79xx_init_clock(afe);
> > +if (ret) {
> > +dev_err(dev, "init clock error\n");
> > +return ret;
> 
> return dev_err_probe(dev, ret, "Cannot initialize clocks\n");
> 

OK.

> > +}
> > +
> > +pm_runtime_enable(dev);
> 
> ret = devm_pm_runtime_enable(dev);
> if (ret)
> return ret;
> 

OK.

> > +
> > +/* enable clock for regcache get default value from hw */
> > +afe_priv->pm_runtime_bypass_reg_ctl = true;
> > +pm_runtime_get_sync(&pdev->dev);
> > +
> > +afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
> > +      &mt79xx_afe_regmap_config);
> > +if (IS_ERR(afe->regmap)) {
> > +ret = PTR_ERR(afe->regmap);
> > +goto err_pm_disable;
> > +}
> > +
> > +pm_runtime_put_sync(&pdev->dev);
> > +afe_priv->pm_runtime_bypass_reg_ctl = false;
> > +
> > +/* init memif */
> > +afe->memif_size = MT79XX_MEMIF_NUM;
> > +afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe-
> >memif),
> > +  GFP_KERNEL);
> > +if (!afe->memif)
> > +goto err_pm_disable;
> > +
> > +for (i = 0; i < afe->memif_size; i++) {
> > +afe->memif[i].data = &memif_data[i];
> > +afe->memif[i].irq_usage = -1;
> > +}
> > +
> > +mutex_init(&afe->irq_alloc_lock);
> > +
> > +/* irq initialize */
> > +afe->irqs_size = MT79XX_IRQ_NUM;
> > +afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
> > + GFP_KERNEL);
> > +if (!afe->irqs)
> > +goto err_pm_disable;
> > +
> > +for (i = 0; i < afe->irqs_size; i++)
> > +afe->irqs[i].irq_data = &irq_data[i];
> > +
> > +/* request irq */
> > +irq_id = platform_get_irq(pdev, 0);
> > +if (!irq_id) {
> > +dev_err(dev, "%pOFn no irq found\n", dev->of_node);
> 
> You're not setting any `ret` value to return an error: this will
> return 0!!!
> 

OK. I'll add missing return value in v2 patch.

> 
> > +goto err_pm_disable;
> > +}
> > +ret = devm_request_irq(dev, irq_id, mt79xx_afe_irq_handler,
> > +       IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
> > +if (ret) {
> > +dev_err(dev, "could not request_irq for asys-isr\n");
> > +goto err_pm_disable;
> > +}
> > +
> > +/* init sub_dais */
> > +INIT_LIST_HEAD(&afe->sub_dais);
> > +
> > +for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
> > +ret = dai_register_cbs[i](afe);
> > +if (ret) {
> > +dev_warn(afe->dev, "dai register i %d fail, ret %d\n",
> > + i, ret);
> 
> Please change this dev_warn() to dev_err().
> 

OK.

> > +goto err_pm_disable;
> > +}
> > +}
> > +
> > +/* init dai_driver and component_driver */
> > +ret = mtk_afe_combine_sub_dai(afe);
> > +if (ret) {
> > +dev_warn(afe->dev, "mtk_afe_combine_sub_dai fail, ret %d\n",
> > + ret);
> 
> dev_err()
> 

OK.

> > +goto err_pm_disable;
> > +}
> > +
> > +afe->mtk_afe_hardware = &mt79xx_afe_hardware;
> > +afe->memif_fs = mt79xx_memif_fs;
> > +afe->irq_fs = mt79xx_irq_fs;
> > +
> > +afe->runtime_resume = mt79xx_afe_runtime_resume;
> > +afe->runtime_suspend = mt79xx_afe_runtime_suspend;
> > +
> > +/* register component */
> > +ret = devm_snd_soc_register_component(&pdev->dev,
> > +      &mt79xx_afe_component,
> > +      NULL, 0);
> > +if (ret) {
> > +dev_warn(dev, "err_platform\n");
> > +goto err_pm_disable;
> > +}
> > +
> > +ret = devm_snd_soc_register_component(afe->dev,
> > +      &mt79xx_afe_pcm_dai_component,
> > +      afe->dai_drivers,
> > +      afe->num_dai_drivers);
> > +if (ret) {
> > +dev_warn(dev, "err_dai_component\n");
> > +goto err_pm_disable;
> > +}
> > +
> > +return ret;
> > +
> > +err_pm_disable:
> > +pm_runtime_put_sync(&pdev->dev);
> > +pm_runtime_disable(&pdev->dev);
> > +return ret;
> > +}
> > +
> > +static int mt79xx_afe_pcm_dev_remove(struct platform_device *pdev)
> > +{
> > +pm_runtime_disable(&pdev->dev);
> > +if (!pm_runtime_status_suspended(&pdev->dev))
> > +mt79xx_afe_runtime_suspend(&pdev->dev);
> > +
> > +return 0;
> > +}
> > +
> > +static const struct of_device_id mt79xx_afe_pcm_dt_match[] = {
> > +{ .compatible = "mediatek,mt79xx-afe", },
> > +{},
> 
> Last entry is always { /* sentinel */ }
> 

OK.

> > +};
> > +MODULE_DEVICE_TABLE(of, mt79xx_afe_pcm_dt_match);
> > +
> > +static const struct dev_pm_ops mt79xx_afe_pm_ops = {
> > +SET_RUNTIME_PM_OPS(mt79xx_afe_runtime_suspend,
> > +   mt79xx_afe_runtime_resume, NULL)
> > +};
> > +
> > +static struct platform_driver mt79xx_afe_pcm_driver = {
> > +.driver = {
> > +   .name = "mt79xx-audio",
> > +   .of_match_table = mt79xx_afe_pcm_dt_match,
> > +   .pm = &mt79xx_afe_pm_ops,
> > +},
> > +.probe = mt79xx_afe_pcm_dev_probe,
> > +.remove = mt79xx_afe_pcm_dev_remove,
> > +};
> > +
> 
> Remove this extra blank line.
> 

OK.

> > +module_platform_driver(mt79xx_afe_pcm_driver);
> > +
> > +MODULE_DESCRIPTION("Mediatek SoC AFE platform driver for ALSA
> MT79xx");
> > +MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
> > +MODULE_LICENSE("GPL");
> 
> Thanks,
> Angelo
> 

Hi Angelo,
I'll fix all of them in v2 patch!

Best regards,
Maso
  
kernel test robot June 14, 2023, 12:21 p.m. UTC | #3
Hi Maso,

kernel test robot noticed the following build errors:

[auto build test ERROR on broonie-sound/for-next]
[also build test ERROR on tiwai-sound/for-next tiwai-sound/for-linus linus/master v6.4-rc6 next-20230614]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Maso-Hunag/ASoC-mediatek-mt79xx-add-common-header/20230612-211033
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/20230612105250.15441-4-maso.huang%40mediatek.com
patch subject: [PATCH 3/7] ASoC: mediatek: mt79xx: add platform driver
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20230614/202306142005.uUyPtOQT-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add broonie-sound https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
        git fetch broonie-sound for-next
        git checkout broonie-sound/for-next
        b4 shazam https://lore.kernel.org/r/20230612105250.15441-4-maso.huang@mediatek.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash sound/soc/mediatek/mt79xx/

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306142005.uUyPtOQT-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c: In function 'mt79xx_afe_irq_handler':
>> sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:35: warning: missing terminating " character
     322 |                 dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
         |                                   ^
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:323:38: warning: missing terminating " character
     323 |                         mcu_en 0x%x\n", __func__, ret, status, mcu_en);
         |                                      ^
>> sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:608:23: error: unterminated argument list invoking macro "dev_err"
     608 | MODULE_LICENSE("GPL");
         |                       ^
>> sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:17: error: 'dev_err' undeclared (first use in this function); did you mean '_dev_err'?
     322 |                 dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
         |                 ^~~~~~~
         |                 _dev_err
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:17: note: each undeclared identifier is reported only once for each function it appears in
>> sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:24: error: expected ';' at end of input
     322 |                 dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
         |                        ^
         |                        ;
   ......
>> sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:17: error: expected declaration or statement at end of input
     322 |                 dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
         |                 ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:17: error: expected declaration or statement at end of input
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:312:21: warning: unused variable 'irq_ret' [-Wunused-variable]
     312 |         irqreturn_t irq_ret = IRQ_HANDLED;
         |                     ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:311:13: warning: unused variable 'i' [-Wunused-variable]
     311 |         int i;
         |             ^
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:306:34: warning: unused variable 'irq' [-Wunused-variable]
     306 |         struct mtk_base_afe_irq *irq;
         |                                  ^~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:322:17: error: no return statement in function returning non-void [-Werror=return-type]
     322 |                 dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
         |                 ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c: At top level:
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:303:20: warning: 'mt79xx_afe_irq_handler' defined but not used [-Wunused-function]
     303 | static irqreturn_t mt79xx_afe_irq_handler(int irq_id, void *dev)
         |                    ^~~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:294:35: warning: 'mt79xx_afe_regmap_config' defined but not used [-Wunused-const-variable=]
     294 | static const struct regmap_config mt79xx_afe_regmap_config = {
         |                                   ^~~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:232:39: warning: 'irq_data' defined but not used [-Wunused-const-variable=]
     232 | static const struct mtk_base_irq_data irq_data[MT79XX_IRQ_NUM] = {
         |                                       ^~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:183:41: warning: 'memif_data' defined but not used [-Wunused-const-variable=]
     183 | static const struct mtk_base_memif_data memif_data[MT79XX_MEMIF_NUM] = {
         |                                         ^~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:179:46: warning: 'mt79xx_afe_pcm_dai_component' defined but not used [-Wunused-const-variable=]
     179 | static const struct snd_soc_component_driver mt79xx_afe_pcm_dai_component = {
         |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:170:40: warning: 'mt79xx_memif_routes' defined but not used [-Wunused-const-variable=]
     170 | static const struct snd_soc_dapm_route mt79xx_memif_routes[] = {
         |                                        ^~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:158:41: warning: 'mt79xx_memif_widgets' defined but not used [-Wunused-const-variable=]
     158 | static const struct snd_soc_dapm_widget mt79xx_memif_widgets[] = {
         |                                         ^~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:122:34: warning: 'mt79xx_memif_dai_driver' defined but not used [-Wunused-variable]
     122 | static struct snd_soc_dai_driver mt79xx_memif_dai_driver[] = {
         |                                  ^~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:101:12: warning: 'mt79xx_irq_fs' defined but not used [-Wunused-function]
     101 | static int mt79xx_irq_fs(struct snd_pcm_substream *substream,
         |            ^~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:90:12: warning: 'mt79xx_memif_fs' defined but not used [-Wunused-function]
      90 | static int mt79xx_memif_fs(struct snd_pcm_substream *substream,
         |            ^~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c:75:38: warning: 'mt79xx_afe_hardware' defined but not used [-Wunused-const-variable=]
      75 | static const struct snd_pcm_hardware mt79xx_afe_hardware = {
         |                                      ^~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c: In function 'mt79xx_init_clock':
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:43: warning: missing terminating " character
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                                           ^
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:42: warning: missing terminating " character
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                          ^
   In file included from include/linux/kernel.h:30,
                    from include/linux/clk.h:13,
                    from sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:10:
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:43: error: missing terminating " character
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:33: error: 'ret' undeclared (first use in this function); did you mean 'net'?
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                 ^~~
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:33: note: each undeclared identifier is reported only once for each function it appears in
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                 ^~~
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:40: error: stray '\' in program
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                        ^
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:38: error: 'ld' undeclared (first use in this function)
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                      ^~
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:41: error: expected ')' before 'n'
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                         ^
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   include/linux/printk.h:379:41: note: to match this '('
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                         ^
   include/linux/printk.h:422:9: note: in expansion of macro '__printk_index_emit'
     422 |         __printk_index_emit(fmt, level, subsys_fmt_prefix)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:42: error: missing terminating " character
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:379:42: note: in definition of macro '__printk_index_emit'
     379 |                 if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
         |                                          ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:43: error: missing terminating " character
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:388:61: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                             ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:40: error: stray '\' in program
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                        ^
   include/linux/printk.h:388:61: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                             ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:41: error: expected ')' before 'n'
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                         ^
   include/linux/printk.h:388:61: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                             ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   include/linux/printk.h:388:60: note: to match this '('
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                            ^
   include/linux/printk.h:422:9: note: in expansion of macro '__printk_index_emit'
     422 |         __printk_index_emit(fmt, level, subsys_fmt_prefix)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:42: error: missing terminating " character
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:388:61: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                             ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:43: error: missing terminating " character
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:388:70: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                                      ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:40: error: stray '\' in program
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                        ^
   include/linux/printk.h:388:70: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                                      ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:41: error: expected ')' before 'n'
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                         ^
   include/linux/printk.h:388:70: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                                      ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   include/linux/printk.h:388:69: note: to match this '('
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                                     ^
   include/linux/printk.h:422:9: note: in expansion of macro '__printk_index_emit'
     422 |         __printk_index_emit(fmt, level, subsys_fmt_prefix)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:42: error: missing terminating " character
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:388:70: note: in definition of macro '__printk_index_emit'
     388 |                                 .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
         |                                                                      ^~~~
   include/linux/dev_printk.h:105:9: note: in expansion of macro 'printk_index_subsys_emit'
     105 |         printk_index_subsys_emit("%s %s: ", level, fmt)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:109:17: note: in expansion of macro 'dev_printk_index_emit'
     109 |                 dev_printk_index_emit(level, fmt);                      \
         |                 ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   In file included from include/linux/device.h:15,
                    from include/linux/platform_device.h:13,
                    from include/sound/soc.h:14,
                    from sound/soc/mediatek/mt79xx/mt79xx-afe-common.h:13,
                    from sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:12:
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:43: error: missing terminating " character
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:40: error: stray '\' in program
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                        ^
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
>> sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:41: error: expected ')' before 'n'
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                         ^
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   include/linux/dev_printk.h:110:24: note: to match this '('
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                        ^
   include/linux/dev_printk.h:144:9: note: in expansion of macro 'dev_printk_index_wrap'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:47:42: error: missing terminating " character
      47 |                                 ret %ld\n", __func__, aud_clks[i],
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c:46:25: note: in expansion of macro 'dev_err'
      46 |                         dev_err(afe->dev, "%s(), devm_clk_get %s fail,
         |                         ^~~~~~~


vim +/dev_err +608 sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c

   605	
   606	MODULE_DESCRIPTION("Mediatek SoC AFE platform driver for ALSA MT79xx");
   607	MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
 > 608	MODULE_LICENSE("GPL");
  

Patch

diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 4baac72677d9..192546078d5e 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -54,6 +54,16 @@  config SND_SOC_MT6797_MT6351
 	  Select Y if you have such device.
 	  If unsure select "N".
 
+config SND_SOC_MT79XX
+	tristate "ASoC support for Mediatek MT79XX chip"
+	depends on ARCH_MEDIATEK
+	select SND_SOC_MEDIATEK
+	help
+	  This adds ASoC platform driver support for MediaTek MT79XX chip
+	  that can be used with other codecs.
+	  Select Y if you have such device.
+	  If unsure select "N".
+
 config SND_SOC_MT8173
 	tristate "ASoC support for Mediatek MT8173 chip"
 	depends on ARCH_MEDIATEK
diff --git a/sound/soc/mediatek/Makefile b/sound/soc/mediatek/Makefile
index 3de38cfc69e5..b2e530629887 100644
--- a/sound/soc/mediatek/Makefile
+++ b/sound/soc/mediatek/Makefile
@@ -2,6 +2,7 @@ 
 obj-$(CONFIG_SND_SOC_MEDIATEK) += common/
 obj-$(CONFIG_SND_SOC_MT2701) += mt2701/
 obj-$(CONFIG_SND_SOC_MT6797) += mt6797/
+obj-$(CONFIG_SND_SOC_MT79XX) += mt79xx/
 obj-$(CONFIG_SND_SOC_MT8173) += mt8173/
 obj-$(CONFIG_SND_SOC_MT8183) += mt8183/
 obj-$(CONFIG_SND_SOC_MT8186) += mt8186/
diff --git a/sound/soc/mediatek/mt79xx/Makefile b/sound/soc/mediatek/mt79xx/Makefile
new file mode 100644
index 000000000000..984b20ae8819
--- /dev/null
+++ b/sound/soc/mediatek/mt79xx/Makefile
@@ -0,0 +1,9 @@ 
+# SPDX-License-Identifier: GPL-2.0
+
+# platform driver
+snd-soc-mt79xx-afe-objs := \
+	mt79xx-afe-pcm.o \
+	mt79xx-afe-clk.o \
+	mt79xx-dai-etdm.o
+
+obj-$(CONFIG_SND_SOC_MT79XX) += snd-soc-mt79xx-afe.o
diff --git a/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c b/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
new file mode 100644
index 000000000000..69c5f3f3f84b
--- /dev/null
+++ b/sound/soc/mediatek/mt79xx/mt79xx-afe-pcm.c
@@ -0,0 +1,608 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC AFE platform driver for MT79xx
+ *
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Vic Wu <vic.wu@mediatek.com>
+ *         Maso Huang <maso.huang@mediatek.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm_runtime.h>
+
+#include "mt79xx-afe-common.h"
+#include "mt79xx-afe-clk.h"
+#include "mt79xx-reg.h"
+#include "../common/mtk-afe-platform-driver.h"
+#include "../common/mtk-afe-fe-dai.h"
+
+enum {
+	MTK_AFE_RATE_8K = 0,
+	MTK_AFE_RATE_11K = 1,
+	MTK_AFE_RATE_12K = 2,
+	MTK_AFE_RATE_16K = 4,
+	MTK_AFE_RATE_22K = 5,
+	MTK_AFE_RATE_24K = 6,
+	MTK_AFE_RATE_32K = 8,
+	MTK_AFE_RATE_44K = 9,
+	MTK_AFE_RATE_48K = 10,
+	MTK_AFE_RATE_88K = 13,
+	MTK_AFE_RATE_96K = 14,
+	MTK_AFE_RATE_176K = 17,
+	MTK_AFE_RATE_192K = 18,
+};
+
+unsigned int mt79xx_afe_rate_transform(struct device *dev,
+				       unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_RATE_8K;
+	case 11025:
+		return MTK_AFE_RATE_11K;
+	case 12000:
+		return MTK_AFE_RATE_12K;
+	case 16000:
+		return MTK_AFE_RATE_16K;
+	case 22050:
+		return MTK_AFE_RATE_22K;
+	case 24000:
+		return MTK_AFE_RATE_24K;
+	case 32000:
+		return MTK_AFE_RATE_32K;
+	case 44100:
+		return MTK_AFE_RATE_44K;
+	case 48000:
+		return MTK_AFE_RATE_48K;
+	case 88200:
+		return MTK_AFE_RATE_88K;
+	case 96000:
+		return MTK_AFE_RATE_96K;
+	case 176400:
+		return MTK_AFE_RATE_176K;
+	case 192000:
+		return MTK_AFE_RATE_192K;
+	default:
+		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+			 __func__, rate, MTK_AFE_RATE_48K);
+		return MTK_AFE_RATE_48K;
+	}
+}
+
+static const struct snd_pcm_hardware mt79xx_afe_hardware = {
+	.info = SNDRV_PCM_INFO_MMAP |
+		SNDRV_PCM_INFO_INTERLEAVED |
+		SNDRV_PCM_INFO_MMAP_VALID,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE |
+		   SNDRV_PCM_FMTBIT_S24_LE |
+		   SNDRV_PCM_FMTBIT_S32_LE,
+	.period_bytes_min = 256,
+	.period_bytes_max = 4 * 48 * 1024,
+	.periods_min = 2,
+	.periods_max = 256,
+	.buffer_bytes_max = 8 * 48 * 1024,
+	.fifo_size = 0,
+};
+
+static int mt79xx_memif_fs(struct snd_pcm_substream *substream,
+			   unsigned int rate)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+
+	return mt79xx_afe_rate_transform(afe->dev, rate);
+}
+
+static int mt79xx_irq_fs(struct snd_pcm_substream *substream,
+			 unsigned int rate)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+
+	return mt79xx_afe_rate_transform(afe->dev, rate);
+}
+
+#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_48000 |\
+		       SNDRV_PCM_RATE_88200 |\
+		       SNDRV_PCM_RATE_96000 |\
+		       SNDRV_PCM_RATE_176400 |\
+		       SNDRV_PCM_RATE_192000)
+
+#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			 SNDRV_PCM_FMTBIT_S24_LE |\
+			 SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mt79xx_memif_dai_driver[] = {
+	/* FE DAIs: memory intefaces to CPU */
+	{
+		.name = "DL1",
+		.id = MT79XX_MEMIF_DL1,
+		.playback = {
+			.stream_name = "DL1",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+	{
+		.name = "UL1",
+		.id = MT79XX_MEMIF_VUL12,
+		.capture = {
+			.stream_name = "UL1",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_PCM_RATES,
+			.formats = MTK_PCM_FORMATS,
+		},
+		.ops = &mtk_afe_fe_ops,
+	},
+};
+
+static const struct snd_kcontrol_new o018_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I150_Switch", AFE_CONN018_4, 22, 1, 0),
+};
+
+static const struct snd_kcontrol_new o019_mix[] = {
+	SOC_DAPM_SINGLE_AUTODISABLE("I151_Switch", AFE_CONN019_4, 23, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mt79xx_memif_widgets[] = {
+	/* DL */
+	SND_SOC_DAPM_MIXER("I032", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("I033", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	/* UL */
+	SND_SOC_DAPM_MIXER("O018", SND_SOC_NOPM, 0, 0,
+			   o018_mix, ARRAY_SIZE(o018_mix)),
+	SND_SOC_DAPM_MIXER("O019", SND_SOC_NOPM, 0, 0,
+			   o019_mix, ARRAY_SIZE(o019_mix)),
+};
+
+static const struct snd_soc_dapm_route mt79xx_memif_routes[] = {
+	{"I032", NULL, "DL1"},
+	{"I033", NULL, "DL1"},
+	{"UL1", NULL, "O018"},
+	{"UL1", NULL, "O019"},
+	{"O018", "I150_Switch", "I150"},
+	{"O019", "I151_Switch", "I151"},
+};
+
+static const struct snd_soc_component_driver mt79xx_afe_pcm_dai_component = {
+	.name = "mt79xx-afe-pcm-dai",
+};
+
+static const struct mtk_base_memif_data memif_data[MT79XX_MEMIF_NUM] = {
+	[MT79XX_MEMIF_DL1] = {
+		.name = "DL1",
+		.id = MT79XX_MEMIF_DL1,
+		.reg_ofs_base = AFE_DL0_BASE,
+		.reg_ofs_cur = AFE_DL0_CUR,
+		.reg_ofs_end = AFE_DL0_END,
+		.reg_ofs_base_msb = AFE_DL0_BASE_MSB,
+		.reg_ofs_cur_msb = AFE_DL0_CUR_MSB,
+		.reg_ofs_end_msb = AFE_DL0_END_MSB,
+		.fs_reg = AFE_DL0_CON0,
+		.fs_shift =  DL0_MODE_SFT,
+		.fs_maskbit =  DL0_MODE_MASK,
+		.mono_reg = AFE_DL0_CON0,
+		.mono_shift = DL0_MONO_SFT,
+		.enable_reg = AFE_DL0_CON0,
+		.enable_shift = DL0_ON_SFT,
+		.hd_reg = AFE_DL0_CON0,
+		.hd_shift = DL0_HD_MODE_SFT,
+		.hd_align_reg = AFE_DL0_CON0,
+		.hd_align_mshift = DL0_HALIGN_SFT,
+		.pbuf_reg = AFE_DL0_CON0,
+		.pbuf_shift = DL0_PBUF_SIZE_SFT,
+		.minlen_reg = AFE_DL0_CON0,
+		.minlen_shift = DL0_MINLEN_SFT,
+	},
+	[MT79XX_MEMIF_VUL12] = {
+		.name = "VUL12",
+		.id = MT79XX_MEMIF_VUL12,
+		.reg_ofs_base = AFE_VUL0_BASE,
+		.reg_ofs_cur = AFE_VUL0_CUR,
+		.reg_ofs_end = AFE_VUL0_END,
+		.reg_ofs_base_msb = AFE_VUL0_BASE_MSB,
+		.reg_ofs_cur_msb = AFE_VUL0_CUR_MSB,
+		.reg_ofs_end_msb = AFE_VUL0_END_MSB,
+		.fs_reg = AFE_VUL0_CON0,
+		.fs_shift = VUL0_MODE_SFT,
+		.fs_maskbit = VUL0_MODE_MASK,
+		.mono_reg = AFE_VUL0_CON0,
+		.mono_shift = VUL0_MONO_SFT,
+		.enable_reg = AFE_VUL0_CON0,
+		.enable_shift = VUL0_ON_SFT,
+		.hd_reg = AFE_VUL0_CON0,
+		.hd_shift = VUL0_HD_MODE_SFT,
+		.hd_align_reg = AFE_VUL0_CON0,
+		.hd_align_mshift = VUL0_HALIGN_SFT,
+	},
+};
+
+static const struct mtk_base_irq_data irq_data[MT79XX_IRQ_NUM] = {
+	[MT79XX_IRQ_0] = {
+		.id = MT79XX_IRQ_0,
+		.irq_cnt_reg = AFE_IRQ0_MCU_CFG1,
+		.irq_cnt_shift = AFE_IRQ_CNT_SHIFT,
+		.irq_cnt_maskbit = AFE_IRQ_CNT_MASK,
+		.irq_fs_reg = AFE_IRQ0_MCU_CFG0,
+		.irq_fs_shift = IRQ_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ0_MCU_CFG0,
+		.irq_en_shift = IRQ_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ0_MCU_CLR_SFT,
+	},
+	[MT79XX_IRQ_1] = {
+		.id = MT79XX_IRQ_1,
+		.irq_cnt_reg = AFE_IRQ1_MCU_CFG1,
+		.irq_cnt_shift = AFE_IRQ_CNT_SHIFT,
+		.irq_cnt_maskbit = AFE_IRQ_CNT_MASK,
+		.irq_fs_reg = AFE_IRQ1_MCU_CFG0,
+		.irq_fs_shift = IRQ_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ1_MCU_CFG0,
+		.irq_en_shift = IRQ_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ1_MCU_CLR_SFT,
+	},
+	[MT79XX_IRQ_2] = {
+		.id = MT79XX_IRQ_2,
+		.irq_cnt_reg = AFE_IRQ2_MCU_CFG1,
+		.irq_cnt_shift = AFE_IRQ_CNT_SHIFT,
+		.irq_cnt_maskbit = AFE_IRQ_CNT_MASK,
+		.irq_fs_reg = AFE_IRQ2_MCU_CFG0,
+		.irq_fs_shift = IRQ_MCU_MODE_SFT,
+		.irq_fs_maskbit = IRQ_MCU_MODE_MASK,
+		.irq_en_reg = AFE_IRQ2_MCU_CFG0,
+		.irq_en_shift = IRQ_MCU_ON_SFT,
+		.irq_clr_reg = AFE_IRQ_MCU_CLR,
+		.irq_clr_shift = IRQ2_MCU_CLR_SFT,
+	},
+};
+
+static bool mt79xx_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+	/* these auto-gen reg has read-only bit, so put it as volatile */
+	/* volatile reg cannot be cached, so cannot be set when power off */
+	switch (reg) {
+	case AFE_DL0_CUR_MSB:
+	case AFE_DL0_CUR:
+	case AFE_DL0_RCH_MON:
+	case AFE_DL0_LCH_MON:
+	case AFE_VUL0_CUR_MSB:
+	case AFE_VUL0_CUR:
+	case AFE_IRQ_MCU_STATUS:
+	case AFE_MEMIF_RD_MON:
+	case AFE_MEMIF_WR_MON:
+		return true;
+	default:
+		return false;
+	};
+}
+
+static const struct regmap_config mt79xx_afe_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.volatile_reg = mt79xx_is_volatile_reg,
+	.max_register = AFE_MAX_REGISTER,
+	.num_reg_defaults_raw = ((AFE_MAX_REGISTER / 4) + 1),
+};
+
+static irqreturn_t mt79xx_afe_irq_handler(int irq_id, void *dev)
+{
+	struct mtk_base_afe *afe = dev;
+	struct mtk_base_afe_irq *irq;
+	unsigned int status;
+	unsigned int status_mcu;
+	unsigned int mcu_en;
+	int ret;
+	int i;
+	irqreturn_t irq_ret = IRQ_HANDLED;
+
+	/* get irq that is sent to MCU */
+	regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
+
+	ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
+	/* only care IRQ which is sent to MCU */
+	status_mcu = status & mcu_en & AFE_IRQ_STATUS_BITS;
+
+	if (ret || status_mcu == 0) {
+		dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x,
+			mcu_en 0x%x\n", __func__, ret, status, mcu_en);
+
+		irq_ret = IRQ_NONE;
+		goto err_irq;
+	}
+
+	for (i = 0; i < MT79XX_MEMIF_NUM; i++) {
+		struct mtk_base_afe_memif *memif = &afe->memif[i];
+
+		if (!memif->substream)
+			continue;
+
+		if (memif->irq_usage < 0)
+			continue;
+
+		irq = &afe->irqs[memif->irq_usage];
+
+		if (status_mcu & (1 << irq->irq_data->irq_en_shift))
+			snd_pcm_period_elapsed(memif->substream);
+	}
+
+err_irq:
+	/* clear irq */
+	regmap_write(afe->regmap, AFE_IRQ_MCU_CLR, status_mcu);
+
+	return irq_ret;
+}
+
+static int mt79xx_afe_runtime_suspend(struct device *dev)
+{
+	struct mtk_base_afe *afe = dev_get_drvdata(dev);
+	struct mt79xx_afe_private *afe_priv = afe->platform_priv;
+
+	if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
+		goto skip_regmap;
+
+	/* disable clk*/
+	regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0x3fff);
+	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_APLL2_EN_MASK,
+			   0);
+	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
+			   0);
+
+	/* make sure all irq status are cleared, twice intended */
+	regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
+
+skip_regmap:
+	return mt79xx_afe_disable_clock(afe);
+}
+
+static int mt79xx_afe_runtime_resume(struct device *dev)
+{
+	struct mtk_base_afe *afe = dev_get_drvdata(dev);
+	struct mt79xx_afe_private *afe_priv = afe->platform_priv;
+	int ret;
+
+	ret = mt79xx_afe_enable_clock(afe);
+	if (ret)
+		return ret;
+
+	if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
+		goto skip_regmap;
+
+	/* enable clk*/
+	regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0);
+	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_APLL2_EN_MASK,
+			   AUD_APLL2_EN);
+	regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
+			   AUD_26M_EN);
+
+skip_regmap:
+	return 0;
+}
+
+static int mt79xx_afe_component_probe(struct snd_soc_component *component)
+{
+	return mtk_afe_add_sub_dai_control(component);
+}
+
+static const struct snd_soc_component_driver mt79xx_afe_component = {
+	.name = AFE_PCM_NAME,
+	.probe = mt79xx_afe_component_probe,
+	.pointer	= mtk_afe_pcm_pointer,
+	.pcm_construct	= mtk_afe_pcm_new,
+};
+
+static int mt79xx_dai_memif_register(struct mtk_base_afe *afe)
+{
+	struct mtk_base_afe_dai *dai;
+
+	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+	if (!dai)
+		return -ENOMEM;
+
+	list_add(&dai->list, &afe->sub_dais);
+
+	dai->dai_drivers = mt79xx_memif_dai_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mt79xx_memif_dai_driver);
+
+	dai->dapm_widgets = mt79xx_memif_widgets;
+	dai->num_dapm_widgets = ARRAY_SIZE(mt79xx_memif_widgets);
+	dai->dapm_routes = mt79xx_memif_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mt79xx_memif_routes);
+
+	return 0;
+}
+
+typedef int (*dai_register_cb)(struct mtk_base_afe *);
+static const dai_register_cb dai_register_cbs[] = {
+	mt79xx_dai_etdm_register,
+	mt79xx_dai_memif_register,
+};
+
+static int mt79xx_afe_pcm_dev_probe(struct platform_device *pdev)
+{
+	struct mtk_base_afe *afe;
+	struct mt79xx_afe_private *afe_priv;
+	struct device *dev;
+	int i, irq_id, ret;
+
+	afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
+	if (!afe)
+		return -ENOMEM;
+	platform_set_drvdata(pdev, afe);
+
+	afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
+					  GFP_KERNEL);
+	if (!afe->platform_priv)
+		return -ENOMEM;
+
+	afe_priv = afe->platform_priv;
+	afe->dev = &pdev->dev;
+	dev = afe->dev;
+
+	afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(afe->base_addr))
+		return PTR_ERR(afe->base_addr);
+
+	/* initial audio related clock */
+	ret = mt79xx_init_clock(afe);
+	if (ret) {
+		dev_err(dev, "init clock error\n");
+		return ret;
+	}
+
+	pm_runtime_enable(dev);
+
+	/* enable clock for regcache get default value from hw */
+	afe_priv->pm_runtime_bypass_reg_ctl = true;
+	pm_runtime_get_sync(&pdev->dev);
+
+	afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
+		      &mt79xx_afe_regmap_config);
+	if (IS_ERR(afe->regmap)) {
+		ret = PTR_ERR(afe->regmap);
+		goto err_pm_disable;
+	}
+
+	pm_runtime_put_sync(&pdev->dev);
+	afe_priv->pm_runtime_bypass_reg_ctl = false;
+
+	/* init memif */
+	afe->memif_size = MT79XX_MEMIF_NUM;
+	afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
+				  GFP_KERNEL);
+	if (!afe->memif)
+		goto err_pm_disable;
+
+	for (i = 0; i < afe->memif_size; i++) {
+		afe->memif[i].data = &memif_data[i];
+		afe->memif[i].irq_usage = -1;
+	}
+
+	mutex_init(&afe->irq_alloc_lock);
+
+	/* irq initialize */
+	afe->irqs_size = MT79XX_IRQ_NUM;
+	afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
+				 GFP_KERNEL);
+	if (!afe->irqs)
+		goto err_pm_disable;
+
+	for (i = 0; i < afe->irqs_size; i++)
+		afe->irqs[i].irq_data = &irq_data[i];
+
+	/* request irq */
+	irq_id = platform_get_irq(pdev, 0);
+	if (!irq_id) {
+		dev_err(dev, "%pOFn no irq found\n", dev->of_node);
+		goto err_pm_disable;
+	}
+	ret = devm_request_irq(dev, irq_id, mt79xx_afe_irq_handler,
+			       IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
+	if (ret) {
+		dev_err(dev, "could not request_irq for asys-isr\n");
+		goto err_pm_disable;
+	}
+
+	/* init sub_dais */
+	INIT_LIST_HEAD(&afe->sub_dais);
+
+	for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
+		ret = dai_register_cbs[i](afe);
+		if (ret) {
+			dev_warn(afe->dev, "dai register i %d fail, ret %d\n",
+				 i, ret);
+			goto err_pm_disable;
+		}
+	}
+
+	/* init dai_driver and component_driver */
+	ret = mtk_afe_combine_sub_dai(afe);
+	if (ret) {
+		dev_warn(afe->dev, "mtk_afe_combine_sub_dai fail, ret %d\n",
+			 ret);
+		goto err_pm_disable;
+	}
+
+	afe->mtk_afe_hardware = &mt79xx_afe_hardware;
+	afe->memif_fs = mt79xx_memif_fs;
+	afe->irq_fs = mt79xx_irq_fs;
+
+	afe->runtime_resume = mt79xx_afe_runtime_resume;
+	afe->runtime_suspend = mt79xx_afe_runtime_suspend;
+
+	/* register component */
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &mt79xx_afe_component,
+					      NULL, 0);
+	if (ret) {
+		dev_warn(dev, "err_platform\n");
+		goto err_pm_disable;
+	}
+
+	ret = devm_snd_soc_register_component(afe->dev,
+					      &mt79xx_afe_pcm_dai_component,
+					      afe->dai_drivers,
+					      afe->num_dai_drivers);
+	if (ret) {
+		dev_warn(dev, "err_dai_component\n");
+		goto err_pm_disable;
+	}
+
+	return ret;
+
+err_pm_disable:
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+	return ret;
+}
+
+static int mt79xx_afe_pcm_dev_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		mt79xx_afe_runtime_suspend(&pdev->dev);
+
+	return 0;
+}
+
+static const struct of_device_id mt79xx_afe_pcm_dt_match[] = {
+	{ .compatible = "mediatek,mt79xx-afe", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, mt79xx_afe_pcm_dt_match);
+
+static const struct dev_pm_ops mt79xx_afe_pm_ops = {
+	SET_RUNTIME_PM_OPS(mt79xx_afe_runtime_suspend,
+			   mt79xx_afe_runtime_resume, NULL)
+};
+
+static struct platform_driver mt79xx_afe_pcm_driver = {
+	.driver = {
+		   .name = "mt79xx-audio",
+		   .of_match_table = mt79xx_afe_pcm_dt_match,
+		   .pm = &mt79xx_afe_pm_ops,
+	},
+	.probe = mt79xx_afe_pcm_dev_probe,
+	.remove = mt79xx_afe_pcm_dev_remove,
+};
+
+module_platform_driver(mt79xx_afe_pcm_driver);
+
+MODULE_DESCRIPTION("Mediatek SoC AFE platform driver for ALSA MT79xx");
+MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
+MODULE_LICENSE("GPL");