path: root/sound/soc/intel/boards/kbl_rt5663_max98927.c

/*
 * Intel Kabylake I2S Machine Driver with MAXIM98927
 * and RT5663 Codecs
 *
 * Copyright (C) 2017, Intel Corporation. All rights reserved.
 *
 * Modified from:
 *   Intel Skylake I2S Machine driver
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../../codecs/rt5663.h"
#include "../../codecs/hdac_hdmi.h"
#include "../skylake/skl.h"

#define KBL_REALTEK_CODEC_DAI "rt5663-aif"
#define KBL_MAXIM_CODEC_DAI "max98927-aif1"
#define DMIC_CH(p) p->list[p->count-1]
#define MAXIM_DEV0_NAME "i2c-MX98927:00"
#define MAXIM_DEV1_NAME "i2c-MX98927:01"

static struct snd_soc_card kabylake_audio_card;
static const struct snd_pcm_hw_constraint_list *dmic_constraints;
static struct snd_soc_jack skylake_hdmi[3];

struct kbl_hdmi_pcm {
	struct list_head head;
	struct snd_soc_dai *codec_dai;
	int device;
};

struct kbl_rt5663_private {
	struct snd_soc_jack kabylake_headset;
	struct list_head hdmi_pcm_list;
};

enum {
	KBL_DPCM_AUDIO_PB = 0,
	KBL_DPCM_AUDIO_CP,
	KBL_DPCM_AUDIO_REF_CP,
	KBL_DPCM_AUDIO_DMIC_CP,
	KBL_DPCM_AUDIO_HDMI1_PB,
	KBL_DPCM_AUDIO_HDMI2_PB,
	KBL_DPCM_AUDIO_HDMI3_PB,
};

static const struct snd_kcontrol_new kabylake_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Left Spk"),
	SOC_DAPM_PIN_SWITCH("Right Spk"),
};

static const struct snd_soc_dapm_widget kabylake_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_SPK("Left Spk", NULL),
	SND_SOC_DAPM_SPK("Right Spk", NULL),
	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
	SND_SOC_DAPM_SPK("DP", NULL),
	SND_SOC_DAPM_SPK("HDMI", NULL),

};

static const struct snd_soc_dapm_route kabylake_map[] = {
	/* HP jack connectors - unknown if we have jack detection */
	{ "Headphone Jack", NULL, "HPOL" },
	{ "Headphone Jack", NULL, "HPOR" },

	/* speaker */
	{ "Left Spk", NULL, "Left BE_OUT" },
	{ "Right Spk", NULL, "Right BE_OUT" },

	/* other jacks */
	{ "IN1P", NULL, "Headset Mic" },
	{ "IN1N", NULL, "Headset Mic" },
	{ "DMic", NULL, "SoC DMIC" },

	{ "HDMI", NULL, "hif5 Output" },
	{ "DP", NULL, "hif6 Output" },

	/* CODEC BE connections */
	{ "Left HiFi Playback", NULL, "ssp0 Tx" },
	{ "Right HiFi Playback", NULL, "ssp0 Tx" },
	{ "ssp0 Tx", NULL, "codec0_out" },

	{ "AIF Playback", NULL, "ssp1 Tx" },
	{ "ssp1 Tx", NULL, "codec1_out" },

	{ "codec0_in", NULL, "ssp1 Rx" },
	{ "ssp1 Rx", NULL, "AIF Capture" },

	/* DMIC */
	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
	{ "DMIC01 Rx", NULL, "DMIC AIF" },

	{ "hifi3", NULL, "iDisp3 Tx"},
	{ "iDisp3 Tx", NULL, "iDisp3_out"},
	{ "hifi2", NULL, "iDisp2 Tx"},
	{ "iDisp2 Tx", NULL, "iDisp2_out"},
	{ "hifi1", NULL, "iDisp1 Tx"},
	{ "iDisp1 Tx", NULL, "iDisp1_out"},
};

static struct snd_soc_codec_conf max98927_codec_conf[] = {
	{
		.dev_name = MAXIM_DEV0_NAME,
		.name_prefix = "Right",
	},
	{
		.dev_name = MAXIM_DEV1_NAME,
		.name_prefix = "Left",
	},
};

static struct snd_soc_dai_link_component max98927_codec_components[] = {
	{ /* Left */
		.name = MAXIM_DEV0_NAME,
		.dai_name = KBL_MAXIM_CODEC_DAI,
	},
	{ /* Right */
		.name = MAXIM_DEV1_NAME,
		.dai_name = KBL_MAXIM_CODEC_DAI,
	},
};

static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
{
	int ret;
	struct snd_soc_dapm_context *dapm;
	struct snd_soc_component *component = rtd->cpu_dai->component;

	dapm = snd_soc_component_get_dapm(component);
	ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
	if (ret) {
		dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
		return ret;
	}

	return ret;
}

static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
{
	int ret;
	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_codec *codec = rtd->codec;

	/*
	 * Headset buttons map to the google Reference headset.
	 * These can be configured by userspace.
	 */
	ret = snd_soc_card_jack_new(&kabylake_audio_card, "Headset Jack",
			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
			SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset,
			NULL, 0);
	if (ret) {
		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
		return ret;
	}

	rt5663_set_jack_detect(codec, &ctx->kabylake_headset);
	ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
	if (ret) {
		dev_err(rtd->dev, "SoC DMIC ignore suspend failed %d\n", ret);
		return ret;
	}

	return ret;
}

static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
{
	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = rtd->codec_dai;
	struct kbl_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
		return -ENOMEM;

	pcm->device = KBL_DPCM_AUDIO_HDMI1_PB;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
}

static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
{
	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = rtd->codec_dai;
	struct kbl_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
		return -ENOMEM;

	pcm->device = KBL_DPCM_AUDIO_HDMI2_PB;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
}

static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
{
	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = rtd->codec_dai;
	struct kbl_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
		return -ENOMEM;

	pcm->device = KBL_DPCM_AUDIO_HDMI3_PB;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
}

static unsigned int rates[] = {
	48000,
};

static struct snd_pcm_hw_constraint_list constraints_rates = {
	.count = ARRAY_SIZE(rates),
	.list  = rates,
	.mask = 0,
};

static unsigned int channels[] = {
	2,
};

static struct snd_pcm_hw_constraint_list constraints_channels = {
	.count = ARRAY_SIZE(channels),
	.list = channels,
	.mask = 0,
};

static int kbl_fe_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;

	/*
	 * On this platform for PCM device we support,
	 * 48Khz
	 * stereo
	 * 16 bit audio
	 */

	runtime->hw.channels_max = 2;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
					   &constraints_channels);

	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);

	snd_pcm_hw_constraint_list(runtime, 0,
				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);

	return 0;
}

static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
	.startup = kbl_fe_startup,
};

static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
	struct snd_pcm_hw_params *params)
{
	struct snd_interval *rate = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_RATE);
	struct snd_interval *channels = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_CHANNELS);
	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

	/* The ADSP will convert the FE rate to 48k, stereo */
	rate->min = rate->max = 48000;
	channels->min = channels->max = 2;
	/* set SSP1 to 24 bit */
	snd_mask_none(fmt);
	snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);

	return 0;
}

static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai,
			RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
	rt5663_sel_asrc_clk_src(codec_dai->codec, RT5663_DA_STEREO_FILTER, 1);

	if (ret < 0)
		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);

	return ret;
}

static struct snd_soc_ops kabylake_rt5663_ops = {
	.hw_params = kabylake_rt5663_hw_params,
};

static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
		struct snd_pcm_hw_params *params)
{
	struct snd_interval *channels = hw_param_interval(params,
				SNDRV_PCM_HW_PARAM_CHANNELS);

	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
		channels->min = channels->max = 2;
	else
		channels->min = channels->max = 4;

	return 0;
}

static unsigned int channels_dmic[] = {
	2, 4,
};

static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
	.count = ARRAY_SIZE(channels_dmic),
	.list = channels_dmic,
	.mask = 0,
};

static const unsigned int dmic_2ch[] = {
	2,
};

static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
	.count = ARRAY_SIZE(dmic_2ch),
	.list = dmic_2ch,
	.mask = 0,
};

static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;

	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
			dmic_constraints);

	return snd_pcm_hw_constraint_list(substream->runtime, 0,
			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}

static struct snd_soc_ops kabylake_dmic_ops = {
	.startup = kabylake_dmic_startup,
};

static unsigned int rates_16000[] = {
	16000,
};

static struct snd_pcm_hw_constraint_list constraints_16000 = {
	.count = ARRAY_SIZE(rates_16000),
	.list  = rates_16000,
};

static const unsigned int ch_mono[] = {
	1,
};

static const struct snd_pcm_hw_constraint_list constraints_refcap = {
	.count = ARRAY_SIZE(ch_mono),
	.list  = ch_mono,
};

static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
{
	substream->runtime->hw.channels_max = 1;
	snd_pcm_hw_constraint_list(substream->runtime, 0,
					SNDRV_PCM_HW_PARAM_CHANNELS,
					&constraints_refcap);

	return snd_pcm_hw_constraint_list(substream->runtime, 0,
				SNDRV_PCM_HW_PARAM_RATE,
				&constraints_16000);
}

static struct snd_soc_ops skylaye_refcap_ops = {
	.startup = kabylake_refcap_startup,
};

/* kabylake digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link kabylake_dais[] = {
	/* Front End DAI links */
	[KBL_DPCM_AUDIO_PB] = {
		.name = "Kbl Audio Port",
		.stream_name = "Audio",
		.cpu_dai_name = "System Pin",
		.platform_name = "0000:00:1f.3",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.nonatomic = 1,
		.init = kabylake_rt5663_fe_init,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
		.ops = &kabylake_rt5663_fe_ops,
	},
	[KBL_DPCM_AUDIO_CP] = {
		.name = "Kbl Audio Capture Port",
		.stream_name = "Audio Record",
		.cpu_dai_name = "System Pin",
		.platform_name = "0000:00:1f.3",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.nonatomic = 1,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_capture = 1,
		.ops = &kabylake_rt5663_fe_ops,
	},
	[KBL_DPCM_AUDIO_REF_CP] = {
		.name = "Kbl Audio Reference cap",
		.stream_name = "Wake on Voice",
		.cpu_dai_name = "Reference Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.init = NULL,
		.dpcm_capture = 1,
		.nonatomic = 1,
		.dynamic = 1,
		.ops = &skylaye_refcap_ops,
	},
	[KBL_DPCM_AUDIO_DMIC_CP] = {
		.name = "Kbl Audio DMIC cap",
		.stream_name = "dmiccap",
		.cpu_dai_name = "DMIC Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.init = NULL,
		.dpcm_capture = 1,
		.nonatomic = 1,
		.dynamic = 1,
		.ops = &kabylake_dmic_ops,
	},
	[KBL_DPCM_AUDIO_HDMI1_PB] = {
		.name = "Kbl HDMI Port1",
		.stream_name = "Hdmi1",
		.cpu_dai_name = "HDMI1 Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.dpcm_playback = 1,
		.init = NULL,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.nonatomic = 1,
		.dynamic = 1,
	},
	[KBL_DPCM_AUDIO_HDMI2_PB] = {
		.name = "Kbl HDMI Port2",
		.stream_name = "Hdmi2",
		.cpu_dai_name = "HDMI2 Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.dpcm_playback = 1,
		.init = NULL,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.nonatomic = 1,
		.dynamic = 1,
	},
	[KBL_DPCM_AUDIO_HDMI3_PB] = {
		.name = "Kbl HDMI Port3",
		.stream_name = "Hdmi3",
		.cpu_dai_name = "HDMI3 Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
		.init = NULL,
		.nonatomic = 1,
		.dynamic = 1,
	},

	/* Back End DAI links */
	{
		/* SSP0 - Codec */
		.name = "SSP0-Codec",
		.id = 0,
		.cpu_dai_name = "SSP0 Pin",
		.platform_name = "0000:00:1f.3",
		.no_pcm = 1,
		.codecs = max98927_codec_components,
		.num_codecs = ARRAY_SIZE(max98927_codec_components),
		.dai_fmt = SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBS_CFS,
		.ignore_pmdown_time = 1,
		.be_hw_params_fixup = kabylake_ssp_fixup,
		.dpcm_playback = 1,
	},
	{
		/* SSP1 - Codec */
		.name = "SSP1-Codec",
		.id = 1,
		.cpu_dai_name = "SSP1 Pin",
		.platform_name = "0000:00:1f.3",
		.no_pcm = 1,
		.codec_name = "i2c-10EC5663:00",
		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
		.init = kabylake_rt5663_codec_init,
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBS_CFS,
		.ignore_pmdown_time = 1,
		.be_hw_params_fixup = kabylake_ssp_fixup,
		.ops = &kabylake_rt5663_ops,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
	{
		.name = "dmic01",
		.id = 2,
		.cpu_dai_name = "DMIC01 Pin",
		.codec_name = "dmic-codec",
		.codec_dai_name = "dmic-hifi",
		.platform_name = "0000:00:1f.3",
		.be_hw_params_fixup = kabylake_dmic_fixup,
		.ignore_suspend = 1,
		.dpcm_capture = 1,
		.no_pcm = 1,
	},
	{
		.name = "iDisp1",
		.id = 3,
		.cpu_dai_name = "iDisp1 Pin",
		.codec_name = "ehdaudio0D2",
		.codec_dai_name = "intel-hdmi-hifi1",
		.platform_name = "0000:00:1f.3",
		.dpcm_playback = 1,
		.init = kabylake_hdmi1_init,
		.no_pcm = 1,
	},
	{
		.name = "iDisp2",
		.id = 4,
		.cpu_dai_name = "iDisp2 Pin",
		.codec_name = "ehdaudio0D2",
		.codec_dai_name = "intel-hdmi-hifi2",
		.platform_name = "0000:00:1f.3",
		.init = kabylake_hdmi2_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
	},
	{
		.name = "iDisp3",
		.id = 5,
		.cpu_dai_name = "iDisp3 Pin",
		.codec_name = "ehdaudio0D2",
		.codec_dai_name = "intel-hdmi-hifi3",
		.platform_name = "0000:00:1f.3",
		.init = kabylake_hdmi3_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
	},
};

#define NAME_SIZE	32
static int kabylake_card_late_probe(struct snd_soc_card *card)
{
	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(card);
	struct kbl_hdmi_pcm *pcm;
	int err, i = 0;
	char jack_name[NAME_SIZE];

	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
		snprintf(jack_name, sizeof(jack_name),
			"HDMI/DP, pcm=%d Jack", pcm->device);
		err = snd_soc_card_jack_new(card, jack_name,
					SND_JACK_AVOUT, &skylake_hdmi[i],
					NULL, 0);

		if (err)
			return err;

		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
						&skylake_hdmi[i]);
		if (err < 0)
			return err;

		i++;
	}

	return 0;
}

/* kabylake audio machine driver for SPT + RT5663 */
static struct snd_soc_card kabylake_audio_card = {
	.name = "kblrt5663max",
	.owner = THIS_MODULE,
	.dai_link = kabylake_dais,
	.num_links = ARRAY_SIZE(kabylake_dais),
	.controls = kabylake_controls,
	.num_controls = ARRAY_SIZE(kabylake_controls),
	.dapm_widgets = kabylake_widgets,
	.num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
	.dapm_routes = kabylake_map,
	.num_dapm_routes = ARRAY_SIZE(kabylake_map),
	.codec_conf = max98927_codec_conf,
	.num_configs = ARRAY_SIZE(max98927_codec_conf),
	.fully_routed = true,
	.late_probe = kabylake_card_late_probe,
};

static int kabylake_audio_probe(struct platform_device *pdev)
{
	struct kbl_rt5663_private *ctx;
	struct skl_machine_pdata *pdata;

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

	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);

	kabylake_audio_card.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&kabylake_audio_card, ctx);

	pdata = dev_get_drvdata(&pdev->dev);
	if (pdata)
		dmic_constraints = pdata->dmic_num == 2 ?
			&constraints_dmic_2ch : &constraints_dmic_channels;

	return devm_snd_soc_register_card(&pdev->dev, &kabylake_audio_card);
}

static const struct platform_device_id kbl_board_ids[] = {
	{ .name = "kbl_rt5663_m98927" },
	{ }
};

static struct platform_driver kabylake_audio = {
	.probe = kabylake_audio_probe,
	.driver = {
		.name = "kbl_rt5663_m98927",
		.pm = &snd_soc_pm_ops,
	},
	.id_table = kbl_board_ids,
};

module_platform_driver(kabylake_audio)

/* Module information */
MODULE_DESCRIPTION("Audio Machine driver-RT5663 & MAX98927 in I2S mode");
MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:kbl_rt5663_m98927");