/*
* Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
*
* Copyright (C) 2015, Intel Corporation. All rights reserved.
*
* Modified from:
* Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
*
* Copyright (C) 2015, Intel Corporation. All rights reserved.
*
* 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/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include "../../codecs/nau8825.h"
#include "../../codecs/hdac_hdmi.h"
#include "../skylake/skl.h"
#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
#define SKL_SSM_CODEC_DAI "ssm4567-hifi"
#define DMIC_CH(p) p->list[p->count-1]
static struct snd_soc_jack skylake_headset;
static struct snd_soc_card skylake_audio_card;
static const struct snd_pcm_hw_constraint_list *dmic_constraints;
struct skl_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct skl_nau88125_private {
struct list_head hdmi_pcm_list;
};
enum {
SKL_DPCM_AUDIO_PB = 0,
SKL_DPCM_AUDIO_CP,
SKL_DPCM_AUDIO_REF_CP,
SKL_DPCM_AUDIO_DMIC_CP,
SKL_DPCM_AUDIO_HDMI1_PB,
SKL_DPCM_AUDIO_HDMI2_PB,
SKL_DPCM_AUDIO_HDMI3_PB,
};
static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
strlen(SKL_NUVOTON_CODEC_DAI)))
return rtd->codec_dai;
}
return NULL;
}
static const struct snd_kcontrol_new skylake_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Left Speaker"),
SOC_DAPM_PIN_SWITCH("Right Speaker"),
};
static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct snd_soc_dai *codec_dai;
int ret;
codec_dai = skl_get_codec_dai(card);
if (!codec_dai) {
dev_err(card->dev, "Codec dai not found\n");
return -EIO;
}
if (SND_SOC_DAPM_EVENT_ON(event)) {
ret = snd_soc_dai_set_sysclk(codec_dai,
NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(card->dev, "set sysclk err = %d\n", ret);
return -EIO;
}
} else {
ret = snd_soc_dai_set_sysclk(codec_dai,
NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(card->dev, "set sysclk err = %d\n", ret);
return -EIO;
}
}
return ret;
}
static const struct snd_soc_dapm_widget skylake_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Left Speaker", NULL),
SND_SOC_DAPM_SPK("Right Speaker", NULL),
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
SND_SOC_DAPM_SPK("DP", NULL),
SND_SOC_DAPM_SPK("HDMI", NULL),
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route skylake_map[] = {
/* HP jack connectors - unknown if we have jack detection */
{"Headphone Jack", NULL, "HPOL"},
{"Headphone Jack", NULL, "HPOR"},
/* speaker */
{"Left Speaker", NULL, "Left OUT"},
{"Right Speaker", NULL, "Right OUT"},
/* other jacks */
{"MIC", NULL, "Headset Mic"},
{"DMic", NULL, "SoC DMIC"},
{"HDMI", NULL, "hif5 Output"},
{"DP", NULL, "hif6 Output"},
/* CODEC BE connections */
{ "Left Playback", NULL, "ssp0 Tx"},
{ "Right Playback", NULL, "ssp0 Tx"},
{ "ssp0 Tx", NULL, "codec0_out"},
/* IV feedback path */
{ "codec0_lp_in", NULL, "ssp0 Rx"},
{ "ssp0 Rx", NULL, "Left Capture Sense" },
{ "ssp0 Rx", NULL, "Right Capture Sense" },
{ "Playback", NULL, "ssp1 Tx"},
{ "ssp1 Tx", NULL, "codec1_out"},
{ "codec0_in", NULL, "ssp1 Rx" },
{ "ssp1 Rx", NULL, "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"},
{ "Headphone Jack", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
};
static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
{
.dev_name = "i2c-INT343B:00",
.name_prefix = "Left",
},
{
.dev_name = "i2c-INT343B:01",
.name_prefix = "Right",
},
};
static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
{ /* Left */
.name = "i2c-INT343B:00",
.dai_name = SKL_SSM_CODEC_DAI,
},
{ /* Right */
.name = "i2c-INT343B:01",
.dai_name = SKL_SSM_CODEC_DAI,
},
};
static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
{
int ret;
/* Slot 1 for left */
ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
if (ret < 0)
return ret;
/* Slot 2 for right */
ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
if (ret < 0)
return ret;
return ret;
}
static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
{
int ret;
struct snd_soc_codec *codec = rtd->codec;
/*
* 4 buttons here map to the google Reference headset
* The use of these buttons can be decided by the user space.
*/
ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
NULL, 0);
if (ret) {
dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
return ret;
}
nau8825_enable_jack_detect(codec, &skylake_headset);
snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
return ret;
}
static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
{
struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct skl_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
{
struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct skl_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
{
struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct skl_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dapm_context *dapm;
struct snd_soc_component *component = rtd->cpu_dai->component;
dapm = snd_soc_component_get_dapm(component);
snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
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 skl_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 skylake_nau8825_fe_ops = {
.startup = skl_fe_startup,
};
static int skylake_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 covert the FE rate to 48k, stereo */
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
/* set SSP0 to 24 bit */
snd_mask_none(fmt);
snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int skylake_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 int skylake_nau8825_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,
NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
return ret;
}
static const struct snd_soc_ops skylake_nau8825_ops = {
.hw_params = skylake_nau8825_hw_params,
};
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 skylake_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 const struct snd_soc_ops skylake_dmic_ops = {
.startup = skylake_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 skylake_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 const struct snd_soc_ops skylaye_refcap_ops = {
.startup = skylake_refcap_startup,
};
/* skylake digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link skylake_dais[] = {
/* Front End DAI links */
[SKL_DPCM_AUDIO_PB] = {
.name = "Skl 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 = skylake_nau8825_fe_init,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
.ops = &skylake_nau8825_fe_ops,
},
[SKL_DPCM_AUDIO_CP] = {
.name = "Skl 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 = &skylake_nau8825_fe_ops,
},
[SKL_DPCM_AUDIO_REF_CP] = {
.name = "Skl 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,
},
[SKL_DPCM_AUDIO_DMIC_CP] = {
.name = "Skl 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 = &skylake_dmic_ops,
},
[SKL_DPCM_AUDIO_HDMI1_PB] = {
.name = "Skl 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,
},
[SKL_DPCM_AUDIO_HDMI2_PB] = {
.name = "Skl 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,
},
[SKL_DPCM_AUDIO_HDMI3_PB] = {
.name = "Skl 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 = ssm4567_codec_components,
.num_codecs = ARRAY_SIZE(ssm4567_codec_components),
.dai_fmt = SND_SOC_DAIFMT_DSP_A |
SND_SOC_DAIFMT_IB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.init = skylake_ssm4567_codec_init,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = skylake_ssp_fixup,
.dpcm_playback = 1,
.dpcm_capture = 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-10508825:00",
.codec_dai_name = SKL_NUVOTON_CODEC_DAI,
.init = skylake_nau8825_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 = skylake_ssp_fixup,
.ops = &skylake_nau8825_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",
.ignore_suspend = 1,
.be_hw_params_fixup = skylake_dmic_fixup,
.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 = skylake_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 = skylake_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 = skylake_hdmi3_init,
.dpcm_playback = 1,
.no_pcm = 1,
},
};
static int skylake_card_late_probe(struct snd_soc_card *card)
{
struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(card);
struct skl_hdmi_pcm *pcm;
int err;
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
if (err < 0)
return err;
}
return 0;
}
/* skylake audio machine driver for SPT + NAU88L25 */
static struct snd_soc_card skylake_audio_card = {
.name = "sklnau8825adi",
.owner = THIS_MODULE,
.dai_link = skylake_dais,
.num_links = ARRAY_SIZE(skylake_dais),
.controls = skylake_controls,
.num_controls = ARRAY_SIZE(skylake_controls),
.dapm_widgets = skylake_widgets,
.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
.dapm_routes = skylake_map,
.num_dapm_routes = ARRAY_SIZE(skylake_map),
.codec_conf = ssm4567_codec_conf,
.num_configs = ARRAY_SIZE(ssm4567_codec_conf),
.fully_routed = true,
.late_probe = skylake_card_late_probe,
};
static int skylake_audio_probe(struct platform_device *pdev)
{
struct skl_nau88125_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);
skylake_audio_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&skylake_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, &skylake_audio_card);
}
static const struct platform_device_id skl_board_ids[] = {
{ .name = "skl_n88l25_s4567" },
{ .name = "kbl_n88l25_s4567" },
{ }
};
static struct platform_driver skylake_audio = {
.probe = skylake_audio_probe,
.driver = {
.name = "skl_n88l25_s4567",
.pm = &snd_soc_pm_ops,
},
.id_table = skl_board_ids,
};
module_platform_driver(skylake_audio)
/* Module information */
MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:skl_n88l25_s4567");
MODULE_ALIAS("platform:kbl_n88l25_s4567");
