linuxdebug/sound/soc/intel/boards/sof_nau8825.c

683 lines
19 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
// Copyright(c) 2021 Intel Corporation.
// Copyright(c) 2021 Nuvoton Corporation.
/*
* Intel SOF Machine Driver with Nuvoton headphone codec NAU8825
* and speaker codec RT1019P MAX98360a or MAX98373
*/
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/dmi.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/sof.h>
#include <sound/soc-acpi.h>
#include "../../codecs/nau8825.h"
#include "../common/soc-intel-quirks.h"
#include "hda_dsp_common.h"
#include "sof_realtek_common.h"
#include "sof_maxim_common.h"
#define NAME_SIZE 32
#define SOF_NAU8825_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0))
#define SOF_NAU8825_SSP_CODEC_MASK (GENMASK(2, 0))
#define SOF_SPEAKER_AMP_PRESENT BIT(3)
#define SOF_NAU8825_SSP_AMP_SHIFT 4
#define SOF_NAU8825_SSP_AMP_MASK (GENMASK(6, 4))
#define SOF_NAU8825_SSP_AMP(quirk) \
(((quirk) << SOF_NAU8825_SSP_AMP_SHIFT) & SOF_NAU8825_SSP_AMP_MASK)
#define SOF_NAU8825_NUM_HDMIDEV_SHIFT 7
#define SOF_NAU8825_NUM_HDMIDEV_MASK (GENMASK(9, 7))
#define SOF_NAU8825_NUM_HDMIDEV(quirk) \
(((quirk) << SOF_NAU8825_NUM_HDMIDEV_SHIFT) & SOF_NAU8825_NUM_HDMIDEV_MASK)
/* BT audio offload: reserve 3 bits for future */
#define SOF_BT_OFFLOAD_SSP_SHIFT 10
#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(12, 10))
#define SOF_BT_OFFLOAD_SSP(quirk) \
(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(13)
#define SOF_RT1019P_SPEAKER_AMP_PRESENT BIT(14)
#define SOF_MAX98373_SPEAKER_AMP_PRESENT BIT(15)
#define SOF_MAX98360A_SPEAKER_AMP_PRESENT BIT(16)
#define SOF_RT1015P_SPEAKER_AMP_PRESENT BIT(17)
static unsigned long sof_nau8825_quirk = SOF_NAU8825_SSP_CODEC(0);
struct sof_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct sof_card_private {
struct clk *mclk;
struct snd_soc_jack sof_headset;
struct list_head hdmi_pcm_list;
};
static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
struct sof_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
/* dai_link id is 1:1 mapped to the PCM device */
pcm->device = rtd->dai_link->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static struct snd_soc_jack_pin jack_pins[] = {
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int sof_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
struct snd_soc_jack *jack;
int ret;
/*
* Headset buttons map to the google Reference headset.
* These can be configured by userspace.
*/
ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 |
SND_JACK_BTN_1 | SND_JACK_BTN_2 |
SND_JACK_BTN_3,
&ctx->sof_headset,
jack_pins,
ARRAY_SIZE(jack_pins));
if (ret) {
dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
return ret;
}
jack = &ctx->sof_headset;
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
ret = snd_soc_component_set_jack(component, jack, NULL);
if (ret) {
dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
return ret;
}
return ret;
};
static void sof_nau8825_codec_exit(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
snd_soc_component_set_jack(component, NULL, NULL);
}
static int sof_nau8825_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
int clk_freq, ret;
clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
if (clk_freq <= 0) {
dev_err(rtd->dev, "get bclk freq failed: %d\n", clk_freq);
return -EINVAL;
}
/* Configure clock for codec */
ret = snd_soc_dai_set_sysclk(codec_dai, NAU8825_CLK_FLL_BLK, 0,
SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(codec_dai->dev, "can't set BCLK clock %d\n", ret);
return ret;
}
/* Configure pll for codec */
ret = snd_soc_dai_set_pll(codec_dai, 0, 0, clk_freq,
params_rate(params) * 256);
if (ret < 0) {
dev_err(codec_dai->dev, "can't set BCLK: %d\n", ret);
return ret;
}
return ret;
}
static struct snd_soc_ops sof_nau8825_ops = {
.hw_params = sof_nau8825_hw_params,
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
.name = "0000:00:1f.3"
}
};
static int sof_card_late_probe(struct snd_soc_card *card)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_dapm_context *dapm = &card->dapm;
struct sof_hdmi_pcm *pcm;
int err;
if (sof_nau8825_quirk & SOF_MAX98373_SPEAKER_AMP_PRESENT) {
/* Disable Left and Right Spk pin after boot */
snd_soc_dapm_disable_pin(dapm, "Left Spk");
snd_soc_dapm_disable_pin(dapm, "Right Spk");
err = snd_soc_dapm_sync(dapm);
if (err < 0)
return err;
}
if (list_empty(&ctx->hdmi_pcm_list))
return -EINVAL;
pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
}
static const struct snd_kcontrol_new sof_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_kcontrol_new speaker_controls[] = {
SOC_DAPM_PIN_SWITCH("Spk"),
};
static const struct snd_soc_dapm_widget sof_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),
};
static const struct snd_soc_dapm_widget speaker_widgets[] = {
SND_SOC_DAPM_SPK("Spk", NULL),
};
static const struct snd_soc_dapm_widget dmic_widgets[] = {
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
};
static const struct snd_soc_dapm_route sof_map[] = {
/* HP jack connectors - unknown if we have jack detection */
{ "Headphone Jack", NULL, "HPOL" },
{ "Headphone Jack", NULL, "HPOR" },
/* other jacks */
{ "MIC", NULL, "Headset Mic" },
};
static const struct snd_soc_dapm_route speaker_map[] = {
/* speaker */
{ "Spk", NULL, "Speaker" },
};
static const struct snd_soc_dapm_route dmic_map[] = {
/* digital mics */
{"DMic", NULL, "SoC DMIC"},
};
static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_new_controls(&card->dapm, speaker_widgets,
ARRAY_SIZE(speaker_widgets));
if (ret) {
dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
/* Don't need to add routes if widget addition failed */
return ret;
}
ret = snd_soc_add_card_controls(card, speaker_controls,
ARRAY_SIZE(speaker_controls));
if (ret) {
dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, speaker_map,
ARRAY_SIZE(speaker_map));
if (ret)
dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
return ret;
}
static int dmic_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
ARRAY_SIZE(dmic_widgets));
if (ret) {
dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
/* Don't need to add routes if widget addition failed */
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
ARRAY_SIZE(dmic_map));
if (ret)
dev_err(card->dev, "DMic map addition failed: %d\n", ret);
return ret;
}
/* sof audio machine driver for nau8825 codec */
static struct snd_soc_card sof_audio_card_nau8825 = {
.name = "nau8825", /* the sof- prefix is added by the core */
.owner = THIS_MODULE,
.controls = sof_controls,
.num_controls = ARRAY_SIZE(sof_controls),
.dapm_widgets = sof_widgets,
.num_dapm_widgets = ARRAY_SIZE(sof_widgets),
.dapm_routes = sof_map,
.num_dapm_routes = ARRAY_SIZE(sof_map),
.fully_routed = true,
.late_probe = sof_card_late_probe,
};
static struct snd_soc_dai_link_component nau8825_component[] = {
{
.name = "i2c-10508825:00",
.dai_name = "nau8825-hifi",
}
};
static struct snd_soc_dai_link_component dmic_component[] = {
{
.name = "dmic-codec",
.dai_name = "dmic-hifi",
}
};
static struct snd_soc_dai_link_component rt1019p_component[] = {
{
.name = "RTL1019:00",
.dai_name = "HiFi",
}
};
static struct snd_soc_dai_link_component dummy_component[] = {
{
.name = "snd-soc-dummy",
.dai_name = "snd-soc-dummy-dai",
}
};
static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
int ssp_codec,
int ssp_amp,
int dmic_be_num,
int hdmi_num)
{
struct snd_soc_dai_link_component *idisp_components;
struct snd_soc_dai_link_component *cpus;
struct snd_soc_dai_link *links;
int i, id = 0;
links = devm_kcalloc(dev, sof_audio_card_nau8825.num_links,
sizeof(struct snd_soc_dai_link), GFP_KERNEL);
cpus = devm_kcalloc(dev, sof_audio_card_nau8825.num_links,
sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
if (!links || !cpus)
goto devm_err;
/* codec SSP */
links[id].name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d-Codec", ssp_codec);
if (!links[id].name)
goto devm_err;
links[id].id = id;
links[id].codecs = nau8825_component;
links[id].num_codecs = ARRAY_SIZE(nau8825_component);
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].init = sof_nau8825_codec_init;
links[id].exit = sof_nau8825_codec_exit;
links[id].ops = &sof_nau8825_ops;
links[id].dpcm_playback = 1;
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
links[id].cpus = &cpus[id];
links[id].num_cpus = 1;
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d Pin",
ssp_codec);
if (!links[id].cpus->dai_name)
goto devm_err;
id++;
/* dmic */
if (dmic_be_num > 0) {
/* at least we have dmic01 */
links[id].name = "dmic01";
links[id].cpus = &cpus[id];
links[id].cpus->dai_name = "DMIC01 Pin";
links[id].init = dmic_init;
if (dmic_be_num > 1) {
/* set up 2 BE links at most */
links[id + 1].name = "dmic16k";
links[id + 1].cpus = &cpus[id + 1];
links[id + 1].cpus->dai_name = "DMIC16k Pin";
dmic_be_num = 2;
}
}
for (i = 0; i < dmic_be_num; i++) {
links[id].id = id;
links[id].num_cpus = 1;
links[id].codecs = dmic_component;
links[id].num_codecs = ARRAY_SIZE(dmic_component);
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].ignore_suspend = 1;
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
id++;
}
/* HDMI */
if (hdmi_num > 0) {
idisp_components = devm_kcalloc(dev,
hdmi_num,
sizeof(struct snd_soc_dai_link_component),
GFP_KERNEL);
if (!idisp_components)
goto devm_err;
}
for (i = 1; i <= hdmi_num; i++) {
links[id].name = devm_kasprintf(dev, GFP_KERNEL,
"iDisp%d", i);
if (!links[id].name)
goto devm_err;
links[id].id = id;
links[id].cpus = &cpus[id];
links[id].num_cpus = 1;
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"iDisp%d Pin", i);
if (!links[id].cpus->dai_name)
goto devm_err;
idisp_components[i - 1].name = "ehdaudio0D2";
idisp_components[i - 1].dai_name = devm_kasprintf(dev,
GFP_KERNEL,
"intel-hdmi-hifi%d",
i);
if (!idisp_components[i - 1].dai_name)
goto devm_err;
links[id].codecs = &idisp_components[i - 1];
links[id].num_codecs = 1;
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].init = sof_hdmi_init;
links[id].dpcm_playback = 1;
links[id].no_pcm = 1;
id++;
}
/* speaker amp */
if (sof_nau8825_quirk & SOF_SPEAKER_AMP_PRESENT) {
links[id].name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d-Codec", ssp_amp);
if (!links[id].name)
goto devm_err;
links[id].id = id;
if (sof_nau8825_quirk & SOF_RT1019P_SPEAKER_AMP_PRESENT) {
links[id].codecs = rt1019p_component;
links[id].num_codecs = ARRAY_SIZE(rt1019p_component);
links[id].init = speaker_codec_init;
} else if (sof_nau8825_quirk &
SOF_MAX98373_SPEAKER_AMP_PRESENT) {
links[id].codecs = max_98373_components;
links[id].num_codecs = ARRAY_SIZE(max_98373_components);
links[id].init = max_98373_spk_codec_init;
links[id].ops = &max_98373_ops;
} else if (sof_nau8825_quirk &
SOF_MAX98360A_SPEAKER_AMP_PRESENT) {
max_98360a_dai_link(&links[id]);
} else if (sof_nau8825_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT) {
sof_rt1015p_dai_link(&links[id]);
} else {
goto devm_err;
}
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].dpcm_playback = 1;
/* feedback stream or firmware-generated echo reference */
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
links[id].cpus = &cpus[id];
links[id].num_cpus = 1;
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d Pin",
ssp_amp);
if (!links[id].cpus->dai_name)
goto devm_err;
id++;
}
/* BT audio offload */
if (sof_nau8825_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
int port = (sof_nau8825_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
SOF_BT_OFFLOAD_SSP_SHIFT;
links[id].id = id;
links[id].cpus = &cpus[id];
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d Pin", port);
if (!links[id].cpus->dai_name)
goto devm_err;
links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
if (!links[id].name)
goto devm_err;
links[id].codecs = dummy_component;
links[id].num_codecs = ARRAY_SIZE(dummy_component);
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].dpcm_playback = 1;
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
links[id].num_cpus = 1;
}
return links;
devm_err:
return NULL;
}
static int sof_audio_probe(struct platform_device *pdev)
{
struct snd_soc_dai_link *dai_links;
struct snd_soc_acpi_mach *mach;
struct sof_card_private *ctx;
int dmic_be_num, hdmi_num;
int ret, ssp_amp, ssp_codec;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
if (pdev->id_entry && pdev->id_entry->driver_data)
sof_nau8825_quirk = (unsigned long)pdev->id_entry->driver_data;
mach = pdev->dev.platform_data;
/* A speaker amp might not be present when the quirk claims one is.
* Detect this via whether the machine driver match includes quirk_data.
*/
if ((sof_nau8825_quirk & SOF_SPEAKER_AMP_PRESENT) && !mach->quirk_data)
sof_nau8825_quirk &= ~SOF_SPEAKER_AMP_PRESENT;
dev_dbg(&pdev->dev, "sof_nau8825_quirk = %lx\n", sof_nau8825_quirk);
/* default number of DMIC DAI's */
dmic_be_num = 2;
hdmi_num = (sof_nau8825_quirk & SOF_NAU8825_NUM_HDMIDEV_MASK) >>
SOF_NAU8825_NUM_HDMIDEV_SHIFT;
/* default number of HDMI DAI's */
if (!hdmi_num)
hdmi_num = 3;
ssp_amp = (sof_nau8825_quirk & SOF_NAU8825_SSP_AMP_MASK) >>
SOF_NAU8825_SSP_AMP_SHIFT;
ssp_codec = sof_nau8825_quirk & SOF_NAU8825_SSP_CODEC_MASK;
/* compute number of dai links */
sof_audio_card_nau8825.num_links = 1 + dmic_be_num + hdmi_num;
if (sof_nau8825_quirk & SOF_SPEAKER_AMP_PRESENT)
sof_audio_card_nau8825.num_links++;
if (sof_nau8825_quirk & SOF_MAX98373_SPEAKER_AMP_PRESENT)
max_98373_set_codec_conf(&sof_audio_card_nau8825);
else if (sof_nau8825_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT)
sof_rt1015p_codec_conf(&sof_audio_card_nau8825);
if (sof_nau8825_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
sof_audio_card_nau8825.num_links++;
dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
dmic_be_num, hdmi_num);
if (!dai_links)
return -ENOMEM;
sof_audio_card_nau8825.dai_link = dai_links;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
sof_audio_card_nau8825.dev = &pdev->dev;
/* set platform name for each dailink */
ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_nau8825,
mach->mach_params.platform);
if (ret)
return ret;
snd_soc_card_set_drvdata(&sof_audio_card_nau8825, ctx);
return devm_snd_soc_register_card(&pdev->dev,
&sof_audio_card_nau8825);
}
static const struct platform_device_id board_ids[] = {
{
.name = "sof_nau8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_NAU8825_NUM_HDMIDEV(4) |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
.name = "adl_rt1019p_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_RT1019P_SPEAKER_AMP_PRESENT |
SOF_NAU8825_SSP_AMP(2) |
SOF_NAU8825_NUM_HDMIDEV(4)),
},
{
.name = "adl_max98373_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_MAX98373_SPEAKER_AMP_PRESENT |
SOF_NAU8825_SSP_AMP(1) |
SOF_NAU8825_NUM_HDMIDEV(4) |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
/* The limitation of length of char array, shorten the name */
.name = "adl_mx98360a_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_MAX98360A_SPEAKER_AMP_PRESENT |
SOF_NAU8825_SSP_AMP(1) |
SOF_NAU8825_NUM_HDMIDEV(4) |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
.name = "adl_rt1015p_8825",
.driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
SOF_SPEAKER_AMP_PRESENT |
SOF_RT1015P_SPEAKER_AMP_PRESENT |
SOF_NAU8825_SSP_AMP(1) |
SOF_NAU8825_NUM_HDMIDEV(4) |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{ }
};
MODULE_DEVICE_TABLE(platform, board_ids);
static struct platform_driver sof_audio = {
.probe = sof_audio_probe,
.driver = {
.name = "sof_nau8825",
.pm = &snd_soc_pm_ops,
},
.id_table = board_ids,
};
module_platform_driver(sof_audio)
/* Module information */
MODULE_DESCRIPTION("SOF Audio Machine driver for NAU8825");
MODULE_AUTHOR("David Lin <ctlin0@nuvoton.com>");
MODULE_AUTHOR("Mac Chiang <mac.chiang@intel.com>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON);