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linux/sound/soc/intel/boards/kbl_da7219_max98357a.c
Kuninori Morimoto a2c1125e5b
ASoC: intel: convert not to use asoc_xxx() 
ASoC is now unified asoc_xxx() into snd_soc_xxx().
This patch convert asoc_xxx() to snd_soc_xxx().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87zg19fo4o.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-09-26 17:18:40 +02:00

688 lines
17 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
// Copyright(c) 2017-18 Intel Corporation.
/*
* Intel Kabylake I2S Machine Driver with MAX98357A & DA7219 Codecs
*
* Modified from:
* Intel Kabylake I2S Machine driver supporting MAXIM98927 and
* RT5663 codecs
*/
#include <linux/input.h>
#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/da7219.h"
#include "../../codecs/hdac_hdmi.h"
#define KBL_DIALOG_CODEC_DAI "da7219-hifi"
#define KBL_MAXIM_CODEC_DAI "HiFi"
#define MAXIM_DEV0_NAME "MX98357A:00"
#define DUAL_CHANNEL 2
#define QUAD_CHANNEL 4
static struct snd_soc_card *kabylake_audio_card;
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_codec_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 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 = 0;
codec_dai = snd_soc_card_get_codec_dai(card, KBL_DIALOG_CODEC_DAI);
if (!codec_dai) {
dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
return -EIO;
}
if (SND_SOC_DAPM_EVENT_OFF(event)) {
ret = snd_soc_dai_set_pll(codec_dai, 0,
DA7219_SYSCLK_MCLK, 0, 0);
if (ret)
dev_err(card->dev, "failed to stop PLL: %d\n", ret);
} else if (SND_SOC_DAPM_EVENT_ON(event)) {
ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
0, DA7219_PLL_FREQ_OUT_98304);
if (ret)
dev_err(card->dev, "failed to start PLL: %d\n", ret);
}
return ret;
}
static const struct snd_kcontrol_new kabylake_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Spk"),
SOC_DAPM_PIN_SWITCH("Line Out"),
};
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("Spk", NULL),
SND_SOC_DAPM_LINE("Line Out", NULL),
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
SND_SOC_DAPM_SPK("HDMI1", NULL),
SND_SOC_DAPM_SPK("HDMI2", NULL),
SND_SOC_DAPM_SPK("HDMI3", 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 struct snd_soc_jack_pin jack_pins[] = {
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Line Out",
.mask = SND_JACK_LINEOUT,
},
};
static const struct snd_soc_dapm_route kabylake_map[] = {
{ "Headphone Jack", NULL, "HPL" },
{ "Headphone Jack", NULL, "HPR" },
/* speaker */
{ "Spk", NULL, "Speaker" },
/* other jacks */
{ "MIC", NULL, "Headset Mic" },
{ "DMic", NULL, "SoC DMIC" },
{"HDMI1", NULL, "hif5-0 Output"},
{"HDMI2", NULL, "hif6-0 Output"},
{"HDMI3", NULL, "hif7-0 Output"},
/* CODEC BE connections */
{ "HiFi Playback", NULL, "ssp0 Tx" },
{ "ssp0 Tx", NULL, "codec0_out" },
{ "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" },
{ "hifi1", NULL, "iDisp1 Tx" },
{ "iDisp1 Tx", NULL, "iDisp1_out" },
{ "hifi2", NULL, "iDisp2 Tx" },
{ "iDisp2 Tx", NULL, "iDisp2_out" },
{ "hifi3", NULL, "iDisp3 Tx"},
{ "iDisp3 Tx", NULL, "iDisp3_out"},
{ "Headphone Jack", NULL, "Platform Clock" },
{ "Headset Mic", NULL, "Platform Clock" },
{ "Line Out", NULL, "Platform Clock" },
};
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 *chan = 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;
chan->min = chan->max = DUAL_CHANNEL;
/* set SSP to 24 bit */
snd_mask_none(fmt);
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
struct snd_soc_jack *jack;
int ret;
/* Configure sysclk for codec */
ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000,
SND_SOC_CLOCK_IN);
if (ret) {
dev_err(rtd->dev, "can't set codec sysclk configuration\n");
return ret;
}
/*
* Headset buttons map to the google Reference headset.
* These can be configured by userspace.
*/
ret = snd_soc_card_jack_new_pins(kabylake_audio_card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
&ctx->kabylake_headset,
jack_pins,
ARRAY_SIZE(jack_pins));
if (ret) {
dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
return ret;
}
jack = &ctx->kabylake_headset;
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
snd_soc_component_set_jack(component, &ctx->kabylake_headset, NULL);
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;
}
static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
{
struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
struct kbl_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = device;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
{
return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
}
static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
{
return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
}
static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
{
return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
}
static int kabylake_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dapm_context *dapm;
struct snd_soc_component *component = snd_soc_rtd_to_cpu(rtd, 0)->component;
dapm = snd_soc_component_get_dapm(component);
snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
return 0;
}
static const unsigned int rates[] = {
48000,
};
static const struct snd_pcm_hw_constraint_list constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
};
static const unsigned int channels[] = {
DUAL_CHANNEL,
};
static const struct snd_pcm_hw_constraint_list constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
static unsigned int channels_quad[] = {
QUAD_CHANNEL,
};
static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
.count = ARRAY_SIZE(channels_quad),
.list = channels_quad,
.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 = DUAL_CHANNEL;
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_da7219_fe_ops = {
.startup = kbl_fe_startup,
};
static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *chan = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
/*
* set BE channel constraint as user FE channels
*/
if (params_channels(params) == 2)
chan->min = chan->max = 2;
else
chan->min = chan->max = 4;
return 0;
}
static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_channels_quad);
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 const 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 skylake_refcap_ops = {
.startup = kabylake_refcap_startup,
};
SND_SOC_DAILINK_DEF(dummy,
DAILINK_COMP_ARRAY(COMP_DUMMY()));
SND_SOC_DAILINK_DEF(system,
DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
SND_SOC_DAILINK_DEF(reference,
DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
SND_SOC_DAILINK_DEF(dmic,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
SND_SOC_DAILINK_DEF(hdmi1,
DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
SND_SOC_DAILINK_DEF(hdmi2,
DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
SND_SOC_DAILINK_DEF(hdmi3,
DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
SND_SOC_DAILINK_DEF(ssp0_pin,
DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
SND_SOC_DAILINK_DEF(ssp0_codec,
DAILINK_COMP_ARRAY(COMP_CODEC(MAXIM_DEV0_NAME,
KBL_MAXIM_CODEC_DAI)));
SND_SOC_DAILINK_DEF(ssp1_pin,
DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
SND_SOC_DAILINK_DEF(ssp1_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00",
KBL_DIALOG_CODEC_DAI)));
SND_SOC_DAILINK_DEF(dmic_pin,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
SND_SOC_DAILINK_DEF(dmic_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
SND_SOC_DAILINK_DEF(idisp1_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
SND_SOC_DAILINK_DEF(idisp1_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2",
"intel-hdmi-hifi1")));
SND_SOC_DAILINK_DEF(idisp2_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
SND_SOC_DAILINK_DEF(idisp2_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
SND_SOC_DAILINK_DEF(idisp3_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
SND_SOC_DAILINK_DEF(idisp3_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
/* 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",
.dynamic = 1,
.nonatomic = 1,
.init = kabylake_da7219_fe_init,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
.ops = &kabylake_da7219_fe_ops,
SND_SOC_DAILINK_REG(system, dummy, platform),
},
[KBL_DPCM_AUDIO_CP] = {
.name = "Kbl Audio Capture Port",
.stream_name = "Audio Record",
.dynamic = 1,
.nonatomic = 1,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_capture = 1,
.ops = &kabylake_da7219_fe_ops,
SND_SOC_DAILINK_REG(system, dummy, platform),
},
[KBL_DPCM_AUDIO_REF_CP] = {
.name = "Kbl Audio Reference cap",
.stream_name = "Wake on Voice",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &skylake_refcap_ops,
SND_SOC_DAILINK_REG(reference, dummy, platform),
},
[KBL_DPCM_AUDIO_DMIC_CP] = {
.name = "Kbl Audio DMIC cap",
.stream_name = "dmiccap",
.init = NULL,
.dpcm_capture = 1,
.nonatomic = 1,
.dynamic = 1,
.ops = &kabylake_dmic_ops,
SND_SOC_DAILINK_REG(dmic, dummy, platform),
},
[KBL_DPCM_AUDIO_HDMI1_PB] = {
.name = "Kbl HDMI Port1",
.stream_name = "Hdmi1",
.dpcm_playback = 1,
.init = NULL,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
},
[KBL_DPCM_AUDIO_HDMI2_PB] = {
.name = "Kbl HDMI Port2",
.stream_name = "Hdmi2",
.dpcm_playback = 1,
.init = NULL,
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
},
[KBL_DPCM_AUDIO_HDMI3_PB] = {
.name = "Kbl HDMI Port3",
.stream_name = "Hdmi3",
.trigger = {
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dpcm_playback = 1,
.init = NULL,
.nonatomic = 1,
.dynamic = 1,
SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
},
/* Back End DAI links */
{
/* SSP0 - Codec */
.name = "SSP0-Codec",
.id = 0,
.no_pcm = 1,
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = kabylake_ssp_fixup,
.dpcm_playback = 1,
SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
},
{
/* SSP1 - Codec */
.name = "SSP1-Codec",
.id = 1,
.no_pcm = 1,
.init = kabylake_da7219_codec_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = kabylake_ssp_fixup,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
},
{
.name = "dmic01",
.id = 2,
.be_hw_params_fixup = kabylake_dmic_fixup,
.ignore_suspend = 1,
.dpcm_capture = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
},
{
.name = "iDisp1",
.id = 3,
.dpcm_playback = 1,
.init = kabylake_hdmi1_init,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
},
{
.name = "iDisp2",
.id = 4,
.init = kabylake_hdmi2_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
},
{
.name = "iDisp3",
.id = 5,
.init = kabylake_hdmi3_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
},
};
#define NAME_SIZE 32
static int kabylake_card_late_probe(struct snd_soc_card *card)
{
struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
struct kbl_hdmi_pcm *pcm;
struct snd_soc_component *component = NULL;
int err, i = 0;
char jack_name[NAME_SIZE];
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
component = pcm->codec_dai->component;
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]);
if (err)
return err;
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
&skylake_hdmi[i]);
if (err < 0)
return err;
i++;
}
if (!component)
return -EINVAL;
return hdac_hdmi_jack_port_init(component, &card->dapm);
}
/* kabylake audio machine driver for SPT + DA7219 */
static struct snd_soc_card kabylake_audio_card_da7219_m98357a = {
.name = "kblda7219max",
.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),
.fully_routed = true,
.late_probe = kabylake_card_late_probe,
};
static int kabylake_audio_probe(struct platform_device *pdev)
{
struct kbl_codec_private *ctx;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
kabylake_audio_card =
(struct snd_soc_card *)pdev->id_entry->driver_data;
kabylake_audio_card->dev = &pdev->dev;
snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
}
static const struct platform_device_id kbl_board_ids[] = {
{
.name = "kbl_da7219_mx98357a",
.driver_data =
(kernel_ulong_t)&kabylake_audio_card_da7219_m98357a,
},
{ }
};
MODULE_DEVICE_TABLE(platform, kbl_board_ids);
static struct platform_driver kabylake_audio = {
.probe = kabylake_audio_probe,
.driver = {
.name = "kbl_da7219_max98357a",
.pm = &snd_soc_pm_ops,
},
.id_table = kbl_board_ids,
};
module_platform_driver(kabylake_audio)
/* Module information */
MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
MODULE_LICENSE("GPL v2");
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