| /* |
| * Intel Skylake I2S Machine Driver with MAXIM98357A |
| * and NAU88L25 |
| * |
| * 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/jack.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/soc.h> |
| #include "../../codecs/nau8825.h" |
| #include "../../codecs/hdac_hdmi.h" |
| |
| #define SKL_NUVOTON_CODEC_DAI "nau8825-hifi" |
| #define SKL_MAXIM_CODEC_DAI "HiFi" |
| |
| static struct snd_soc_jack skylake_headset; |
| static struct snd_soc_card skylake_audio_card; |
| |
| struct skl_hdmi_pcm { |
| struct list_head head; |
| struct snd_soc_dai *codec_dai; |
| int device; |
| }; |
| |
| struct skl_nau8825_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 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; Unable to set platform clock\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_kcontrol_new skylake_controls[] = { |
| SOC_DAPM_PIN_SWITCH("Headphone Jack"), |
| SOC_DAPM_PIN_SWITCH("Headset Mic"), |
| SOC_DAPM_PIN_SWITCH("Spk"), |
| }; |
| |
| 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("Spk", 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 */ |
| { "Spk", NULL, "Speaker" }, |
| |
| /* other jacks */ |
| { "MIC", NULL, "Headset Mic" }, |
| { "DMic", NULL, "SoC DMIC" }, |
| |
| {"HDMI", NULL, "hif5 Output"}, |
| {"DP", NULL, "hif6 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" }, |
| |
| { "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 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_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd) |
| { |
| int ret; |
| 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(&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_nau8825_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_nau8825_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_nau8825_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_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 struct snd_soc_ops skylake_nau8825_ops = { |
| .hw_params = skylake_nau8825_hw_params, |
| }; |
| |
| 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) |
| 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 int skylake_dmic_startup(struct snd_pcm_substream *substream) |
| { |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| |
| runtime->hw.channels_max = 4; |
| snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, |
| &constraints_dmic_channels); |
| |
| return snd_pcm_hw_constraint_list(substream->runtime, 0, |
| SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); |
| } |
| |
| static 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 int skylake_refcap_startup(struct snd_pcm_substream *substream) |
| { |
| 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 = 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, |
| .codec_name = "MX98357A:00", |
| .codec_dai_name = SKL_MAXIM_CODEC_DAI, |
| .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, |
| .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-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", |
| .be_hw_params_fixup = skylake_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 = 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_nau8825_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 = "sklnau8825max", |
| .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), |
| .fully_routed = true, |
| .late_probe = skylake_card_late_probe, |
| }; |
| |
| static int skylake_audio_probe(struct platform_device *pdev) |
| { |
| struct skl_nau8825_private *ctx; |
| |
| 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); |
| |
| return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card); |
| } |
| |
| static struct platform_driver skylake_audio = { |
| .probe = skylake_audio_probe, |
| .driver = { |
| .name = "skl_nau88l25_max98357a_i2s", |
| .pm = &snd_soc_pm_ops, |
| }, |
| }; |
| |
| module_platform_driver(skylake_audio) |
| |
| /* Module information */ |
| MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode"); |
| MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com"); |
| MODULE_LICENSE("GPL v2"); |
| MODULE_ALIAS("platform:skl_nau88l25_max98357a_i2s"); |