[alsa-devel] [PATCH 3/8] ASoC: Intel: Skylake: Add Nuvoton Maxim machine driver
Fang, Yang A
yang.a.fang at intel.com
Mon Dec 21 19:18:04 CET 2015
> -----Original Message-----
> From: Anatol Pomozov [mailto:anatol.pomozov at gmail.com]
> Sent: Sunday, December 20, 2015 5:37 PM
> To: Fang, Yang A
> Cc: Mark Brown; Liam Girdwood; alsa-devel at alsa-project.org; Ainapure,
> Rohit M; Ausmus, James; Koul, Vinod; Konno, Joe; Nujella, Sathyanarayana;
> Kp, Jeeja; Patel, Vedang; Zhi, Yong
> Subject: Re: [alsa-devel] [PATCH 3/8] ASoC: Intel: Skylake: Add Nuvoton
> Maxim machine driver
>
> Hi Yang
>
> On Fri, Dec 11, 2015 at 11:29 AM, <yang.a.fang at intel.com> wrote:
> > From: Rohit Ainapure <rohit.m.ainapure at intel.com>
> >
> > This adds Skylake I2S machine driver which uses NAU88L25 as anlog
> > codec and MAX98357A as speakers
> >
> > Signed-off-by: Rohit Ainapure <rohit.m.ainapure at intel.com>
> > Signed-off-by: Fang, Yang A <yang.a.fang at intel.com>
> > Signed-off-by: Vinod Koul <vinod.koul at intel.com>
> > ---
> > sound/soc/intel/Kconfig | 14 +
> > sound/soc/intel/boards/Makefile | 2 +
> > sound/soc/intel/boards/skl_nau88l25_max98357a.c | 485
> > +++++++++++++++++++++++
> > 3 files changed, 501 insertions(+)
> > create mode 100644 sound/soc/intel/boards/skl_nau88l25_max98357a.c
> >
> > diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index
> > 2d3b124..9b1c0aa 100644
> > --- a/sound/soc/intel/Kconfig
> > +++ b/sound/soc/intel/Kconfig
> > @@ -169,3 +169,17 @@ config
> SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH
> > create an alsa sound card for NAU88L25 + SSM4567.
> > Say Y if you have such a device
> > If unsure select "N".
> > +
> > +config SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH
> > + tristate "ASoC Audio driver for SKL with NAU88L25 and MAX98357A in
> I2S Mode"
>
> I there any reason you keep using inconsistent name for this IC. The original
> driver uses "NAU8825" name and the one above is "NAU88L25".
>
> Please keep naming consistent. The driver chip should be names either
> NAU8825 or NAU88L25 but it has to be done everywhere.
>
Hi Anatol
Thanks for the suggestion. I will rename them to reflect correctly
Thanks,
Yang
> I had this question to Vinod earlier as well sent NAU88L25 -> NAU8825
> rename patch but got no reply.
>
> > + depends on X86_INTEL_LPSS && I2C
> > + select SND_SOC_INTEL_SST
> > + select SND_SOC_INTEL_SKYLAKE
> > + select SND_SOC_NAU8825
> > + select SND_SOC_MAX98357A
> > + select SND_SOC_DMIC
> > + help
> > + This adds support for ASoC Onboard Codec I2S machine driver. This
> will
> > + create an alsa sound card for NAU88L25 + MAX98357A.
> > + Say Y if you have such a device
> > + If unsure select "N".
> > diff --git a/sound/soc/intel/boards/Makefile
> > b/sound/soc/intel/boards/Makefile index a59f762..2485ea9 100644
> > --- a/sound/soc/intel/boards/Makefile
> > +++ b/sound/soc/intel/boards/Makefile
> > @@ -7,6 +7,7 @@ snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o
> > snd-soc-sst-cht-bsw-rt5645-objs := cht_bsw_rt5645.o
> > snd-soc-sst-cht-bsw-max98090_ti-objs := cht_bsw_max98090_ti.o
> > snd-soc-skl_rt286-objs := skl_rt286.o
> > +snd-skl_nau88l25_max98357a-objs := skl_nau88l25_max98357a.o
> > snd-soc-skl_nau88l25_ssm4567-objs := skl_nau88l25_ssm4567.o
> >
> > obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-
> haswell.o @@
> > -18,4 +19,5 @@ obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5672_MACH)
> +=
> > snd-soc-sst-cht-bsw-rt5672.o
> > obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5645_MACH) +=
> > snd-soc-sst-cht-bsw-rt5645.o
> > obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH) +=
> > snd-soc-sst-cht-bsw-max98090_ti.o
> > obj-$(CONFIG_SND_SOC_INTEL_SKL_RT286_MACH) += snd-soc-
> skl_rt286.o
> > +obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH) +=
> > +snd-skl_nau88l25_max98357a.o
> > obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH) +=
> > snd-soc-skl_nau88l25_ssm4567.o diff --git
> > a/sound/soc/intel/boards/skl_nau88l25_max98357a.c
> > b/sound/soc/intel/boards/skl_nau88l25_max98357a.c
> > new file mode 100644
> > index 0000000..ab7da9c
> > --- /dev/null
> > +++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c
> > @@ -0,0 +1,485 @@
> > +/*
> > + * 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"
> > +
> > +#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;
> > +
> > +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_SINK("WoV Sink"),
> > + 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" },
> > +
> > + {"WoV Sink", NULL, "hwd_in sink"},
> > + {"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" },
> > + { "hifi1", NULL, "iDisp Tx"},
> > + { "iDisp Tx", NULL, "iDisp_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");
> > + snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink");
> > +
> > + return ret;
> > +}
> > +
> > +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 */
> > + {
> > + .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,
> > + },
> > + {
> > + .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,
> > + },
> > + {
> > + .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,
> > + .ignore_suspend = 1,
> > + .nonatomic = 1,
> > + .dynamic = 1,
> > + .ops = &skylaye_refcap_ops,
> > + },
> > + {
> > + .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,
> > + },
> > + {
> > + .name = "Skl HDMI Port",
> > + .stream_name = "Hdmi",
> > + .cpu_dai_name = "HDMI Pin",
> > + .codec_name = "snd-soc-dummy",
> > + .codec_dai_name = "snd-soc-dummy-dai",
> > + .platform_name = "0000:00:1f.3",
> > + .dpcm_playback = 1,
> > + .init = NULL,
> > + .nonatomic = 1,
> > + .dynamic = 1,
> > + },
> > +
> > + /* Back End DAI links */
> > + {
> > + /* SSP0 - Codec */
> > + .name = "SSP0-Codec",
> > + .be_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",
> > + .be_id = 0,
> > + .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",
> > + .be_id = 1,
> > + .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 = "iDisp",
> > + .be_id = 3,
> > + .cpu_dai_name = "iDisp Pin",
> > + .codec_name = "ehdaudio0D2",
> > + .codec_dai_name = "intel-hdmi-hifi1",
> > + .platform_name = "0000:00:1f.3",
> > + .dpcm_playback = 1,
> > + .no_pcm = 1,
> > + },
> > +};
> > +
> > +/* 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,
> > +};
> > +
> > +static int skylake_audio_probe(struct platform_device *pdev) {
> > + skylake_audio_card.dev = &pdev->dev;
> > +
> > + 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 at intel.com");
> > +MODULE_LICENSE("GPL v2");
> > +MODULE_ALIAS("platform:skl_nau88l25_max98357a_i2s");
> > --
> > 1.7.9.5
> >
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
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