[alsa-devel] [PATCH 1/2] ASoC: Intel: boards: Add CML m/c using RT1011 and RT5682
Amadeusz Sławiński
amadeuszx.slawinski at linux.intel.com
Tue Sep 24 11:07:00 CEST 2019
On Tue, 24 Sep 2019 13:39:05 +0530
sathya.prakash.m.r at intel.com wrote:
> From: Naveen Manohar <naveen.m at intel.com>
>
> Machine driver to enable
> RT5682 on SSP0, DMIC, HDMI and
> RT1011 AMP on SSP1 with
> 2 CH / 24 bit TDM Playback over 4 individual codecs and
> 4 CH / 24 bit Capture to provide feedback.
>
> Signed-off-by: Naveen Manohar <naveen.m at intel.com>
> Signed-off-by: Sathya Prakash M R <sathya.prakash.m.r at intel.com>
> ---
> sound/soc/intel/boards/Kconfig | 18 ++
> sound/soc/intel/boards/Makefile | 2 +
> sound/soc/intel/boards/cml_rt1011_rt5682.c | 475 +++++++++++++++++++++++++++++
> 3 files changed, 495 insertions(+)
> create mode 100644 sound/soc/intel/boards/cml_rt1011_rt5682.c
>
> diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
> index 50bf149818b5..6c41aa5e78c0 100644
> --- a/sound/soc/intel/boards/Kconfig
> +++ b/sound/soc/intel/boards/Kconfig
> @@ -382,6 +382,24 @@ config SND_SOC_INTEL_GLK_RT5682_MAX98357A_MACH
>
> endif ## SND_SOC_INTEL_GLK || (SND_SOC_SOF_GEMINILAKE && SND_SOC_SOF_HDA_LINK)
>
> +if SND_SOC_SOF_COMETLAKE_LP && SND_SOC_SOF_HDA_LINK
> +
> +config SND_SOC_INTEL_SOF_CML_RT1011_RT5682_MACH
> + tristate "CML with RT1011 and RT5682 in I2S Mode"
> + depends on I2C && ACPI
> + depends on MFD_INTEL_LPSS || COMPILE_TEST
> + select SND_SOC_RT1011
> + select SND_SOC_RT5682
> + select SND_SOC_DMIC
> + select SND_SOC_HDAC_HDMI
> + help
> + This adds support for ASoC machine driver for SOF platform with
> + RT1011 + RT5682 I2S codec.
> + Say Y if you have such a device.
> + If unsure select "N".
> +
> +endif ## SND_SOC_SOF_COMETLAKE_LP && SND_SOC_SOF_HDA_LINK
> +
> if SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC || SND_SOC_SOF_HDA_AUDIO_CODEC
>
> config SND_SOC_INTEL_SKL_HDA_DSP_GENERIC_MACH
> diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile
> index 6445f90ea542..848a2684535f 100644
> --- a/sound/soc/intel/boards/Makefile
> +++ b/sound/soc/intel/boards/Makefile
> @@ -18,6 +18,7 @@ snd-soc-sst-byt-cht-da7213-objs := bytcht_da7213.o
> snd-soc-sst-byt-cht-es8316-objs := bytcht_es8316.o
> snd-soc-sst-byt-cht-nocodec-objs := bytcht_nocodec.o
> snd-soc-sof_rt5682-objs := sof_rt5682.o
> +snd-soc-cml_rt1011_rt5682-objs := cml_rt1011_rt5682.o
> snd-soc-kbl_da7219_max98357a-objs := kbl_da7219_max98357a.o
> snd-soc-kbl_da7219_max98927-objs := kbl_da7219_max98927.o
> snd-soc-kbl_rt5663_max98927-objs := kbl_rt5663_max98927.o
> @@ -47,6 +48,7 @@ obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_CX2072X_MACH) += snd-soc-sst-byt-cht-cx2072x.
> obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_DA7213_MACH) += snd-soc-sst-byt-cht-da7213.o
> obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_ES8316_MACH) += snd-soc-sst-byt-cht-es8316.o
> obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_NOCODEC_MACH) += snd-soc-sst-byt-cht-nocodec.o
> +obj-$(CONFIG_SND_SOC_INTEL_SOF_CML_RT1011_RT5682_MACH) += cml_rt1011_rt5682.o
> obj-$(CONFIG_SND_SOC_INTEL_KBL_DA7219_MAX98357A_MACH) += snd-soc-kbl_da7219_max98357a.o
> obj-$(CONFIG_SND_SOC_INTEL_KBL_DA7219_MAX98927_MACH) += snd-soc-kbl_da7219_max98927.o
> obj-$(CONFIG_SND_SOC_INTEL_KBL_RT5663_MAX98927_MACH) += snd-soc-kbl_rt5663_max98927.o
> diff --git a/sound/soc/intel/boards/cml_rt1011_rt5682.c b/sound/soc/intel/boards/cml_rt1011_rt5682.c
> new file mode 100644
> index 000000000000..f2837a208341
> --- /dev/null
> +++ b/sound/soc/intel/boards/cml_rt1011_rt5682.c
> @@ -0,0 +1,475 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright(c) 2019 Intel Corporation.
> +
> +/*
> + * Intel Cometlake I2S Machine driver for RT1011 + RT5682 codec
> + */
> +
> +#include <linux/input.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/clk.h>
> +#include <linux/dmi.h>
> +#include <linux/slab.h>
> +#include <asm/cpu_device_id.h>
> +#include <linux/acpi.h>
> +#include <sound/core.h>
> +#include <sound/jack.h>
> +#include <sound/pcm.h>
> +#include <sound/pcm_params.h>
> +#include <sound/soc.h>
> +#include <sound/rt5682.h>
> +#include <sound/soc-acpi.h>
> +#include "../../codecs/rt1011.h"
> +#include "../../codecs/rt5682.h"
> +#include "../../codecs/hdac_hdmi.h"
> +
> +/* The platform clock outputs 24Mhz clock to codec as I2S MCLK */
> +#define CML_PLAT_CLK 24000000
> +#define CML_RT1011_CODEC_DAI "rt1011-aif"
> +#define CML_RT5682_CODEC_DAI "rt5682-aif1"
> +#define NAME_SIZE 32
> +
> +static struct snd_soc_jack hdmi_jack[3];
> +
> +struct hdmi_pcm {
> + struct list_head head;
> + struct snd_soc_dai *codec_dai;
> + int device;
> +};
> +
> +struct card_private {
> + char codec_name[SND_ACPI_I2C_ID_LEN];
> + struct snd_soc_jack headset;
> + struct list_head hdmi_pcm_list;
> +};
> +
> +static const struct snd_kcontrol_new cml_controls[] = {
> + SOC_DAPM_PIN_SWITCH("Headphone Jack"),
> + SOC_DAPM_PIN_SWITCH("Headset Mic"),
> + SOC_DAPM_PIN_SWITCH("TL Ext Spk"),
> + SOC_DAPM_PIN_SWITCH("TR Ext Spk"),
> + SOC_DAPM_PIN_SWITCH("WL Ext Spk"),
> + SOC_DAPM_PIN_SWITCH("WR Ext Spk"),
> +};
> +
> +static const struct snd_soc_dapm_widget cml_rt1011_rt5682_widgets[] = {
> + SND_SOC_DAPM_SPK("TL Ext Spk", NULL),
> + SND_SOC_DAPM_SPK("TR Ext Spk", NULL),
> + SND_SOC_DAPM_SPK("WL Ext Spk", NULL),
> + SND_SOC_DAPM_SPK("WR Ext Spk", NULL),
> + SND_SOC_DAPM_HP("Headphone Jack", NULL),
> + SND_SOC_DAPM_MIC("Headset Mic", NULL),
> + SND_SOC_DAPM_MIC("SoC DMIC", NULL),
> +};
> +
> +static const struct snd_soc_dapm_route cml_rt1011_rt5682_map[] = {
> + /*speaker*/
> + {"TL Ext Spk", NULL, "TL SPO"},
> + {"TR Ext Spk", NULL, "TR SPO"},
> + {"WL Ext Spk", NULL, "WL SPO"},
> + {"WR Ext Spk", NULL, "WR SPO"},
> +
> + /* HP jack connectors - unknown if we have jack detection */
> + { "Headphone Jack", NULL, "HPOL" },
> + { "Headphone Jack", NULL, "HPOR" },
> +
> + /* other jacks */
> + { "IN1P", NULL, "Headset Mic" },
> +
> + /* DMIC */
> + {"DMic", NULL, "SoC DMIC"},
There is some inconsistent spacing around the braces.
> +};
> +
> +static int cml_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
> +{
> + struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
> + struct snd_soc_component *component = rtd->codec_dai->component;
> + struct snd_soc_jack *jack;
> + int ret;
> +
> + /* need to enable ASRC function for 24MHz mclk rate */
> + rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
> + RT5682_AD_STEREO1_FILTER,
> + RT5682_CLK_SEL_I2S1_ASRC);
> +
> + /*
> + * Headset buttons map to the google Reference headset.
> + * These can be configured by userspace.
> + */
> + ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
> + SND_JACK_HEADSET | SND_JACK_BTN_0 |
> + SND_JACK_BTN_1 | SND_JACK_BTN_2 |
> + SND_JACK_BTN_3,
> + &ctx->headset, NULL, 0);
> + if (ret) {
> + dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
> + return ret;
> + }
> +
> + jack = &ctx->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;
> +};
> +
> +static int cml_rt5682_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 clk_id, clk_freq, pll_out, ret;
> +
> + clk_id = RT5682_PLL1_S_MCLK;
> + clk_freq = CML_PLAT_CLK;
> +
> + pll_out = params_rate(params) * 512;
> +
> + ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
> + if (ret < 0)
> + dev_warn(rtd->dev, "snd_soc_dai_set_pll err = %d\n", ret);
> +
> + /* Configure sysclk for codec */
> + ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
> + pll_out, SND_SOC_CLOCK_IN);
> + if (ret < 0)
> + dev_warn(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
> +
> + /*
> + * slot_width should be equal or large than data length, set them
> + * be the same
> + */
> + ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2,
> + params_width(params));
> + if (ret < 0)
> + dev_warn(rtd->dev, "set TDM slot err:%d\n", ret);
> + return ret;
> +}
> +
> +static int cml_rt1011_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;
> + struct snd_soc_card *card = rtd->card;
> + int srate, i, ret = 0;
> +
> + srate = params_rate(params);
> +
> + for (i = 0; i < rtd->num_codecs; i++) {
> + codec_dai = rtd->codec_dais[i];
This looks like candidate for for_each_rtd_codec_dai macro
> +
> + /* 100 Fs to drive 24 bit data */
> + ret = snd_soc_dai_set_pll(codec_dai, 0, RT1011_PLL1_S_BCLK,
> + 100 * srate, 256 * srate);
> + if (ret < 0) {
> + dev_err(card->dev, "codec_dai clock not set\n");
> + return ret;
> + }
> +
> + ret = snd_soc_dai_set_sysclk(codec_dai,
> + RT1011_FS_SYS_PRE_S_PLL1,
> + 256 * srate, SND_SOC_CLOCK_IN);
> + if (ret < 0) {
> + dev_err(card->dev, "codec_dai clock not set\n");
> + return ret;
> + }
> +
> + /*
> + * Codec TDM is configured as 24 bit capture/ playback.
> + * 2 CH PB is done over 4 codecs - 2 Woofers and 2 Tweeters.
> + * The Left woofer and tweeter plays the Left playback data
> + * and similar by the Right.
> + * Hence 2 codecs (1 T and 1 W pair) share same Rx slot.
> + * The feedback is captured for each codec individually.
> + * Hence all 4 codecs use 1 Tx slot each for feedback.
> + */
> + if (!strcmp(codec_dai->component->name, "i2c-10EC1011:00")) {
> + ret = snd_soc_dai_set_tdm_slot(codec_dai,
> + 0x4, 0x1, 4, 24);
> + if (ret < 0)
> + break;
> + }
> + if (!strcmp(codec_dai->component->name, "i2c-10EC1011:02")) {
> + ret = snd_soc_dai_set_tdm_slot(codec_dai,
> + 0x1, 0x1, 4, 24);
> + if (ret < 0)
> + break;
> + }
> + /* TDM Rx slot 2 is used for Right Woofer & Tweeters pair */
> + if (!strcmp(codec_dai->component->name, "i2c-10EC1011:01")) {
> + ret = snd_soc_dai_set_tdm_slot(codec_dai,
> + 0x8, 0x2, 4, 24);
> + if (ret < 0)
> + break;
> + }
> + if (!strcmp(codec_dai->component->name, "i2c-10EC1011:03")) {
> + ret = snd_soc_dai_set_tdm_slot(codec_dai,
> + 0x2, 0x2, 4, 24);
> + if (ret < 0)
> + break;
> + }
> + }
> + if (ret < 0)
> + dev_err(rtd->dev,
> + "set codec TDM slot for %s failed with error %d\n",
> + codec_dai->component->name, ret);
> + return ret;
> +}
> +
> +static struct snd_soc_ops cml_rt5682_ops = {
> + .hw_params = cml_rt5682_hw_params,
> +};
> +
> +static const struct snd_soc_ops cml_rt1011_ops = {
> + .hw_params = cml_rt1011_hw_params,
> +};
> +
> +static int sof_card_late_probe(struct snd_soc_card *card)
> +{
> + struct card_private *ctx = snd_soc_card_get_drvdata(card);
> + struct snd_soc_component *component = NULL;
> + char jack_name[NAME_SIZE];
> + struct hdmi_pcm *pcm;
> + int ret, i = 0;
> +
> + 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);
> + ret = snd_soc_card_jack_new(card, jack_name,
> + SND_JACK_AVOUT, &hdmi_jack[i],
> + NULL, 0);
> + if (ret)
> + return ret;
> +
> + ret = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
> + &hdmi_jack[i]);
> + if (ret < 0)
> + return ret;
> +
> + i++;
> + }
> + if (!component)
> + return -EINVAL;
> +
> + return hdac_hdmi_jack_port_init(component, &card->dapm);
> +}
> +
> +static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
> +{
> + struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
> + struct snd_soc_dai *dai = rtd->codec_dai;
> + struct hdmi_pcm *pcm;
> +
> + pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
> + if (!pcm)
> + return -ENOMEM;
> +
> + pcm->device = dai->id;
> + pcm->codec_dai = dai;
> +
> + list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
> +
> + return 0;
> +}
> +
> +/* Cometlake digital audio interface glue - connects codec <--> CPU */
> +
> +SND_SOC_DAILINK_DEF(ssp0_pin,
> + DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
> +SND_SOC_DAILINK_DEF(ssp0_codec,
> + DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00",
> + CML_RT5682_CODEC_DAI)));
> +
> +SND_SOC_DAILINK_DEF(ssp1_pin,
> + DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
> +SND_SOC_DAILINK_DEF(ssp1_codec,
> + DAILINK_COMP_ARRAY(
> + /* WL */ COMP_CODEC("i2c-10EC1011:00", CML_RT1011_CODEC_DAI),
> + /* WR */ COMP_CODEC("i2c-10EC1011:01", CML_RT1011_CODEC_DAI),
> + /* TL */ COMP_CODEC("i2c-10EC1011:02", CML_RT1011_CODEC_DAI),
> + /* TR */ COMP_CODEC("i2c-10EC1011:03", CML_RT1011_CODEC_DAI)));
> +
> +SND_SOC_DAILINK_DEF(dmic_pin,
> + DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
> +
> +SND_SOC_DAILINK_DEF(dmic16k_pin,
> + DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k 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")));
> +
> +static struct snd_soc_dai_link cml_rt1011_rt5682_dailink[] = {
> + /* Back End DAI links */
> + {
> + /* SSP0 - Codec */
> + .name = "SSP0-Codec",
> + .id = 0,
> + .init = cml_rt5682_codec_init,
> + .ignore_pmdown_time = 1,
> + .ops = &cml_rt5682_ops,
> + .dpcm_playback = 1,
> + .dpcm_capture = 1,
> + .no_pcm = 1,
> + SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
> + },
> + {
> + .name = "dmic01",
> + .id = 1,
> + .ignore_suspend = 1,
> + .dpcm_capture = 1,
> + .no_pcm = 1,
> + SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
> + },
> + {
> + .name = "dmic16k",
> + .id = 2,
> + .ignore_suspend = 1,
> + .dpcm_capture = 1,
> + .no_pcm = 1,
> + SND_SOC_DAILINK_REG(dmic16k_pin, dmic_codec, platform),
> + },
> + {
> + .name = "iDisp1",
> + .id = 3,
> + .init = hdmi_init,
> + .dpcm_playback = 1,
> + .no_pcm = 1,
> + SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
> + },
> + {
> + .name = "iDisp2",
> + .id = 4,
> + .init = hdmi_init,
> + .dpcm_playback = 1,
> + .no_pcm = 1,
> + SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
> + },
> + {
> + .name = "iDisp3",
> + .id = 5,
> + .init = hdmi_init,
> + .dpcm_playback = 1,
> + .no_pcm = 1,
> + SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
> + },
> + {
> + /*
> + * SSP1 - Codec : added to end of list ensuring
> + * reuse of common topologies for other end points
> + * and changing only SSP1's codec
> + */
> + .name = "SSP1-Codec",
> + .id = 6,
> + .dpcm_playback = 1,
> + .dpcm_capture = 1, /* Capture stream provides Feedback */
> + .no_pcm = 1,
> + .ops = &cml_rt1011_ops,
> + SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
> + },
> +};
> +
> +static struct snd_soc_codec_conf rt1011_conf[] = {
> + {
> + .dev_name = "i2c-10EC1011:00",
> + .name_prefix = "WL",
> + },
> + {
> + .dev_name = "i2c-10EC1011:01",
> + .name_prefix = "WR",
> + },
> + {
> + .dev_name = "i2c-10EC1011:02",
> + .name_prefix = "TL",
> + },
> + {
> + .dev_name = "i2c-10EC1011:03",
> + .name_prefix = "TR",
> + },
> +};
> +
> +/* Cometlake audio machine driver for RT1011 and RT5682 */
> +static struct snd_soc_card snd_soc_card_cml = {
> + .name = "cml_rt1011_rt5682",
> + .dai_link = cml_rt1011_rt5682_dailink,
> + .num_links = ARRAY_SIZE(cml_rt1011_rt5682_dailink),
> + .codec_conf = rt1011_conf,
> + .num_configs = ARRAY_SIZE(rt1011_conf),
> + .dapm_widgets = cml_rt1011_rt5682_widgets,
> + .num_dapm_widgets = ARRAY_SIZE(cml_rt1011_rt5682_widgets),
> + .dapm_routes = cml_rt1011_rt5682_map,
> + .num_dapm_routes = ARRAY_SIZE(cml_rt1011_rt5682_map),
> + .controls = cml_controls,
> + .num_controls = ARRAY_SIZE(cml_controls),
> + .fully_routed = true,
> + .late_probe = sof_card_late_probe,
> +};
> +
> +static int snd_cml_rt1011_probe(struct platform_device *pdev)
> +{
> + struct card_private *ctx;
> + struct snd_soc_acpi_mach *mach;
> + const char *platform_name;
> + int ret;
> +
> + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
> + if (!ctx)
> + return -ENOMEM;
> +
> + INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
> + mach = (&pdev->dev)->platform_data;
> + snd_soc_card_cml.dev = &pdev->dev;
> + platform_name = mach->mach_params.platform;
> +
> + /* set platform name for each dailink */
> + ret = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cml,
> + platform_name);
> + if (ret)
> + return ret;
> + snd_soc_card_set_drvdata(&snd_soc_card_cml, ctx);
> +
> + return devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cml);
> +}
> +
> +static struct platform_driver snd_cml_rt1011_rt5682_driver = {
> + .probe = snd_cml_rt1011_probe,
> + .driver = {
> + .name = "cml_rt1011_rt5682",
> + .pm = &snd_soc_pm_ops,
> + },
> +};
> +module_platform_driver(snd_cml_rt1011_rt5682_driver);
> +
> +/* Module information */
> +MODULE_DESCRIPTION("Cometlake Audio Machine driver - RT1011 and RT5682 in I2S mode");
> +MODULE_AUTHOR("Naveen Manohar <naveen.m at intel.com>");
> +MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r at intel.com>");
> +MODULE_AUTHOR("Shuming Fan <shumingf at realtek.com>");
> +MODULE_LICENSE("GPL v2");
> +MODULE_ALIAS("platform:cml_rt1011_rt5682");
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