From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 11 Dec 2023 02:46:07 +0000 Subject: [PATCH] add audio --- kernel/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c | 366 +++++++++++++++++++++++++++++++++++++-------------- 1 files changed, 264 insertions(+), 102 deletions(-) diff --git a/kernel/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c b/kernel/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c index f36e33a..f95546c 100644 --- a/kernel/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c +++ b/kernel/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel Kabylake I2S Machine Driver with MAXIM98927 * RT5514 and RT5663 Codecs @@ -7,15 +8,6 @@ * Modified from: * Intel Kabylake I2S Machine driver supporting MAXIM98927 and * RT5663 codecs - * - * 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/input.h> @@ -26,10 +18,13 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> +#include <sound/soc-acpi.h> #include "../../codecs/rt5514.h" #include "../../codecs/rt5663.h" #include "../../codecs/hdac_hdmi.h" -#include "../skylake/skl.h" +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clkdev.h> #define KBL_REALTEK_CODEC_DAI "rt5663-aif" #define KBL_REALTEK_DMIC_CODEC_DAI "rt5514-aif1" @@ -58,6 +53,8 @@ struct snd_soc_jack kabylake_headset; struct list_head hdmi_pcm_list; struct snd_soc_jack kabylake_hdmi[2]; + struct clk *mclk; + struct clk *sclk; }; enum { @@ -79,6 +76,61 @@ SOC_DAPM_PIN_SWITCH("DMIC"), }; +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 kbl_codec_private *priv = snd_soc_card_get_drvdata(card); + int ret = 0; + + /* + * MCLK/SCLK need to be ON early for a successful synchronization of + * codec internal clock. And the clocks are turned off during + * POST_PMD after the stream is stopped. + */ + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /* Enable MCLK */ + ret = clk_set_rate(priv->mclk, 24000000); + if (ret < 0) { + dev_err(card->dev, "Can't set rate for mclk, err: %d\n", + ret); + return ret; + } + + ret = clk_prepare_enable(priv->mclk); + if (ret < 0) { + dev_err(card->dev, "Can't enable mclk, err: %d\n", ret); + return ret; + } + + /* Enable SCLK */ + ret = clk_set_rate(priv->sclk, 3072000); + if (ret < 0) { + dev_err(card->dev, "Can't set rate for sclk, err: %d\n", + ret); + clk_disable_unprepare(priv->mclk); + return ret; + } + + ret = clk_prepare_enable(priv->sclk); + if (ret < 0) { + dev_err(card->dev, "Can't enable sclk, err: %d\n", ret); + clk_disable_unprepare(priv->mclk); + } + break; + case SND_SOC_DAPM_POST_PMD: + clk_disable_unprepare(priv->mclk); + clk_disable_unprepare(priv->sclk); + break; + default: + return 0; + } + + return 0; +} + static const struct snd_soc_dapm_widget kabylake_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), @@ -87,11 +139,15 @@ SND_SOC_DAPM_MIC("DMIC", NULL), SND_SOC_DAPM_SPK("HDMI1", NULL), SND_SOC_DAPM_SPK("HDMI2", 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 kabylake_map[] = { /* Headphones */ + { "Headphone Jack", NULL, "Platform Clock" }, { "Headphone Jack", NULL, "HPOL" }, { "Headphone Jack", NULL, "HPOR" }, @@ -100,6 +156,7 @@ { "Right Spk", NULL, "Right BE_OUT" }, /* other jacks */ + { "Headset Mic", NULL, "Platform Clock" }, { "IN1P", NULL, "Headset Mic" }, { "IN1N", NULL, "Headset Mic" }, @@ -136,34 +193,20 @@ static struct snd_soc_codec_conf max98927_codec_conf[] = { { - .dev_name = MAXIM_DEV0_NAME, + .dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME), .name_prefix = "Right", }, { - .dev_name = MAXIM_DEV1_NAME, + .dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME), .name_prefix = "Left", }, }; -static struct snd_soc_dai_link_component ssp0_codec_components[] = { - { /* Left */ - .name = MAXIM_DEV0_NAME, - .dai_name = KBL_MAXIM_CODEC_DAI, - }, - { /* Right */ - .name = MAXIM_DEV1_NAME, - .dai_name = KBL_MAXIM_CODEC_DAI, - }, - { /*dmic */ - .name = RT5514_DEV_NAME, - .dai_name = KBL_REALTEK_DMIC_CODEC_DAI, - }, -}; static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dapm_context *dapm; - struct snd_soc_component *component = rtd->cpu_dai->component; + struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component; int ret; dapm = snd_soc_component_get_dapm(component); @@ -178,7 +221,7 @@ { int ret; struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); - struct snd_soc_component *component = rtd->codec_dai->component; + struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; struct snd_soc_jack *jack; /* @@ -212,7 +255,7 @@ 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 = rtd->codec_dai; + struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); struct kbl_hdmi_pcm *pcm; pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); @@ -290,36 +333,59 @@ { struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); - struct snd_interval *channels = hw_param_interval(params, + 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); - struct snd_soc_dpcm *dpcm = container_of( - params, struct snd_soc_dpcm, hw_params); - struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link; - struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link; + struct snd_soc_dpcm *dpcm, *rtd_dpcm = NULL; + + /* + * The following loop will be called only for playback stream + * In this platform, there is only one playback device on every SSP + */ + for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) { + rtd_dpcm = dpcm; + break; + } + + /* + * This following loop will be called only for capture stream + * In this platform, there is only one capture device on every SSP + */ + for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) { + rtd_dpcm = dpcm; + break; + } + + if (!rtd_dpcm) + return -EINVAL; + + /* + * The above 2 loops are mutually exclusive based on the stream direction, + * thus rtd_dpcm variable will never be overwritten + */ /* * The ADSP will convert the FE rate to 48k, stereo, 24 bit */ - if (!strcmp(fe_dai_link->name, "Kbl Audio Port") || - !strcmp(fe_dai_link->name, "Kbl Audio Headset Playback") || - !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) { + if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Port") || + !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Headset Playback") || + !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Capture Port")) { rate->min = rate->max = 48000; - channels->min = channels->max = 2; + chan->min = chan->max = 2; snd_mask_none(fmt); snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); - } else if (!strcmp(fe_dai_link->name, "Kbl Audio DMIC cap")) { + } else if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio DMIC cap")) { if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2) - channels->min = channels->max = 2; + chan->min = chan->max = 2; else - channels->min = channels->max = 4; + chan->min = chan->max = 4; } /* * The speaker on the SSP0 supports S16_LE and not S24_LE. * thus changing the mask here */ - if (!strcmp(be_dai_link->name, "SSP0-Codec")) + if (!strcmp(rtd_dpcm->be->dai_link->name, "SSP0-Codec")) snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); return 0; @@ -328,8 +394,8 @@ static int kabylake_rt5663_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; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); int ret; /* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */ @@ -352,12 +418,11 @@ static int kabylake_ssp0_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_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai; int ret = 0, j; - for (j = 0; j < rtd->num_codecs; j++) { - struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; - + for_each_rtd_codec_dais(rtd, j, codec_dai) { if (!strcmp(codec_dai->component->name, RT5514_DEV_NAME)) { ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16); if (ret < 0) { @@ -434,108 +499,136 @@ .startup = kabylake_dmic_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(system2, + DAILINK_COMP_ARRAY(COMP_CPU("System Pin2"))); + +SND_SOC_DAILINK_DEF(echoref, + DAILINK_COMP_ARRAY(COMP_CPU("Echoref Pin"))); + +SND_SOC_DAILINK_DEF(spi_cpu, + DAILINK_COMP_ARRAY(COMP_CPU("spi-PRP0001:00"))); +SND_SOC_DAILINK_DEF(spi_platform, + DAILINK_COMP_ARRAY(COMP_PLATFORM("spi-PRP0001:00"))); + +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(ssp0_pin, + DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin"))); +SND_SOC_DAILINK_DEF(ssp0_codec, + DAILINK_COMP_ARRAY( + /* Left */ COMP_CODEC(MAXIM_DEV0_NAME, KBL_MAXIM_CODEC_DAI), + /* Right */COMP_CODEC(MAXIM_DEV1_NAME, KBL_MAXIM_CODEC_DAI), + /* dmic */ COMP_CODEC(RT5514_DEV_NAME, KBL_REALTEK_DMIC_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(RT5663_DEV_NAME, KBL_REALTEK_CODEC_DAI))); + +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(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", - .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 = kabylake_rt5663_fe_init, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, .ops = &kabylake_rt5663_fe_ops, + SND_SOC_DAILINK_REG(system, dummy, platform), }, [KBL_DPCM_AUDIO_CP] = { .name = "Kbl 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 = &kabylake_rt5663_fe_ops, + SND_SOC_DAILINK_REG(system, dummy, platform), }, [KBL_DPCM_AUDIO_HS_PB] = { .name = "Kbl Audio Headset Playback", .stream_name = "Headset Audio", - .cpu_dai_name = "System Pin2", - .codec_name = "snd-soc-dummy", - .codec_dai_name = "snd-soc-dummy-dai", - .platform_name = "0000:00:1f.3", .dpcm_playback = 1, .nonatomic = 1, .dynamic = 1, + SND_SOC_DAILINK_REG(system2, dummy, platform), }, [KBL_DPCM_AUDIO_ECHO_REF_CP] = { .name = "Kbl Audio Echo Reference cap", .stream_name = "Echoreference Capture", - .cpu_dai_name = "Echoref Pin", - .codec_name = "snd-soc-dummy", - .codec_dai_name = "snd-soc-dummy-dai", - .platform_name = "0000:00:1f.3", .init = NULL, - .capture_only = 1, + .dpcm_capture = 1, .nonatomic = 1, + SND_SOC_DAILINK_REG(echoref, dummy, platform), }, [KBL_DPCM_AUDIO_RT5514_DSP] = { .name = "rt5514 dsp", .stream_name = "Wake on Voice", - .cpu_dai_name = "spi-PRP0001:00", - .platform_name = "spi-PRP0001:00", - .codec_name = "snd-soc-dummy", - .codec_dai_name = "snd-soc-dummy-dai", + SND_SOC_DAILINK_REG(spi_cpu, dummy, spi_platform), }, [KBL_DPCM_AUDIO_DMIC_CP] = { .name = "Kbl 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 = &kabylake_dmic_ops, + SND_SOC_DAILINK_REG(dmic, dummy, platform), }, [KBL_DPCM_AUDIO_HDMI1_PB] = { .name = "Kbl 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, + SND_SOC_DAILINK_REG(hdmi1, dummy, platform), }, [KBL_DPCM_AUDIO_HDMI2_PB] = { .name = "Kbl 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, + SND_SOC_DAILINK_REG(hdmi2, dummy, platform), }, /* Back End DAI links */ /* single Back end dai for both max speakers and dmic */ @@ -543,11 +636,7 @@ /* SSP0 - Codec */ .name = "SSP0-Codec", .id = 0, - .cpu_dai_name = "SSP0 Pin", - .platform_name = "0000:00:1f.3", .no_pcm = 1, - .codecs = ssp0_codec_components, - .num_codecs = ARRAY_SIZE(ssp0_codec_components), .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, @@ -556,15 +645,12 @@ .dpcm_playback = 1, .dpcm_capture = 1, .ops = &kabylake_ssp0_ops, + SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), }, { .name = "SSP1-Codec", .id = 1, - .cpu_dai_name = "SSP1 Pin", - .platform_name = "0000:00:1f.3", .no_pcm = 1, - .codec_name = RT5663_DEV_NAME, - .codec_dai_name = KBL_REALTEK_CODEC_DAI, .init = kabylake_rt5663_codec_init, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, @@ -573,30 +659,76 @@ .ops = &kabylake_rt5663_ops, .dpcm_playback = 1, .dpcm_capture = 1, + SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform), }, { .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 = kabylake_hdmi1_init, .no_pcm = 1, + SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), }, { .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 = kabylake_hdmi2_init, .dpcm_playback = 1, .no_pcm = 1, + SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), }, }; + +static int kabylake_set_bias_level(struct snd_soc_card *card, + struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) +{ + struct snd_soc_component *component = dapm->component; + struct kbl_codec_private *priv = snd_soc_card_get_drvdata(card); + int ret = 0; + + if (!component || strcmp(component->name, RT5514_DEV_NAME)) + return 0; + + if (IS_ERR(priv->mclk)) + return 0; + + /* + * It's required to control mclk directly in the set_bias_level + * function for rt5514 codec or the recording function could + * break. + */ + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (dapm->bias_level == SND_SOC_BIAS_ON) { + if (!__clk_is_enabled(priv->mclk)) + return 0; + dev_dbg(card->dev, "Disable mclk"); + clk_disable_unprepare(priv->mclk); + } else { + dev_dbg(card->dev, "Enable mclk"); + ret = clk_set_rate(priv->mclk, 24000000); + if (ret) { + dev_err(card->dev, "Can't set rate for mclk, err: %d\n", + ret); + return ret; + } + + ret = clk_prepare_enable(priv->mclk); + if (ret) { + dev_err(card->dev, "Can't enable mclk, err: %d\n", + ret); + + /* mclk is already enabled in FW */ + ret = 0; + } + } + break; + default: + break; + } + + return ret; +} static int kabylake_card_late_probe(struct snd_soc_card *card) { @@ -633,10 +765,11 @@ * kabylake audio machine driver for MAX98927 + RT5514 + RT5663 */ static struct snd_soc_card kabylake_audio_card = { - .name = "kbl_r5514_5663_max", + .name = "kbl-r5514-5663-max", .owner = THIS_MODULE, .dai_link = kabylake_dais, .num_links = ARRAY_SIZE(kabylake_dais), + .set_bias_level = kabylake_set_bias_level, .controls = kabylake_controls, .num_controls = ARRAY_SIZE(kabylake_controls), .dapm_widgets = kabylake_widgets, @@ -652,7 +785,8 @@ static int kabylake_audio_probe(struct platform_device *pdev) { struct kbl_codec_private *ctx; - struct skl_machine_pdata *pdata; + struct snd_soc_acpi_mach *mach; + int ret; ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -663,11 +797,39 @@ kabylake_audio_card.dev = &pdev->dev; snd_soc_card_set_drvdata(&kabylake_audio_card, ctx); - pdata = dev_get_drvdata(&pdev->dev); - if (pdata) - dmic_constraints = pdata->dmic_num == 2 ? + mach = pdev->dev.platform_data; + if (mach) + dmic_constraints = mach->mach_params.dmic_num == 2 ? &constraints_dmic_2ch : &constraints_dmic_channels; + ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk"); + if (IS_ERR(ctx->mclk)) { + ret = PTR_ERR(ctx->mclk); + if (ret == -ENOENT) { + dev_info(&pdev->dev, + "Failed to get ssp1_mclk, defer probe\n"); + return -EPROBE_DEFER; + } + + dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n", + ret); + return ret; + } + + ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk"); + if (IS_ERR(ctx->sclk)) { + ret = PTR_ERR(ctx->sclk); + if (ret == -ENOENT) { + dev_info(&pdev->dev, + "Failed to get ssp1_sclk, defer probe\n"); + return -EPROBE_DEFER; + } + + dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n", + ret); + return ret; + } + return devm_snd_soc_register_card(&pdev->dev, &kabylake_audio_card); } -- Gitblit v1.6.2