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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Puneeth Prabhu <puneethx.prabhu@intel.com>
Date: Wed, 31 Jan 2018 12:31:27 +0530
Subject: [PATCH] ASoC: Intel: Boards: Add machine driver for Kabylake R
This patch adds I2S machine driver for Kabylake R platform
which makes use of ALC298 codec.
Change-Id: I46b931b4f6f1c144c82bce8d03c3dafa635ac3d1
Signed-off-by: Puneeth Prabhu <puneethx.prabhu@intel.com>
Reviewed-on:
Reviewed-by: Kale, Sanyog R <sanyog.r.kale@intel.com>
Tested-by: Madiwalar, MadiwalappaX <madiwalappax.madiwalar@intel.com>
---
sound/soc/intel/boards/Kconfig | 13 +
sound/soc/intel/boards/Makefile | 2 +
sound/soc/intel/boards/kblr_rt298.c | 549 ++++++++++++++++++++++++++++
3 files changed, 564 insertions(+)
create mode 100644 sound/soc/intel/boards/kblr_rt298.c
diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
index 45b1d5a03ed0..44eac7c32e9b 100644
--- a/sound/soc/intel/boards/Kconfig
+++ b/sound/soc/intel/boards/Kconfig
@@ -369,6 +369,19 @@ config SND_SOC_INTEL_BXT_ULL_MACH
platform.
Say Y or m if you have such a device. This is a recommended option.
If unsure select "N".
+
+config SND_SOC_INTEL_KBLR_RT298_MACH
+ tristate "ASoC Audio driver for KBL-R with RT298 I2S mode"
+ depends on X86 && ACPI && I2C
+ depends on SND_SOC_INTEL_SKYLAKE
+ select SND_SOC_RT298
+ select SND_SOC_DMIC
+ select SND_SOC_HDAC_HDMI
+ help
+ This adds support for ASoC machine driver for Kabylake-R platform
+ with RT298 I2S audio codec.
+ Say Y if you have such a device.
+ If unsure select "N".
endif ## SND_SOC_INTEL_SKYLAKE
endif ## SND_SOC_INTEL_MACH
diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile
index 9a77052f0469..f255f7ab0960 100644
--- a/sound/soc/intel/boards/Makefile
+++ b/sound/soc/intel/boards/Makefile
@@ -29,6 +29,7 @@ snd-soc-cnl_cs42l42-objs := cnl_cs42l42.o
snd-soc-cnl_rt700-objs := cnl_rt700.o
snd-soc-cnl_svfpga-objs := cnl_svfpga.o
snd-soc-bxt_ivi_ull-objs := bxt_ivi_ull.o
+snd-soc-kblr_rt298-objs := kblr_rt298.o
obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
obj-$(CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH) += snd-soc-sst-byt-rt5640-mach.o
@@ -60,3 +61,4 @@ obj-$(CONFIG_SND_SOC_INTEL_CNL_CS42L42_MACH) += snd-soc-cnl_cs42l42.o
obj-$(CONFIG_SND_SOC_INTEL_CNL_RT700_MACH) += snd-soc-cnl_rt700.o
obj-$(CONFIG_SND_SOC_INTEL_CNL_SVFPGA_MACH) += snd-soc-cnl_svfpga.o
obj-$(CONFIG_SND_SOC_INTEL_BXT_ULL_MACH) += snd-soc-bxt_ivi_ull.o
+obj-$(CONFIG_SND_SOC_INTEL_KBLR_RT298_MACH) += snd-soc-kblr_rt298.o
diff --git a/sound/soc/intel/boards/kblr_rt298.c b/sound/soc/intel/boards/kblr_rt298.c
new file mode 100644
index 000000000000..1007e0239bb9
--- /dev/null
+++ b/sound/soc/intel/boards/kblr_rt298.c
@@ -0,0 +1,549 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2017-18 Intel Corporation
+
+/*
+ * kblr_rt298.c -Intel Kabylake-R I2S Machine Driver
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include "../../codecs/rt298.h"
+#include "../../codecs/hdac_hdmi.h"
+
+static struct snd_soc_jack kabylake_headset;
+static struct snd_soc_jack kabylake_hdmi[3];
+
+struct kbl_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+struct kbl_rt298_private {
+ struct list_head hdmi_pcm_list;
+};
+
+enum {
+ SKL_DPCM_AUDIO_PB = 0,
+ SKL_DPCM_AUDIO_DB_PB,
+ 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,
+};
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin kabylake_headset_pins[] = {
+ {
+ .pin = "Mic Jack",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headphone Jack",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+
+static const struct snd_kcontrol_new kabylake_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+ SOC_DAPM_PIN_SWITCH("Mic Jack"),
+};
+
+static const struct snd_soc_dapm_widget kabylake_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_MIC("DMIC2", 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),
+};
+
+static const struct snd_soc_dapm_route kabylake_rt298_map[] = {
+ /* speaker */
+ {"Speaker", NULL, "SPOR"},
+ {"Speaker", NULL, "SPOL"},
+
+ /* HP jack connectors - unknown if we have jack detect */
+ {"Headphone Jack", NULL, "HPO Pin"},
+
+ /* other jacks */
+ {"MIC1", NULL, "Mic Jack"},
+
+ /* digital mics */
+ {"DMIC1 Pin", NULL, "DMIC2"},
+ {"DMic", NULL, "SoC DMIC"},
+
+ /* CODEC BE connections */
+ { "AIF1 Playback", NULL, "ssp0 Tx"},
+ { "ssp0 Tx", NULL, "codec0_out"},
+ { "ssp0 Tx", NULL, "codec1_out"},
+
+ { "codec0_in", NULL, "ssp0 Rx" },
+ { "codec1_in", NULL, "ssp0 Rx" },
+ { "ssp0 Rx", NULL, "AIF1 Capture" },
+
+ { "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"},
+
+};
+
+static int kabylake_rt298_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 int kabylake_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *codec = rtd->codec_dai->component;
+ int ret;
+
+ ret = snd_soc_card_jack_new(rtd->card, "Headset",
+ SND_JACK_HEADSET | SND_JACK_BTN_0,
+ &kabylake_headset,
+ kabylake_headset_pins, ARRAY_SIZE(kabylake_headset_pins));
+
+ if (ret)
+ return ret;
+
+ rt298_mic_detect(codec, &kabylake_headset);
+ snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
+
+ return 0;
+}
+
+static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct kbl_rt298_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = rtd->codec_dai;
+ struct kbl_hdmi_pcm *pcm;
+
+ pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return -ENOMEM;
+
+ pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
+ pcm->codec_dai = dai;
+
+ list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+ 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[] = {
+ 2,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_channels = {
+ .count = ARRAY_SIZE(channels),
+ .list = channels,
+ .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 = 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 kabylake_rt298_fe_ops = {
+ .startup = kbl_fe_startup,
+};
+
+static int kabylake_ssp0_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 output is 48KHz, stereo, 16bits */
+ 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 kabylake_rt298_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, RT298_SCLK_S_PLL, 24000000,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
+
+ return ret;
+}
+
+static const struct snd_soc_ops kabylake_rt298_ops = {
+ .hw_params = kabylake_rt298_hw_params,
+};
+
+static int kabylake_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 const unsigned int channels_dmic[] = {
+ 2, 4,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
+ .count = ARRAY_SIZE(channels_dmic),
+ .list = channels_dmic,
+ .mask = 0,
+};
+
+static int kabylake_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 const struct snd_soc_ops kabylake_dmic_ops = {
+ .startup = kabylake_dmic_startup,
+};
+
+/* kabylake digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link kabylake_rt298_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",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .init = kabylake_rt298_fe_init,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST
+ },
+ .dpcm_playback = 1,
+ .ops = &kabylake_rt298_fe_ops,
+ },
+ [SKL_DPCM_AUDIO_DB_PB] = {
+ .name = "Skl Deepbuffer Port",
+ .stream_name = "Deep Buffer Audio",
+ .cpu_dai_name = "Deepbuffer Pin",
+ .platform_name = "0000:00:1f.3",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST
+ },
+ .dpcm_playback = 1,
+ .ops = &kabylake_rt298_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",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST
+ },
+ .dpcm_capture = 1,
+ .ops = &kabylake_rt298_fe_ops,
+ },
+ [SKL_DPCM_AUDIO_REF_CP] = {
+ .name = "Skl Audio Reference cap",
+ .stream_name = "refcap",
+ .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,
+ },
+ [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 = &kabylake_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,
+ .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,
+ .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",
+ .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 = "i2c-INT343A:00",
+ .codec_dai_name = "rt298-aif1",
+ .init = kabylake_rt298_codec_init,
+ .dai_fmt = SND_SOC_DAIFMT_DSP_A |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ignore_pmdown_time = 1,
+ .be_hw_params_fixup = kabylake_ssp0_fixup,
+ .ops = &kabylake_rt298_ops,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "dmic01",
+ .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 = kabylake_dmic_fixup,
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp1",
+ .id = 2,
+ .cpu_dai_name = "iDisp1 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi1",
+ .platform_name = "0000:00:1f.3",
+ .init = kabylake_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp2",
+ .id = 3,
+ .cpu_dai_name = "iDisp2 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi2",
+ .platform_name = "0000:00:1f.3",
+ .init = kabylake_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp3",
+ .id = 4,
+ .cpu_dai_name = "iDisp3 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi3",
+ .platform_name = "0000:00:1f.3",
+ .init = kabylake_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+};
+
+#define NAME_SIZE 32
+static int kabylake_card_late_probe(struct snd_soc_card *card)
+{
+ struct kbl_rt298_private *ctx = snd_soc_card_get_drvdata(card);
+ struct kbl_hdmi_pcm *pcm;
+ struct snd_soc_component *codec = NULL;
+ int err, i = 0;
+ char jack_name[NAME_SIZE];
+
+ list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
+ codec = 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, &kabylake_hdmi[i],
+ NULL, 0);
+
+ if (err)
+ return err;
+
+ err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
+ &kabylake_hdmi[i]);
+ if (err < 0)
+ return err;
+
+ i++;
+ }
+
+ if (!codec)
+ return -EINVAL;
+
+ return hdac_hdmi_jack_port_init(codec, &card->dapm);
+}
+
+/* kabylake audio machine driver for SPT + RT298S */
+static struct snd_soc_card kabylake_rt298 = {
+ .name = "kabylake-rt298",
+ .owner = THIS_MODULE,
+ .dai_link = kabylake_rt298_dais,
+ .num_links = ARRAY_SIZE(kabylake_rt298_dais),
+ .controls = kabylake_controls,
+ .num_controls = ARRAY_SIZE(kabylake_controls),
+ .dapm_widgets = kabylake_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
+ .dapm_routes = kabylake_rt298_map,
+ .num_dapm_routes = ARRAY_SIZE(kabylake_rt298_map),
+ .fully_routed = true,
+ .late_probe = kabylake_card_late_probe,
+};
+
+static int kabylake_audio_probe(struct platform_device *pdev)
+{
+ struct kbl_rt298_private *ctx;
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
+ if (!ctx)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+
+ kabylake_rt298.dev = &pdev->dev;
+ snd_soc_card_set_drvdata(&kabylake_rt298, ctx);
+
+ return devm_snd_soc_register_card(&pdev->dev, &kabylake_rt298);
+}
+
+static const struct platform_device_id kbl_board_ids[] = {
+ { .name = "kblr_alc298s_i2s" },
+ { }
+};
+
+static struct platform_driver kabylake_audio = {
+ .probe = kabylake_audio_probe,
+ .driver = {
+ .name = "kblr_alc298s_i2s",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = kbl_board_ids,
+
+};
+
+module_platform_driver(kabylake_audio)
+
+/* Module information */
+MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
+MODULE_AUTHOR("Puneeth Prabhu <puneethx.prabhu@intel.com>");
+MODULE_DESCRIPTION("Intel SST Audio for Kabylake");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:kblr_alc298s_i2s");
--
https://clearlinux.org
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