Merge "ASoC: msm: add machine driver for kona"
diff --git a/asoc/Kbuild b/asoc/Kbuild
index 17d4d21..59a6e53 100644
--- a/asoc/Kbuild
+++ b/asoc/Kbuild
@@ -84,6 +84,11 @@
MACHINE_OBJS += qcs405.o
endif
+# for KONA sound card driver
+ifdef CONFIG_SND_SOC_KONA
+ MACHINE_OBJS += kona.o
+endif
+
ifdef CONFIG_SND_SOC_CPE
CPE_LSM_OBJS += msm-cpe-lsm.o
endif
@@ -177,6 +182,9 @@
obj-$(CONFIG_SND_SOC_QCS405) += machine_dlkm.o
machine_dlkm-y := $(MACHINE_OBJS)
+obj-$(CONFIG_SND_SOC_KONA) += machine_dlkm.o
+machine_dlkm-y := $(MACHINE_OBJS)
+
obj-$(CONFIG_SND_SOC_CPE) += cpe_lsm_dlkm.o
cpe_lsm_dlkm-y := $(CPE_LSM_OBJS)
diff --git a/asoc/kona.c b/asoc/kona.c
new file mode 100644
index 0000000..0d87725
--- /dev/null
+++ b/asoc/kona.c
@@ -0,0 +1,696 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/of_device.h>
+#include <sound/core.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/info.h>
+#include <dsp/audio_notifier.h>
+#include <dsp/q6afe-v2.h>
+#include <dsp/q6core.h>
+#include "device_event.h"
+#include "msm-pcm-routing-v2.h"
+#include "codecs/wsa881x.h"
+
+#define DRV_NAME "kona-asoc-snd"
+
+#define __CHIPSET__ "KONA "
+#define MSM_DAILINK_NAME(name) (__CHIPSET__#name)
+
+#define SAMPLING_RATE_8KHZ 8000
+#define SAMPLING_RATE_16KHZ 16000
+
+struct msm_asoc_mach_data {
+ u32 mclk_freq;
+ struct snd_info_entry *codec_root;
+};
+
+struct dev_config {
+ u32 sample_rate;
+ u32 bit_format;
+ u32 channels;
+};
+
+enum {
+ PRIM_AUX_PCM = 0,
+};
+
+static const char *const auxpcm_rate_text[] = {"KHZ_8", "KHZ_16"};
+static char const *bit_format_text[] = {"S16_LE", "S24_LE", "S24_3LE",
+ "S32_LE"};
+
+/* Default configuration of aux pcm channels */
+static struct dev_config aux_pcm_rx_cfg[] = {
+ [PRIM_AUX_PCM] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+};
+
+static struct dev_config aux_pcm_tx_cfg[] = {
+ [PRIM_AUX_PCM] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+};
+
+static SOC_ENUM_SINGLE_EXT_DECL(prim_aux_pcm_rx_sample_rate, auxpcm_rate_text);
+static SOC_ENUM_SINGLE_EXT_DECL(prim_aux_pcm_tx_sample_rate, auxpcm_rate_text);
+static SOC_ENUM_SINGLE_EXT_DECL(aux_pcm_rx_format, bit_format_text);
+static SOC_ENUM_SINGLE_EXT_DECL(aux_pcm_tx_format, bit_format_text);
+
+static inline int param_is_mask(int p)
+{
+ return (p >= SNDRV_PCM_HW_PARAM_FIRST_MASK) &&
+ (p <= SNDRV_PCM_HW_PARAM_LAST_MASK);
+}
+
+static inline struct snd_mask *param_to_mask(struct snd_pcm_hw_params *p,
+ int n)
+{
+ return &(p->masks[n - SNDRV_PCM_HW_PARAM_FIRST_MASK]);
+}
+
+static void param_set_mask(struct snd_pcm_hw_params *p, int n,
+ unsigned int bit)
+{
+ if (bit >= SNDRV_MASK_MAX)
+ return;
+ if (param_is_mask(n)) {
+ struct snd_mask *m = param_to_mask(p, n);
+
+ m->bits[0] = 0;
+ m->bits[1] = 0;
+ m->bits[bit >> 5] |= (1 << (bit & 31));
+ }
+}
+
+static int aux_pcm_get_port_idx(struct snd_kcontrol *kcontrol)
+{
+ int idx = 0;
+
+ if (strnstr(kcontrol->id.name, "PRIM_AUX_PCM",
+ sizeof("PRIM_AUX_PCM"))) {
+ idx = PRIM_AUX_PCM;
+ } else {
+ pr_err("%s: unsupported port: %s\n",
+ __func__, kcontrol->id.name);
+ idx = -EINVAL;
+ }
+
+ return idx;
+}
+
+static int aux_pcm_get_format(int value)
+{
+ int format = 0;
+
+ switch (value) {
+ case 1:
+ format = SNDRV_PCM_FORMAT_S24_LE;
+ break;
+ case 2:
+ format = SNDRV_PCM_FORMAT_S24_3LE;
+ break;
+ case 3:
+ format = SNDRV_PCM_FORMAT_S32_LE;
+ break;
+ case 0:
+ default:
+ format = SNDRV_PCM_FORMAT_S16_LE;
+ break;
+ }
+ return format;
+}
+
+static int auxpcm_get_format_value(int format)
+{
+ int value = 0;
+
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S24_LE:
+ value = 1;
+ break;
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ value = 2;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ value = 3;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ default:
+ value = 0;
+ break;
+ }
+ return value;
+}
+
+static int aux_pcm_get_sample_rate(int value)
+{
+ int sample_rate = 0;
+
+ switch (value) {
+ case 1:
+ sample_rate = SAMPLING_RATE_16KHZ;
+ break;
+ case 0:
+ default:
+ sample_rate = SAMPLING_RATE_8KHZ;
+ break;
+ }
+ return sample_rate;
+}
+
+static int aux_pcm_get_sample_rate_val(int sample_rate)
+{
+ int sample_rate_val = 0;
+
+ switch (sample_rate) {
+ case SAMPLING_RATE_16KHZ:
+ sample_rate_val = 1;
+ break;
+ case SAMPLING_RATE_8KHZ:
+ default:
+ sample_rate_val = 0;
+ break;
+ }
+ return sample_rate_val;
+}
+
+static int msm_aux_pcm_rx_format_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ ucontrol->value.enumerated.item[0] =
+ auxpcm_get_format_value(aux_pcm_rx_cfg[idx].bit_format);
+
+ pr_debug("%s: idx[%d]_rx_format = %d, item = %d\n", __func__,
+ idx, aux_pcm_rx_cfg[idx].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int msm_aux_pcm_rx_format_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ aux_pcm_rx_cfg[idx].bit_format =
+ aux_pcm_get_format(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: idx[%d]_rx_format = %d, item = %d\n", __func__,
+ idx, aux_pcm_rx_cfg[idx].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int msm_aux_pcm_tx_format_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ ucontrol->value.enumerated.item[0] =
+ auxpcm_get_format_value(aux_pcm_tx_cfg[idx].bit_format);
+
+ pr_debug("%s: idx[%d]_tx_format = %d, item = %d\n", __func__,
+ idx, aux_pcm_tx_cfg[idx].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int msm_aux_pcm_tx_format_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ aux_pcm_tx_cfg[idx].bit_format =
+ aux_pcm_get_format(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: idx[%d]_tx_format = %d, item = %d\n", __func__,
+ idx, aux_pcm_tx_cfg[idx].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int aux_pcm_rx_sample_rate_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ aux_pcm_rx_cfg[idx].sample_rate =
+ aux_pcm_get_sample_rate(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: idx[%d]_rx_sample_rate = %d, item = %d\n", __func__,
+ idx, aux_pcm_rx_cfg[idx].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int aux_pcm_rx_sample_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ ucontrol->value.enumerated.item[0] =
+ aux_pcm_get_sample_rate_val(aux_pcm_rx_cfg[idx].sample_rate);
+
+ pr_debug("%s: idx[%d]_rx_sample_rate = %d, item = %d\n", __func__,
+ idx, aux_pcm_rx_cfg[idx].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int aux_pcm_tx_sample_rate_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ aux_pcm_tx_cfg[idx].sample_rate =
+ aux_pcm_get_sample_rate(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: idx[%d]_tx_sample_rate = %d, item = %d\n", __func__,
+ idx, aux_pcm_tx_cfg[idx].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int aux_pcm_tx_sample_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int idx = aux_pcm_get_port_idx(kcontrol);
+
+ if (idx < 0)
+ return idx;
+
+ ucontrol->value.enumerated.item[0] =
+ aux_pcm_get_sample_rate_val(aux_pcm_tx_cfg[idx].sample_rate);
+
+ pr_debug("%s: idx[%d]_tx_sample_rate = %d, item = %d\n", __func__,
+ idx, aux_pcm_tx_cfg[idx].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new msm_snd_controls[] = {
+ SOC_ENUM_EXT("PRIM_AUX_PCM_RX Format", aux_pcm_rx_format,
+ msm_aux_pcm_rx_format_get, msm_aux_pcm_rx_format_put),
+ SOC_ENUM_EXT("PRIM_AUX_PCM_TX Format", aux_pcm_tx_format,
+ msm_aux_pcm_tx_format_get, msm_aux_pcm_tx_format_put),
+ SOC_ENUM_EXT("PRIM_AUX_PCM_RX SampleRate", prim_aux_pcm_rx_sample_rate,
+ aux_pcm_rx_sample_rate_get,
+ aux_pcm_rx_sample_rate_put),
+ SOC_ENUM_EXT("PRIM_AUX_PCM_TX SampleRate", prim_aux_pcm_tx_sample_rate,
+ aux_pcm_tx_sample_rate_get,
+ aux_pcm_tx_sample_rate_put),
+};
+
+static int msm_populate_dai_link_component_of_node(
+ struct snd_soc_card *card)
+{
+ int i, index, ret = 0;
+ struct device *cdev = card->dev;
+ struct snd_soc_dai_link *dai_link = card->dai_link;
+ struct device_node *np;
+
+ if (!cdev) {
+ dev_err(cdev, "%s: Sound card device memory NULL\n", __func__);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < card->num_links; i++) {
+ if (dai_link[i].platform_of_node && dai_link[i].cpu_of_node)
+ continue;
+
+ /* populate platform_of_node for snd card dai links */
+ if (dai_link[i].platform_name &&
+ !dai_link[i].platform_of_node) {
+ index = of_property_match_string(cdev->of_node,
+ "asoc-platform-names",
+ dai_link[i].platform_name);
+ if (index < 0) {
+ dev_err(cdev, "%s: No match found for platform name: %s\n",
+ __func__, dai_link[i].platform_name);
+ ret = index;
+ goto err;
+ }
+ np = of_parse_phandle(cdev->of_node, "asoc-platform",
+ index);
+ if (!np) {
+ dev_err(cdev, "%s: retrieving phandle for platform %s, index %d failed\n",
+ __func__, dai_link[i].platform_name,
+ index);
+ ret = -ENODEV;
+ goto err;
+ }
+ dai_link[i].platform_of_node = np;
+ dai_link[i].platform_name = NULL;
+ }
+
+ /* populate cpu_of_node for snd card dai links */
+ if (dai_link[i].cpu_dai_name && !dai_link[i].cpu_of_node) {
+ index = of_property_match_string(cdev->of_node,
+ "asoc-cpu-names",
+ dai_link[i].cpu_dai_name);
+ if (index >= 0) {
+ np = of_parse_phandle(cdev->of_node, "asoc-cpu",
+ index);
+ if (!np) {
+ dev_err(cdev, "%s: retrieving phandle for cpu dai %s failed\n",
+ __func__,
+ dai_link[i].cpu_dai_name);
+ ret = -ENODEV;
+ goto err;
+ }
+ dai_link[i].cpu_of_node = np;
+ dai_link[i].cpu_dai_name = NULL;
+ }
+ }
+
+ /* populate codec_of_node for snd card dai links */
+ if (dai_link[i].codec_name && !dai_link[i].codec_of_node) {
+ index = of_property_match_string(cdev->of_node,
+ "asoc-codec-names",
+ dai_link[i].codec_name);
+ if (index < 0)
+ continue;
+ np = of_parse_phandle(cdev->of_node, "asoc-codec",
+ index);
+ if (!np) {
+ dev_err(cdev, "%s: retrieving phandle for codec %s failed\n",
+ __func__, dai_link[i].codec_name);
+ ret = -ENODEV;
+ goto err;
+ }
+ dai_link[i].codec_of_node = np;
+ dai_link[i].codec_name = NULL;
+ }
+ }
+
+err:
+ return ret;
+}
+
+static int msm_audrx_stub_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret = -EINVAL;
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, "msm-stub-codec");
+
+ if (!component) {
+ pr_err("* %s: No match for msm-stub-codec component\n", __func__);
+ return ret;
+ }
+
+ ret = snd_soc_add_component_controls(component, msm_snd_controls,
+ ARRAY_SIZE(msm_snd_controls));
+ if (ret < 0) {
+ dev_err(component->dev,
+ "%s: add_codec_controls failed, err = %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int msm_snd_stub_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ return 0;
+}
+
+static int msm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
+ 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);
+ int rc = 0;
+
+ pr_debug("%s: format = %d, rate = %d\n",
+ __func__, params_format(params), params_rate(params));
+
+ switch (dai_link->id) {
+ case MSM_BACKEND_DAI_AUXPCM_RX:
+ param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
+ aux_pcm_rx_cfg[PRIM_AUX_PCM].bit_format);
+ rate->min = rate->max =
+ aux_pcm_rx_cfg[PRIM_AUX_PCM].sample_rate;
+ channels->min = channels->max =
+ aux_pcm_rx_cfg[PRIM_AUX_PCM].channels;
+ break;
+ case MSM_BACKEND_DAI_AUXPCM_TX:
+ param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
+ aux_pcm_tx_cfg[PRIM_AUX_PCM].bit_format);
+ rate->min = rate->max =
+ aux_pcm_tx_cfg[PRIM_AUX_PCM].sample_rate;
+ channels->min = channels->max =
+ aux_pcm_tx_cfg[PRIM_AUX_PCM].channels;
+ break;
+ default:
+ rate->min = rate->max = SAMPLING_RATE_8KHZ;
+ break;
+ }
+
+ return rc;
+}
+
+static struct snd_soc_ops msm_stub_be_ops = {
+ .hw_params = msm_snd_stub_hw_params,
+};
+
+struct snd_soc_card snd_soc_card_stub_msm = {
+ .name = "kona-stub-snd-card",
+};
+
+static struct snd_soc_dai_link msm_stub_fe_dai_links[] = {
+ /* FrontEnd DAI Links */
+ {
+ .name = "MSMSTUB Media1",
+ .stream_name = "MultiMedia1",
+ .cpu_dai_name = "MultiMedia1",
+ .platform_name = "msm-pcm-dsp.0",
+ .dynamic = 1,
+ .async_ops = ASYNC_DPCM_SND_SOC_PREPARE,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST},
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .codec_name = "snd-soc-dummy",
+ .ignore_suspend = 1,
+ /* this dainlink has playback support */
+ .ignore_pmdown_time = 1,
+ .id = MSM_FRONTEND_DAI_MULTIMEDIA1
+ },
+};
+
+static struct snd_soc_dai_link msm_stub_be_dai_links[] = {
+ /* Backend DAI Links */
+ {
+ .name = LPASS_BE_AUXPCM_RX,
+ .stream_name = "AUX PCM Playback",
+ .cpu_dai_name = "msm-dai-q6-auxpcm.1",
+ .platform_name = "msm-pcm-routing",
+ .codec_name = "msm-stub-codec.1",
+ .codec_dai_name = "msm-stub-rx",
+ .no_pcm = 1,
+ .dpcm_playback = 1,
+ .id = MSM_BACKEND_DAI_AUXPCM_RX,
+ .init = &msm_audrx_stub_init,
+ .be_hw_params_fixup = msm_be_hw_params_fixup,
+ .ignore_pmdown_time = 1,
+ .ignore_suspend = 1,
+ .ops = &msm_stub_be_ops,
+ },
+ {
+ .name = LPASS_BE_AUXPCM_TX,
+ .stream_name = "AUX PCM Capture",
+ .cpu_dai_name = "msm-dai-q6-auxpcm.1",
+ .platform_name = "msm-pcm-routing",
+ .codec_name = "msm-stub-codec.1",
+ .codec_dai_name = "msm-stub-tx",
+ .no_pcm = 1,
+ .dpcm_capture = 1,
+ .id = MSM_BACKEND_DAI_AUXPCM_TX,
+ .be_hw_params_fixup = msm_be_hw_params_fixup,
+ .ignore_suspend = 1,
+ .ops = &msm_stub_be_ops,
+ },
+};
+
+static struct snd_soc_dai_link msm_stub_dai_links[
+ ARRAY_SIZE(msm_stub_fe_dai_links) +
+ ARRAY_SIZE(msm_stub_be_dai_links)];
+
+static const struct of_device_id kona_asoc_machine_of_match[] = {
+ { .compatible = "qcom,kona-asoc-snd-stub",
+ .data = "stub_codec"},
+ {},
+};
+
+static struct snd_soc_card *populate_snd_card_dailinks(struct device *dev)
+{
+ struct snd_soc_card *card = NULL;
+ struct snd_soc_dai_link *dailink;
+ int len_1, len_2;
+ int total_links;
+ const struct of_device_id *match;
+
+ match = of_match_node(kona_asoc_machine_of_match, dev->of_node);
+ if (!match) {
+ dev_err(dev, "%s: No DT match found for sound card\n",
+ __func__);
+ return NULL;
+ }
+
+ if (!strcmp(match->data, "stub_codec")) {
+ card = &snd_soc_card_stub_msm;
+ len_1 = ARRAY_SIZE(msm_stub_fe_dai_links);
+ len_2 = len_1 + ARRAY_SIZE(msm_stub_be_dai_links);
+
+ memcpy(msm_stub_dai_links,
+ msm_stub_fe_dai_links,
+ sizeof(msm_stub_fe_dai_links));
+ memcpy(msm_stub_dai_links + len_1,
+ msm_stub_be_dai_links,
+ sizeof(msm_stub_be_dai_links));
+
+ dailink = msm_stub_dai_links;
+ total_links = len_2;
+ }
+
+ if (card) {
+ card->dai_link = dailink;
+ card->num_links = total_links;
+ }
+
+ return card;
+}
+
+static int msm_asoc_machine_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card;
+ struct msm_asoc_mach_data *pdata;
+ const struct of_device_id *match;
+ int ret;
+
+ if (!pdev->dev.of_node) {
+ dev_err(&pdev->dev, "%s: No platform supplied from device tree\n", __func__);
+ return -EINVAL;
+ }
+
+ pdata = devm_kzalloc(&pdev->dev,
+ sizeof(struct msm_asoc_mach_data), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ card = populate_snd_card_dailinks(&pdev->dev);
+ if (!card) {
+ dev_err(&pdev->dev, "%s: Card uninitialized\n", __func__);
+ ret = -EINVAL;
+ goto err;
+ }
+ card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+ snd_soc_card_set_drvdata(card, pdata);
+
+ ret = snd_soc_of_parse_card_name(card, "qcom,model");
+ if (ret) {
+ dev_err(&pdev->dev, "%s: parse card name failed, err:%d\n",
+ __func__, ret);
+ goto err;
+ }
+
+ match = of_match_node(kona_asoc_machine_of_match,
+ pdev->dev.of_node);
+ if (!match) {
+ dev_err(&pdev->dev, "%s: no matched codec is found.\n",
+ __func__);
+ goto err;
+ }
+
+ ret = msm_populate_dai_link_component_of_node(card);
+ if (ret) {
+ ret = -EPROBE_DEFER;
+ goto err;
+ }
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret) {
+ dev_err(&pdev->dev, "%s: snd_soc_register_card failed (%d)\n",
+ __func__, ret);
+ goto err;
+ }
+ dev_info(&pdev->dev, "%s: Sound card %s registered\n",
+ __func__, card->name);
+
+ return 0;
+err:
+ devm_kfree(&pdev->dev, pdata);
+ return ret;
+}
+
+static int msm_asoc_machine_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+ return 0;
+}
+
+static struct platform_driver kona_asoc_machine_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = kona_asoc_machine_of_match,
+ },
+ .probe = msm_asoc_machine_probe,
+ .remove = msm_asoc_machine_remove,
+};
+module_platform_driver(kona_asoc_machine_driver);
+
+MODULE_DESCRIPTION("ALSA SoC msm");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, kona_asoc_machine_of_match);