--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+#include <linux/extcon.h>
+#include <linux/iio/consumer.h>
+#include <linux/iio/iio.h>
+#include <linux/input-event-codes.h>
+#include <linux/mfd/wm8994/registers.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/consumer.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "i2s.h"
+#include "../codecs/wm8994.h"
+
+#define ARIES_MCLK1_FREQ 24000000
+
+struct aries_wm8994_variant {
+ unsigned int modem_dai_fmt;
+ bool has_fm_radio;
+};
+
+struct aries_wm8994_data {
+ struct extcon_dev *usb_extcon;
+ struct regulator *reg_main_micbias;
+ struct regulator *reg_headset_micbias;
+ struct gpio_desc *gpio_headset_detect;
+ struct gpio_desc *gpio_headset_key;
+ struct gpio_desc *gpio_earpath_sel;
+ struct iio_channel *adc;
+ const struct aries_wm8994_variant *variant;
+};
+
+/* USB dock */
+static struct snd_soc_jack aries_dock;
+
+static struct snd_soc_jack_pin dock_pins[] = {
+ {
+ .pin = "LINE",
+ .mask = SND_JACK_LINEOUT,
+ },
+};
+
+static int aries_extcon_notifier(struct notifier_block *this,
+ unsigned long connected, void *_cmd)
+{
+ if (connected)
+ snd_soc_jack_report(&aries_dock, SND_JACK_LINEOUT,
+ SND_JACK_LINEOUT);
+ else
+ snd_soc_jack_report(&aries_dock, 0, SND_JACK_LINEOUT);
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block aries_extcon_notifier_block = {
+ .notifier_call = aries_extcon_notifier,
+};
+
+/* Headset jack */
+static struct snd_soc_jack aries_headset;
+
+static struct snd_soc_jack_pin jack_pins[] = {
+ {
+ .pin = "HP",
+ .mask = SND_JACK_HEADPHONE,
+ }, {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static struct snd_soc_jack_zone headset_zones[] = {
+ {
+ .min_mv = 0,
+ .max_mv = 241,
+ .jack_type = SND_JACK_HEADPHONE,
+ }, {
+ .min_mv = 242,
+ .max_mv = 2980,
+ .jack_type = SND_JACK_HEADSET,
+ }, {
+ .min_mv = 2981,
+ .max_mv = UINT_MAX,
+ .jack_type = SND_JACK_HEADPHONE,
+ },
+};
+
+static irqreturn_t headset_det_irq_thread(int irq, void *data)
+{
+ struct aries_wm8994_data *priv = (struct aries_wm8994_data *) data;
+ int ret = 0;
+ int time_left_ms = 300;
+ int adc;
+
+ while (time_left_ms > 0) {
+ if (!gpiod_get_value(priv->gpio_headset_detect)) {
+ snd_soc_jack_report(&aries_headset, 0,
+ SND_JACK_HEADSET);
+ gpiod_set_value(priv->gpio_earpath_sel, 0);
+ return IRQ_HANDLED;
+ }
+ msleep(20);
+ time_left_ms -= 20;
+ }
+
+ /* Temporarily enable micbias and earpath selector */
+ ret = regulator_enable(priv->reg_headset_micbias);
+ if (ret)
+ pr_err("%s failed to enable micbias: %d", __func__, ret);
+
+ gpiod_set_value(priv->gpio_earpath_sel, 1);
+
+ ret = iio_read_channel_processed(priv->adc, &adc);
+ if (ret < 0) {
+ /* failed to read ADC, so assume headphone */
+ pr_err("%s failed to read ADC, assuming headphones", __func__);
+ snd_soc_jack_report(&aries_headset, SND_JACK_HEADPHONE,
+ SND_JACK_HEADSET);
+ } else {
+ snd_soc_jack_report(&aries_headset,
+ snd_soc_jack_get_type(&aries_headset, adc),
+ SND_JACK_HEADSET);
+ }
+
+ ret = regulator_disable(priv->reg_headset_micbias);
+ if (ret)
+ pr_err("%s failed disable micbias: %d", __func__, ret);
+
+ /* Disable earpath selector when no mic connected */
+ if (!(aries_headset.status & SND_JACK_MICROPHONE))
+ gpiod_set_value(priv->gpio_earpath_sel, 0);
+
+ return IRQ_HANDLED;
+}
+
+static int headset_button_check(void *data)
+{
+ struct aries_wm8994_data *priv = (struct aries_wm8994_data *) data;
+
+ /* Filter out keypresses when 4 pole jack not detected */
+ if (gpiod_get_value_cansleep(priv->gpio_headset_key) &&
+ aries_headset.status & SND_JACK_MICROPHONE)
+ return SND_JACK_BTN_0;
+
+ return 0;
+}
+
+static struct snd_soc_jack_gpio headset_button_gpio[] = {
+ {
+ .name = "Media Button",
+ .report = SND_JACK_BTN_0,
+ .debounce_time = 30,
+ .jack_status_check = headset_button_check,
+ },
+};
+
+static int aries_spk_cfg(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_card *card = w->dapm->card;
+ struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_component *component;
+ int ret = 0;
+
+ rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
+ component = asoc_rtd_to_codec(rtd, 0)->component;
+
+ /**
+ * We have an odd setup - the SPKMODE pin is pulled up so
+ * we only have access to the left side SPK configs,
+ * but SPKOUTR isn't bridged so when playing back in
+ * stereo, we only get the left hand channel. The only
+ * option we're left with is to force the AIF into mono
+ * mode.
+ */
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ ret = snd_soc_component_update_bits(component,
+ WM8994_AIF1_DAC1_FILTERS_1,
+ WM8994_AIF1DAC1_MONO, WM8994_AIF1DAC1_MONO);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ ret = snd_soc_component_update_bits(component,
+ WM8994_AIF1_DAC1_FILTERS_1,
+ WM8994_AIF1DAC1_MONO, 0);
+ break;
+ }
+
+ return ret;
+}
+
+static int aries_main_bias(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_card *card = w->dapm->card;
+ struct aries_wm8994_data *priv = snd_soc_card_get_drvdata(card);
+ int ret = 0;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ ret = regulator_enable(priv->reg_main_micbias);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ ret = regulator_disable(priv->reg_main_micbias);
+ break;
+ }
+
+ return ret;
+}
+
+static int aries_headset_bias(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_card *card = w->dapm->card;
+ struct aries_wm8994_data *priv = snd_soc_card_get_drvdata(card);
+ int ret = 0;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ ret = regulator_enable(priv->reg_headset_micbias);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ ret = regulator_disable(priv->reg_headset_micbias);
+ break;
+ }
+
+ return ret;
+}
+
+static const struct snd_kcontrol_new aries_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Modem In"),
+ SOC_DAPM_PIN_SWITCH("Modem Out"),
+};
+
+static const struct snd_soc_dapm_widget aries_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("HP", NULL),
+
+ SND_SOC_DAPM_SPK("SPK", aries_spk_cfg),
+ SND_SOC_DAPM_SPK("RCV", NULL),
+
+ SND_SOC_DAPM_LINE("LINE", NULL),
+
+ SND_SOC_DAPM_MIC("Main Mic", aries_main_bias),
+ SND_SOC_DAPM_MIC("Headset Mic", aries_headset_bias),
+
+ SND_SOC_DAPM_MIC("Bluetooth Mic", NULL),
+ SND_SOC_DAPM_SPK("Bluetooth SPK", NULL),
+
+ SND_SOC_DAPM_LINE("Modem In", NULL),
+ SND_SOC_DAPM_LINE("Modem Out", NULL),
+
+ /* This must be last as it is conditionally not used */
+ SND_SOC_DAPM_LINE("FM In", NULL),
+};
+
+static int aries_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 = asoc_rtd_to_codec(rtd, 0);
+ unsigned int pll_out;
+ int ret;
+
+ /* AIF1CLK should be >=3MHz for optimal performance */
+ if (params_width(params) == 24)
+ pll_out = params_rate(params) * 384;
+ else if (params_rate(params) == 8000 || params_rate(params) == 11025)
+ pll_out = params_rate(params) * 512;
+ else
+ pll_out = params_rate(params) * 256;
+
+ ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1,
+ ARIES_MCLK1_FREQ, pll_out);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
+ pll_out, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int aries_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ int ret;
+
+ /* Switch sysclk to MCLK1 */
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1,
+ ARIES_MCLK1_FREQ, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ /* Stop PLL */
+ ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1,
+ ARIES_MCLK1_FREQ, 0);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * Main DAI operations
+ */
+static struct snd_soc_ops aries_ops = {
+ .hw_params = aries_hw_params,
+ .hw_free = aries_hw_free,
+};
+
+static int aries_baseband_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ unsigned int pll_out;
+ int ret;
+
+ pll_out = 8000 * 512;
+
+ /* Set the codec FLL */
+ ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, WM8994_FLL_SRC_MCLK1,
+ ARIES_MCLK1_FREQ, pll_out);
+ if (ret < 0)
+ return ret;
+
+ /* Set the codec system clock */
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
+ pll_out, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int aries_late_probe(struct snd_soc_card *card)
+{
+ struct aries_wm8994_data *priv = snd_soc_card_get_drvdata(card);
+ int ret, irq;
+
+ ret = snd_soc_card_jack_new(card, "Dock", SND_JACK_LINEOUT,
+ &aries_dock, dock_pins, ARRAY_SIZE(dock_pins));
+ if (ret)
+ return ret;
+
+ ret = devm_extcon_register_notifier(card->dev,
+ priv->usb_extcon, EXTCON_JACK_LINE_OUT,
+ &aries_extcon_notifier_block);
+ if (ret)
+ return ret;
+
+ if (extcon_get_state(priv->usb_extcon,
+ EXTCON_JACK_LINE_OUT) > 0)
+ snd_soc_jack_report(&aries_dock, SND_JACK_LINEOUT,
+ SND_JACK_LINEOUT);
+ else
+ snd_soc_jack_report(&aries_dock, 0, SND_JACK_LINEOUT);
+
+ ret = snd_soc_card_jack_new(card, "Headset",
+ SND_JACK_HEADSET | SND_JACK_BTN_0,
+ &aries_headset,
+ jack_pins, ARRAY_SIZE(jack_pins));
+ if (ret)
+ return ret;
+
+ ret = snd_soc_jack_add_zones(&aries_headset, ARRAY_SIZE(headset_zones),
+ headset_zones);
+ if (ret)
+ return ret;
+
+ irq = gpiod_to_irq(priv->gpio_headset_detect);
+ if (irq < 0) {
+ dev_err(card->dev, "Failed to map headset detect gpio to irq");
+ return -EINVAL;
+ }
+
+ ret = devm_request_threaded_irq(card->dev, irq, NULL,
+ headset_det_irq_thread,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT, "headset_detect", priv);
+ if (ret) {
+ dev_err(card->dev, "Failed to request headset detect irq");
+ return ret;
+ }
+
+ headset_button_gpio[0].data = priv;
+ headset_button_gpio[0].desc = priv->gpio_headset_key;
+
+ snd_jack_set_key(aries_headset.jack, SND_JACK_BTN_0, KEY_MEDIA);
+
+ return snd_soc_jack_add_gpios(&aries_headset,
+ ARRAY_SIZE(headset_button_gpio), headset_button_gpio);
+}
+
+static const struct snd_soc_pcm_stream baseband_params = {
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .channels_min = 1,
+ .channels_max = 1,
+};
+
+static const struct snd_soc_pcm_stream bluetooth_params = {
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .channels_min = 1,
+ .channels_max = 2,
+};
+
+static const struct snd_soc_dapm_widget aries_modem_widgets[] = {
+ SND_SOC_DAPM_INPUT("Modem RX"),
+ SND_SOC_DAPM_OUTPUT("Modem TX"),
+};
+
+static const struct snd_soc_dapm_route aries_modem_routes[] = {
+ { "Modem Capture", NULL, "Modem RX" },
+ { "Modem TX", NULL, "Modem Playback" },
+};
+
+static const struct snd_soc_component_driver aries_component = {
+ .name = "aries-audio",
+ .dapm_widgets = aries_modem_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aries_modem_widgets),
+ .dapm_routes = aries_modem_routes,
+ .num_dapm_routes = ARRAY_SIZE(aries_modem_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static struct snd_soc_dai_driver aries_ext_dai[] = {
+ {
+ .name = "Voice call",
+ .playback = {
+ .stream_name = "Modem Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .stream_name = "Modem Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ },
+};
+
+SND_SOC_DAILINK_DEFS(aif1,
+ DAILINK_COMP_ARRAY(COMP_CPU(SAMSUNG_I2S_DAI)),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif1")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(baseband,
+ DAILINK_COMP_ARRAY(COMP_CPU("Voice call")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif2")));
+
+SND_SOC_DAILINK_DEFS(bluetooth,
+ DAILINK_COMP_ARRAY(COMP_CPU("bt-sco-pcm")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif3")));
+
+static struct snd_soc_dai_link aries_dai[] = {
+ {
+ .name = "WM8994 AIF1",
+ .stream_name = "HiFi",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .ops = &aries_ops,
+ SND_SOC_DAILINK_REG(aif1),
+ },
+ {
+ .name = "WM8994 AIF2",
+ .stream_name = "Baseband",
+ .init = &aries_baseband_init,
+ .params = &baseband_params,
+ .ignore_suspend = 1,
+ SND_SOC_DAILINK_REG(baseband),
+ },
+ {
+ .name = "WM8994 AIF3",
+ .stream_name = "Bluetooth",
+ .params = &bluetooth_params,
+ .ignore_suspend = 1,
+ SND_SOC_DAILINK_REG(bluetooth),
+ },
+};
+
+static struct snd_soc_card aries_card = {
+ .name = "ARIES",
+ .owner = THIS_MODULE,
+ .dai_link = aries_dai,
+ .num_links = ARRAY_SIZE(aries_dai),
+ .controls = aries_controls,
+ .num_controls = ARRAY_SIZE(aries_controls),
+ .dapm_widgets = aries_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aries_dapm_widgets),
+ .late_probe = aries_late_probe,
+};
+
+static const struct aries_wm8994_variant fascinate4g_variant = {
+ .modem_dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBS_CFS
+ | SND_SOC_DAIFMT_IB_NF,
+ .has_fm_radio = false,
+};
+
+static const struct aries_wm8994_variant aries_variant = {
+ .modem_dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM
+ | SND_SOC_DAIFMT_IB_NF,
+ .has_fm_radio = true,
+};
+
+static const struct of_device_id samsung_wm8994_of_match[] = {
+ {
+ .compatible = "samsung,fascinate4g-wm8994",
+ .data = &fascinate4g_variant,
+ },
+ {
+ .compatible = "samsung,aries-wm8994",
+ .data = &aries_variant,
+ },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match);
+
+static int aries_audio_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *cpu, *codec, *extcon_np;
+ struct device *dev = &pdev->dev;
+ struct snd_soc_card *card = &aries_card;
+ struct aries_wm8994_data *priv;
+ struct snd_soc_dai_link *dai_link;
+ const struct of_device_id *match;
+ int ret, i;
+
+ if (!np)
+ return -EINVAL;
+
+ card->dev = dev;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ snd_soc_card_set_drvdata(card, priv);
+
+ match = of_match_node(samsung_wm8994_of_match, np);
+ priv->variant = match->data;
+
+ /* Remove FM widget if not present */
+ if (!priv->variant->has_fm_radio)
+ card->num_dapm_widgets--;
+
+ priv->reg_main_micbias = devm_regulator_get(dev, "main-micbias");
+ if (IS_ERR(priv->reg_main_micbias)) {
+ dev_err(dev, "Failed to get main micbias regulator\n");
+ return PTR_ERR(priv->reg_main_micbias);
+ }
+
+ priv->reg_headset_micbias = devm_regulator_get(dev, "headset-micbias");
+ if (IS_ERR(priv->reg_headset_micbias)) {
+ dev_err(dev, "Failed to get headset micbias regulator\n");
+ return PTR_ERR(priv->reg_headset_micbias);
+ }
+
+ priv->gpio_earpath_sel = devm_gpiod_get(dev, "earpath-sel",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(priv->gpio_earpath_sel)) {
+ dev_err(dev, "Failed to get earpath selector gpio");
+ return PTR_ERR(priv->gpio_earpath_sel);
+ }
+
+ extcon_np = of_parse_phandle(np, "extcon", 0);
+ priv->usb_extcon = extcon_find_edev_by_node(extcon_np);
+ if (IS_ERR(priv->usb_extcon)) {
+ if (PTR_ERR(priv->usb_extcon) != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get extcon device");
+ return PTR_ERR(priv->usb_extcon);
+ }
+ of_node_put(extcon_np);
+
+ priv->adc = devm_iio_channel_get(dev, "headset-detect");
+ if (IS_ERR(priv->adc)) {
+ if (PTR_ERR(priv->adc) != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get ADC channel");
+ return PTR_ERR(priv->adc);
+ }
+ if (priv->adc->channel->type != IIO_VOLTAGE)
+ return -EINVAL;
+
+ priv->gpio_headset_key = devm_gpiod_get(dev, "headset-key",
+ GPIOD_IN);
+ if (IS_ERR(priv->gpio_headset_key)) {
+ dev_err(dev, "Failed to get headset key gpio");
+ return PTR_ERR(priv->gpio_headset_key);
+ }
+
+ priv->gpio_headset_detect = devm_gpiod_get(dev,
+ "headset-detect", GPIOD_IN);
+ if (IS_ERR(priv->gpio_headset_detect)) {
+ dev_err(dev, "Failed to get headset detect gpio");
+ return PTR_ERR(priv->gpio_headset_detect);
+ }
+
+ /* Update card-name if provided through DT, else use default name */
+ snd_soc_of_parse_card_name(card, "model");
+
+ ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
+ if (ret < 0) {
+ dev_err(dev, "Audio routing invalid/unspecified\n");
+ return ret;
+ }
+
+ aries_dai[1].dai_fmt = priv->variant->modem_dai_fmt;
+
+ cpu = of_get_child_by_name(dev->of_node, "cpu");
+ if (!cpu)
+ return -EINVAL;
+
+ codec = of_get_child_by_name(dev->of_node, "codec");
+ if (!codec)
+ return -EINVAL;
+
+ for_each_card_prelinks(card, i, dai_link) {
+ dai_link->codecs->of_node = of_parse_phandle(codec,
+ "sound-dai", 0);
+ if (!dai_link->codecs->of_node) {
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+
+ /* Set CPU and platform of_node for main DAI */
+ aries_dai[0].cpus->of_node = of_parse_phandle(cpu,
+ "sound-dai", 0);
+ if (!aries_dai[0].cpus->of_node) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ aries_dai[0].platforms->of_node = aries_dai[0].cpus->of_node;
+
+ /* Set CPU of_node for BT DAI */
+ aries_dai[2].cpus->of_node = of_parse_phandle(cpu,
+ "sound-dai", 1);
+ if (!aries_dai[2].cpus->of_node) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = devm_snd_soc_register_component(dev, &aries_component,
+ aries_ext_dai, ARRAY_SIZE(aries_ext_dai));
+ if (ret < 0) {
+ dev_err(dev, "Failed to register component: %d\n", ret);
+ goto out;
+ }
+
+ ret = devm_snd_soc_register_card(dev, card);
+ if (ret)
+ dev_err(dev, "snd_soc_register_card() failed:%d\n", ret);
+
+out:
+ of_node_put(cpu);
+ of_node_put(codec);
+
+ return ret;
+}
+
+static struct platform_driver aries_audio_driver = {
+ .driver = {
+ .name = "aries-audio-wm8994",
+ .of_match_table = of_match_ptr(samsung_wm8994_of_match),
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = aries_audio_probe,
+};
+
+module_platform_driver(aries_audio_driver);
+
+MODULE_DESCRIPTION("ALSA SoC ARIES WM8994");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:aries-audio-wm8994");
projects / linux-2.6-microblaze.git / commitdiff