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c101ce8883
Now we can use asoc_substream_to_rtd() macro, let's use it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87lfjf0yuf.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
696 lines
17 KiB
C
696 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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#include <linux/extcon.h>
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#include <linux/iio/consumer.h>
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#include <linux/iio/iio.h>
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#include <linux/input-event-codes.h>
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#include <linux/mfd/wm8994/registers.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/of_gpio.h>
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#include <linux/regulator/consumer.h>
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#include <sound/jack.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include "i2s.h"
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#include "../codecs/wm8994.h"
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#define ARIES_MCLK1_FREQ 24000000
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struct aries_wm8994_variant {
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unsigned int modem_dai_fmt;
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bool has_fm_radio;
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};
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struct aries_wm8994_data {
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struct extcon_dev *usb_extcon;
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struct regulator *reg_main_micbias;
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struct regulator *reg_headset_micbias;
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struct gpio_desc *gpio_headset_detect;
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struct gpio_desc *gpio_headset_key;
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struct gpio_desc *gpio_earpath_sel;
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struct iio_channel *adc;
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const struct aries_wm8994_variant *variant;
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};
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/* USB dock */
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static struct snd_soc_jack aries_dock;
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static struct snd_soc_jack_pin dock_pins[] = {
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{
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.pin = "LINE",
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.mask = SND_JACK_LINEOUT,
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},
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};
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static int aries_extcon_notifier(struct notifier_block *this,
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unsigned long connected, void *_cmd)
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{
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if (connected)
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snd_soc_jack_report(&aries_dock, SND_JACK_LINEOUT,
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SND_JACK_LINEOUT);
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else
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snd_soc_jack_report(&aries_dock, 0, SND_JACK_LINEOUT);
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return NOTIFY_DONE;
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}
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static struct notifier_block aries_extcon_notifier_block = {
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.notifier_call = aries_extcon_notifier,
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};
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/* Headset jack */
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static struct snd_soc_jack aries_headset;
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static struct snd_soc_jack_pin jack_pins[] = {
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{
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.pin = "HP",
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.mask = SND_JACK_HEADPHONE,
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}, {
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.pin = "Headset Mic",
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.mask = SND_JACK_MICROPHONE,
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},
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};
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static struct snd_soc_jack_zone headset_zones[] = {
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{
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.min_mv = 0,
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.max_mv = 241,
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.jack_type = SND_JACK_HEADPHONE,
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}, {
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.min_mv = 242,
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.max_mv = 2980,
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.jack_type = SND_JACK_HEADSET,
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}, {
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.min_mv = 2981,
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.max_mv = UINT_MAX,
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.jack_type = SND_JACK_HEADPHONE,
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},
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};
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static irqreturn_t headset_det_irq_thread(int irq, void *data)
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{
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struct aries_wm8994_data *priv = (struct aries_wm8994_data *) data;
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int ret = 0;
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int time_left_ms = 300;
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int adc;
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while (time_left_ms > 0) {
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if (!gpiod_get_value(priv->gpio_headset_detect)) {
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snd_soc_jack_report(&aries_headset, 0,
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SND_JACK_HEADSET);
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gpiod_set_value(priv->gpio_earpath_sel, 0);
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return IRQ_HANDLED;
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}
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msleep(20);
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time_left_ms -= 20;
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}
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/* Temporarily enable micbias and earpath selector */
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ret = regulator_enable(priv->reg_headset_micbias);
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if (ret)
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pr_err("%s failed to enable micbias: %d", __func__, ret);
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gpiod_set_value(priv->gpio_earpath_sel, 1);
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ret = iio_read_channel_processed(priv->adc, &adc);
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if (ret < 0) {
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/* failed to read ADC, so assume headphone */
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pr_err("%s failed to read ADC, assuming headphones", __func__);
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snd_soc_jack_report(&aries_headset, SND_JACK_HEADPHONE,
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SND_JACK_HEADSET);
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} else {
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snd_soc_jack_report(&aries_headset,
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snd_soc_jack_get_type(&aries_headset, adc),
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SND_JACK_HEADSET);
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}
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ret = regulator_disable(priv->reg_headset_micbias);
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if (ret)
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pr_err("%s failed disable micbias: %d", __func__, ret);
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/* Disable earpath selector when no mic connected */
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if (!(aries_headset.status & SND_JACK_MICROPHONE))
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gpiod_set_value(priv->gpio_earpath_sel, 0);
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return IRQ_HANDLED;
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}
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static int headset_button_check(void *data)
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{
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struct aries_wm8994_data *priv = (struct aries_wm8994_data *) data;
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/* Filter out keypresses when 4 pole jack not detected */
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if (gpiod_get_value_cansleep(priv->gpio_headset_key) &&
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aries_headset.status & SND_JACK_MICROPHONE)
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return SND_JACK_BTN_0;
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return 0;
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}
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static struct snd_soc_jack_gpio headset_button_gpio[] = {
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{
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.name = "Media Button",
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.report = SND_JACK_BTN_0,
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.debounce_time = 30,
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.jack_status_check = headset_button_check,
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},
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};
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static int aries_spk_cfg(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_card *card = w->dapm->card;
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struct snd_soc_pcm_runtime *rtd;
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struct snd_soc_component *component;
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int ret = 0;
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
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component = asoc_rtd_to_codec(rtd, 0)->component;
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/**
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* We have an odd setup - the SPKMODE pin is pulled up so
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* we only have access to the left side SPK configs,
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* but SPKOUTR isn't bridged so when playing back in
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* stereo, we only get the left hand channel. The only
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* option we're left with is to force the AIF into mono
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* mode.
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*/
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switch (event) {
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case SND_SOC_DAPM_POST_PMU:
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ret = snd_soc_component_update_bits(component,
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WM8994_AIF1_DAC1_FILTERS_1,
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WM8994_AIF1DAC1_MONO, WM8994_AIF1DAC1_MONO);
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break;
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case SND_SOC_DAPM_PRE_PMD:
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ret = snd_soc_component_update_bits(component,
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WM8994_AIF1_DAC1_FILTERS_1,
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WM8994_AIF1DAC1_MONO, 0);
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break;
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}
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return ret;
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}
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static int aries_main_bias(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_card *card = w->dapm->card;
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struct aries_wm8994_data *priv = snd_soc_card_get_drvdata(card);
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int ret = 0;
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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ret = regulator_enable(priv->reg_main_micbias);
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break;
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case SND_SOC_DAPM_POST_PMD:
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ret = regulator_disable(priv->reg_main_micbias);
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break;
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}
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return ret;
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}
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static int aries_headset_bias(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_card *card = w->dapm->card;
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struct aries_wm8994_data *priv = snd_soc_card_get_drvdata(card);
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int ret = 0;
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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ret = regulator_enable(priv->reg_headset_micbias);
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break;
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case SND_SOC_DAPM_POST_PMD:
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ret = regulator_disable(priv->reg_headset_micbias);
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break;
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}
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return ret;
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}
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static const struct snd_kcontrol_new aries_controls[] = {
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SOC_DAPM_PIN_SWITCH("Modem In"),
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SOC_DAPM_PIN_SWITCH("Modem Out"),
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};
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static const struct snd_soc_dapm_widget aries_dapm_widgets[] = {
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SND_SOC_DAPM_HP("HP", NULL),
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SND_SOC_DAPM_SPK("SPK", aries_spk_cfg),
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SND_SOC_DAPM_SPK("RCV", NULL),
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SND_SOC_DAPM_LINE("LINE", NULL),
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SND_SOC_DAPM_MIC("Main Mic", aries_main_bias),
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SND_SOC_DAPM_MIC("Headset Mic", aries_headset_bias),
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SND_SOC_DAPM_MIC("Bluetooth Mic", NULL),
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SND_SOC_DAPM_SPK("Bluetooth SPK", NULL),
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SND_SOC_DAPM_LINE("Modem In", NULL),
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SND_SOC_DAPM_LINE("Modem Out", NULL),
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/* This must be last as it is conditionally not used */
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SND_SOC_DAPM_LINE("FM In", NULL),
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};
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static int aries_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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unsigned int pll_out;
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int ret;
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/* AIF1CLK should be >=3MHz for optimal performance */
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if (params_width(params) == 24)
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pll_out = params_rate(params) * 384;
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else if (params_rate(params) == 8000 || params_rate(params) == 11025)
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pll_out = params_rate(params) * 512;
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else
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pll_out = params_rate(params) * 256;
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ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1,
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ARIES_MCLK1_FREQ, pll_out);
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if (ret < 0)
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return ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
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pll_out, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int aries_hw_free(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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int ret;
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/* Switch sysclk to MCLK1 */
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1,
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ARIES_MCLK1_FREQ, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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/* Stop PLL */
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ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1,
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ARIES_MCLK1_FREQ, 0);
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if (ret < 0)
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return ret;
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return 0;
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}
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/*
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* Main DAI operations
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*/
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static struct snd_soc_ops aries_ops = {
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.hw_params = aries_hw_params,
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.hw_free = aries_hw_free,
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};
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static int aries_baseband_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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unsigned int pll_out;
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int ret;
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pll_out = 8000 * 512;
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/* Set the codec FLL */
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ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, WM8994_FLL_SRC_MCLK1,
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ARIES_MCLK1_FREQ, pll_out);
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if (ret < 0)
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return ret;
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/* Set the codec system clock */
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
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pll_out, SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int aries_late_probe(struct snd_soc_card *card)
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{
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struct aries_wm8994_data *priv = snd_soc_card_get_drvdata(card);
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int ret, irq;
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ret = snd_soc_card_jack_new(card, "Dock", SND_JACK_LINEOUT,
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&aries_dock, dock_pins, ARRAY_SIZE(dock_pins));
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if (ret)
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return ret;
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ret = devm_extcon_register_notifier(card->dev,
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priv->usb_extcon, EXTCON_JACK_LINE_OUT,
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&aries_extcon_notifier_block);
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if (ret)
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return ret;
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if (extcon_get_state(priv->usb_extcon,
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EXTCON_JACK_LINE_OUT) > 0)
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snd_soc_jack_report(&aries_dock, SND_JACK_LINEOUT,
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SND_JACK_LINEOUT);
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else
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snd_soc_jack_report(&aries_dock, 0, SND_JACK_LINEOUT);
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ret = snd_soc_card_jack_new(card, "Headset",
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SND_JACK_HEADSET | SND_JACK_BTN_0,
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&aries_headset,
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jack_pins, ARRAY_SIZE(jack_pins));
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if (ret)
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return ret;
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ret = snd_soc_jack_add_zones(&aries_headset, ARRAY_SIZE(headset_zones),
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headset_zones);
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if (ret)
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return ret;
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irq = gpiod_to_irq(priv->gpio_headset_detect);
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if (irq < 0) {
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dev_err(card->dev, "Failed to map headset detect gpio to irq");
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return -EINVAL;
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}
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ret = devm_request_threaded_irq(card->dev, irq, NULL,
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headset_det_irq_thread,
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IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
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IRQF_ONESHOT, "headset_detect", priv);
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if (ret) {
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dev_err(card->dev, "Failed to request headset detect irq");
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return ret;
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}
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headset_button_gpio[0].data = priv;
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headset_button_gpio[0].desc = priv->gpio_headset_key;
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snd_jack_set_key(aries_headset.jack, SND_JACK_BTN_0, KEY_MEDIA);
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return snd_soc_jack_add_gpios(&aries_headset,
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ARRAY_SIZE(headset_button_gpio), headset_button_gpio);
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}
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static const struct snd_soc_pcm_stream baseband_params = {
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rate_min = 8000,
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.rate_max = 8000,
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.channels_min = 1,
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.channels_max = 1,
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};
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static const struct snd_soc_pcm_stream bluetooth_params = {
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rate_min = 8000,
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.rate_max = 8000,
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.channels_min = 1,
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.channels_max = 2,
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};
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static const struct snd_soc_dapm_widget aries_modem_widgets[] = {
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SND_SOC_DAPM_INPUT("Modem RX"),
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SND_SOC_DAPM_OUTPUT("Modem TX"),
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};
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static const struct snd_soc_dapm_route aries_modem_routes[] = {
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{ "Modem Capture", NULL, "Modem RX" },
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{ "Modem TX", NULL, "Modem Playback" },
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};
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static const struct snd_soc_component_driver aries_component = {
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.name = "aries-audio",
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.dapm_widgets = aries_modem_widgets,
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.num_dapm_widgets = ARRAY_SIZE(aries_modem_widgets),
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.dapm_routes = aries_modem_routes,
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.num_dapm_routes = ARRAY_SIZE(aries_modem_routes),
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.idle_bias_on = 1,
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.use_pmdown_time = 1,
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.endianness = 1,
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.non_legacy_dai_naming = 1,
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};
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static struct snd_soc_dai_driver aries_ext_dai[] = {
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{
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.name = "Voice call",
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.playback = {
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.stream_name = "Modem Playback",
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.channels_min = 1,
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.channels_max = 1,
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.rate_min = 8000,
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.rate_max = 8000,
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.rates = SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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},
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.capture = {
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.stream_name = "Modem Capture",
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.channels_min = 1,
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.channels_max = 1,
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.rate_min = 8000,
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.rate_max = 8000,
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.rates = SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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},
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},
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};
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SND_SOC_DAILINK_DEFS(aif1,
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DAILINK_COMP_ARRAY(COMP_CPU(SAMSUNG_I2S_DAI)),
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif1")),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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SND_SOC_DAILINK_DEFS(baseband,
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DAILINK_COMP_ARRAY(COMP_CPU("Voice call")),
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif2")));
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SND_SOC_DAILINK_DEFS(bluetooth,
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DAILINK_COMP_ARRAY(COMP_CPU("bt-sco-pcm")),
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif3")));
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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");
|