Add DAI link and pin muxing for wake on voice.
Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
---
sound/soc/mediatek/Kconfig | 1 +
.../mt8183/mt8183-mt6358-ts3a227-max98357.c | 70 ++++++++++++++++++-
2 files changed, 68 insertions(+), 3 deletions(-)
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 111e44b64b38..8b29f3979899 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -125,6 +125,7 @@ config SND_SOC_MT8183_MT6358_TS3A227E_MAX98357A
select SND_SOC_MAX98357A
select SND_SOC_BT_SCO
select SND_SOC_TS3A227E
+ select SND_SOC_CROS_EC_CODEC
help
This adds ASoC driver for Mediatek MT8183 boards
with the MT6358 TS3A227E MAX98357A audio codec.
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
index bb9cdc0d6552..0555f7d73d05 100644
--- a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
@@ -19,11 +19,12 @@ enum PINCTRL_PIN_STATE {
PIN_STATE_DEFAULT = 0,
PIN_TDM_OUT_ON,
PIN_TDM_OUT_OFF,
+ PIN_WOV,
PIN_STATE_MAX
};
static const char * const mt8183_pin_str[PIN_STATE_MAX] = {
- "default", "aud_tdm_out_on", "aud_tdm_out_off",
+ "default", "aud_tdm_out_on", "aud_tdm_out_off", "wov",
};
struct mt8183_mt6358_ts3a227_max98357_priv {
@@ -142,6 +143,11 @@ SND_SOC_DAILINK_DEFS(playback_hdmi,
DAILINK_COMP_ARRAY(COMP_DUMMY()),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
+SND_SOC_DAILINK_DEFS(wake_on_voice,
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
/* BE */
SND_SOC_DAILINK_DEFS(primary_codec,
DAILINK_COMP_ARRAY(COMP_CPU("ADDA")),
@@ -229,6 +235,41 @@ static struct snd_soc_ops mt8183_mt6358_tdm_ops = {
.shutdown = mt8183_mt6358_tdm_shutdown,
};
+static int
+mt8183_mt6358_ts3a227_max98357_wov_startup(
+ struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct mt8183_mt6358_ts3a227_max98357_priv *priv =
+ snd_soc_card_get_drvdata(card);
+
+ return pinctrl_select_state(priv->pinctrl,
+ priv->pin_states[PIN_WOV]);
+}
+
+static void
+mt8183_mt6358_ts3a227_max98357_wov_shutdown(
+ struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct mt8183_mt6358_ts3a227_max98357_priv *priv =
+ snd_soc_card_get_drvdata(card);
+ int ret;
+
+ ret = pinctrl_select_state(priv->pinctrl,
+ priv->pin_states[PIN_STATE_DEFAULT]);
+ if (ret)
+ dev_err(card->dev, "%s failed to select state %d\n",
+ __func__, ret);
+}
+
+static const struct snd_soc_ops mt8183_mt6358_ts3a227_max98357_wov_ops = {
+ .startup = mt8183_mt6358_ts3a227_max98357_wov_startup,
+ .shutdown = mt8183_mt6358_ts3a227_max98357_wov_shutdown,
+};
+
static struct snd_soc_dai_link
mt8183_mt6358_ts3a227_max98357_dai_links[] = {
/* FE */
@@ -306,6 +347,15 @@ mt8183_mt6358_ts3a227_max98357_dai_links[] = {
.dpcm_playback = 1,
SND_SOC_DAILINK_REG(playback_hdmi),
},
+ {
+ .name = "Wake on Voice",
+ .stream_name = "Wake on Voice",
+ .ignore_suspend = 1,
+ .ignore = 1,
+ SND_SOC_DAILINK_REG(wake_on_voice),
+ .ops = &mt8183_mt6358_ts3a227_max98357_wov_ops,
+ },
+
/* BE */
{
.name = "Primary Codec",
@@ -429,7 +479,7 @@ static int
mt8183_mt6358_ts3a227_max98357_dev_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &mt8183_mt6358_ts3a227_max98357_card;
- struct device_node *platform_node;
+ struct device_node *platform_node, *ec_codec;
struct snd_soc_dai_link *dai_link;
struct mt8183_mt6358_ts3a227_max98357_priv *priv;
int ret;
@@ -444,10 +494,24 @@ mt8183_mt6358_ts3a227_max98357_dev_probe(struct platform_device *pdev)
return -EINVAL;
}
+ ec_codec = of_parse_phandle(pdev->dev.of_node, "mediatek,ec-codec", 0);
+
for_each_card_prelinks(card, i, dai_link) {
if (dai_link->platforms->name)
continue;
- dai_link->platforms->of_node = platform_node;
+
+ if (ec_codec && strcmp(dai_link->name, "Wake on Voice") == 0) {
+ dai_link->cpus[0].name = NULL;
+ dai_link->cpus[0].of_node = ec_codec;
+ dai_link->cpus[0].dai_name = NULL;
+ dai_link->codecs[0].name = NULL;
+ dai_link->codecs[0].of_node = ec_codec;
+ dai_link->codecs[0].dai_name = "Wake on Voice";
+ dai_link->platforms[0].of_node = ec_codec;
+ dai_link->ignore = 0;
+ } else {
+ dai_link->platforms->of_node = platform_node;
+ }
}
mt8183_mt6358_ts3a227_max98357_headset_dev.dlc.of_node =
--
2.23.0.581.g78d2f28ef7-goog
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