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Subject[PATCH] ASoC: mediatek: mt8183-mt6358: set playback and capture constraints
Date
Sets playback and capture constraints to S16_LE, stereo, 48kHz.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
---
.../mt8183/mt8183-mt6358-ts3a227-max98357.c | 41 ++++++++++++++++++++++
1 file changed, 41 insertions(+)

diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
index 3cf8aea..271413e 100644
--- a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
@@ -118,6 +118,45 @@ static int mt8183_rt1015_i2s_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
}

static int
+mt8183_mt6358_startup(struct snd_pcm_substream *substream)
+{
+ 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,
+ };
+
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+ 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);
+
+ return 0;
+}
+
+static const struct snd_soc_ops mt8183_mt6358_ops = {
+ .startup = mt8183_mt6358_startup,
+};
+
+static int
mt8183_mt6358_ts3a227_max98357_bt_sco_startup(
struct snd_pcm_substream *substream)
{
@@ -356,6 +395,7 @@ static void mt8183_mt6358_tdm_shutdown(struct snd_pcm_substream *substream)
SND_SOC_DPCM_TRIGGER_PRE},
.dynamic = 1,
.dpcm_playback = 1,
+ .ops = &mt8183_mt6358_ops,
SND_SOC_DAILINK_REG(playback1),
},
{
@@ -403,6 +443,7 @@ static void mt8183_mt6358_tdm_shutdown(struct snd_pcm_substream *substream)
SND_SOC_DPCM_TRIGGER_PRE},
.dynamic = 1,
.dpcm_capture = 1,
+ .ops = &mt8183_mt6358_ops,
SND_SOC_DAILINK_REG(capture3),
},
{
--
1.8.1.1.dirty
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