Sets playback and capture constraints to S16_LE, stereo, 48kHz.

Signed-off-by: Jiaxin Yu <jiaxin...@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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