ASoC: Mediatek: MT8183: change supported formats of DL2 and UL1

DL2 and UL1 are for BTSCO.  They should only provide 16-bit, mono,
8kHz and 16kHz to userspace.  Change the formats accordingly.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
index 681bedb524f92c3ba9909507e6aa01989b3a2187..4e44e5689d6f70d2d6197fe0fa330aa482bdc816 100644 (file)
--- a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
@@ -69,6 +69,46 @@ mt8183_mt6358_ts3a227_max98357_dapm_routes[] = {
        {"IT6505_8CH", NULL, "TDM"},
 };
 
+static int
+mt8183_mt6358_ts3a227_max98357_bt_sco_startup(
+       struct snd_pcm_substream *substream)
+{
+       static const unsigned int rates[] = {
+               8000, 16000
+       };
+       static const struct snd_pcm_hw_constraint_list constraints_rates = {
+               .count = ARRAY_SIZE(rates),
+               .list  = rates,
+               .mask = 0,
+       };
+       static const unsigned int channels[] = {
+               1,
+       };
+       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 = 1;
+       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_ts3a227_max98357_bt_sco_ops = {
+       .startup = mt8183_mt6358_ts3a227_max98357_bt_sco_startup,
+};
+
 static struct snd_soc_dai_link
 mt8183_mt6358_ts3a227_max98357_dai_links[] = {
        /* FE */
@@ -93,6 +133,7 @@ mt8183_mt6358_ts3a227_max98357_dai_links[] = {
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .dpcm_playback = 1,
+               .ops = &mt8183_mt6358_ts3a227_max98357_bt_sco_ops,
        },
        {
                .name = "Playback_3",
@@ -115,6 +156,7 @@ mt8183_mt6358_ts3a227_max98357_dai_links[] = {
                            SND_SOC_DPCM_TRIGGER_PRE},
                .dynamic = 1,
                .dpcm_capture = 1,
+               .ops = &mt8183_mt6358_ts3a227_max98357_bt_sco_ops,
        },
        {
                .name = "Capture_2",