diff options
| author | Tzung-Bi Shih | 2019-04-08 18:47:28 +0800 |
|---|---|---|
| committer | Mark Brown | 2019-05-02 10:46:17 +0900 |
| commit | 1df1e5457cd1e115bd279f7d12015a4834057f68 (patch) | |
| tree | 9a0e95dbd551827e9f54dbd97ad7f0db69a06c2f | |
| parent | f2a36a78423ee83b1aac79956891fcad0e833885 (diff) | |
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>
| -rw-r--r-- | sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c index 681bedb524f9..4e44e5689d6f 100644 --- 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", |