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authorTzung-Bi Shih <tzungbi@google.com>2020-06-23 08:51:30 +0300
committerMark Brown <broonie@kernel.org>2020-06-23 14:54:10 +0300
commitb1647f9f4f27824a689f774014bc33728b4fe7ec (patch)
tree90475037bccb1b04b3c12b8491df027b58eb403e /sound/soc/mediatek
parent5748f4eb01a4df7a42024fe8bc7855f05febb7c5 (diff)
downloadlinux-b1647f9f4f27824a689f774014bc33728b4fe7ec.tar.xz
ASoC: mediatek: mt8183-da7219: set playback and capture constraints
Sets playback and capture constraints to S16_LE, stereo, 48kHz. Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Link: https://lore.kernel.org/r/20200623055130.159718-1-tzungbi@google.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/mediatek')
-rw-r--r--sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
index ffd7c931e7bb..b61bb2de4ec3 100644
--- a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c
@@ -120,6 +120,46 @@ static int mt8183_i2s_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
}
static int
+mt8183_da7219_max98357_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_da7219_max98357_ops = {
+ .startup = mt8183_da7219_max98357_startup,
+};
+
+static int
mt8183_da7219_max98357_bt_sco_startup(
struct snd_pcm_substream *substream)
{
@@ -256,6 +296,7 @@ static struct snd_soc_dai_link mt8183_da7219_max98357_dai_links[] = {
SND_SOC_DPCM_TRIGGER_PRE},
.dynamic = 1,
.dpcm_playback = 1,
+ .ops = &mt8183_da7219_max98357_ops,
SND_SOC_DAILINK_REG(playback1),
},
{
@@ -303,6 +344,7 @@ static struct snd_soc_dai_link mt8183_da7219_max98357_dai_links[] = {
SND_SOC_DPCM_TRIGGER_PRE},
.dynamic = 1,
.dpcm_capture = 1,
+ .ops = &mt8183_da7219_max98357_ops,
SND_SOC_DAILINK_REG(capture3),
},
{