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ASoC: max98090: remove 24-bit format support if RJ is 0 

The supported formats are S16_LE and S24_LE now. However, by datasheet
of max98090, S24_LE is only supported when it is in the right justified
mode. We should remove 24-bit format if it is not in that mode to avoid
triggering error.

Signed-off-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.2
Yu-Hsuan Hsu 2019-06-04 18:49:09 +08:00 committed by Mark Brown
parent cbc0fa7b6e
commit 5628c89796
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GPG Key ID: 24D68B725D5487D0
1 changed files with 16 additions and 0 deletions
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16
sound/soc/codecs/max98090.c
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@ -1909,6 +1909,21 @@ static int max98090_configure_dmic(struct max98090_priv *max98090,
return 0;
}
static int max98090_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
unsigned int fmt = max98090->dai_fmt;
/* Remove 24-bit format support if it is not in right justified mode. */
if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_RIGHT_J) {
substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
snd_pcm_hw_constraint_msbits(substream->runtime, 0, 16, 16);
}
return 0;
}
static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
@ -2316,6 +2331,7 @@ EXPORT_SYMBOL_GPL(max98090_mic_detect);
#define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
static const struct snd_soc_dai_ops max98090_dai_ops = {
.startup = max98090_dai_startup,
.set_sysclk = max98090_dai_set_sysclk,
.set_fmt = max98090_dai_set_fmt,
.set_tdm_slot = max98090_set_tdm_slot,