summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorYu-Hsuan Hsu <yuhsuan@chromium.org>2019-06-04 13:49:09 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-10 10:53:35 +0300
commit7b7486398a327297f6804d13614ef863d0bc2ca2 (patch)
treed4048c7854bd5c3e18e596ec5833b00925155331
parent3b60f98ef4962d5a0d94848a790fb4483d1bd4bb (diff)
downloadlinux-7b7486398a327297f6804d13614ef863d0bc2ca2.tar.xz
ASoC: max98090: remove 24-bit format support if RJ is 0
[ Upstream commit 5628c8979642a076f91ee86c3bae5ad251639af0 ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--sound/soc/codecs/max98090.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index f06ae43650a3..c3b28b2f4b10 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -1924,6 +1924,21 @@ 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)
@@ -2331,6 +2346,7 @@ 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,