[PATCH 10/11] ASoC: jz4740-i2s: Support S20_LE and S24_LE sample formats

From: Aidan MacDonald
Date: Wed Jul 06 2022 - 17:13:12 EST


The audio controller on JZ47xx SoCs supports 20- and 24-bit
samples coming from memory. Allow those formats to be used
with the I2S driver.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@xxxxxxxxx>
---
sound/soc/jz4740/jz4740-i2s.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index 80b355d715ce..ee99c5e781ec 100644
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -222,9 +222,15 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
case SNDRV_PCM_FORMAT_S8:
sample_size = 0;
break;
- case SNDRV_PCM_FORMAT_S16:
+ case SNDRV_PCM_FORMAT_S16_LE:
sample_size = 1;
break;
+ case SNDRV_PCM_FORMAT_S20_LE:
+ sample_size = 3;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ sample_size = 4;
+ break;
default:
return -EINVAL;
}
@@ -362,7 +368,9 @@ static const struct snd_soc_dai_ops jz4740_i2s_dai_ops = {
};

#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \
- SNDRV_PCM_FMTBIT_S16_LE)
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S20_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)

static struct snd_soc_dai_driver jz4740_i2s_dai = {
.probe = jz4740_i2s_dai_probe,
--
2.35.1