Le mer., juil. 6 2022 at 22:13:29 +0100, Aidan MacDonald aidanmacdonald.0x0@gmail.com a écrit :
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@gmail.com
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;
Did you test these? It is unclear to me, looking at the JZ4740 PM, if the 18-bit, 20-bit and 24-bit samples are in 4 bytes or 3 bytes.
Cheers, -Paul
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