Messages in this thread | | | Subject | Re: [PATCH] ASoC: rt5659: add S32_LE format | From | Sameer Pujar <> | Date | Mon, 20 Jan 2020 11:54:30 +0530 |
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Removing Bard(bardliao@realtek.com) from "to" list since I am getting undelivered message.
Oder, Please add right folks as you feel necessary. Thanks.
On 1/20/2020 11:47 AM, Sameer Pujar wrote: > ALC5659 supports maximum data length of 24-bit. Currently driver supports > S24_LE which is a 32-bit container with valid data in [23:0] and 0s in MSB. > S24_3LE is not commonly used and is hard to find audio streams with this > format. Also many SoC HW do not support S24_LE and S32_LE is used in > general. The 24-bit data can be represented in S32_LE [31:8] and 0s are > padded in LSB. > > This patch adds S32_LE to ALC5659 driver and data length for this is set > to 24 as per codec's maximum data length support. This helps to play > 24-bit audio, packed in S32_LE, on HW which do not support S24_LE. > > Signed-off-by: Sameer Pujar <spujar@nvidia.com> > --- > sound/soc/codecs/rt5659.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/sound/soc/codecs/rt5659.c b/sound/soc/codecs/rt5659.c > index fc74dd63..f910ddf 100644 > --- a/sound/soc/codecs/rt5659.c > +++ b/sound/soc/codecs/rt5659.c > @@ -3339,6 +3339,7 @@ static int rt5659_hw_params(struct snd_pcm_substream *substream, > val_len |= RT5659_I2S_DL_20; > break; > case 24: > + case 32: > val_len |= RT5659_I2S_DL_24; > break; > case 8: > @@ -3733,7 +3734,8 @@ static int rt5659_resume(struct snd_soc_component *component) > > #define RT5659_STEREO_RATES SNDRV_PCM_RATE_8000_192000 > #define RT5659_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ > - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) > + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE | \ > + SNDRV_PCM_FMTBIT_S8) > > static const struct snd_soc_dai_ops rt5659_aif_dai_ops = { > .hw_params = rt5659_hw_params,
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