Unverified Commit 6e750d3e authored by Marcus Cooper's avatar Marcus Cooper Committed by Mark Brown
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ASoC: sun4i-spdif: Add working 24bit audio support 



24 bit audio file can be detected by the alsa driver as S32_LE.
Add this format to what is supported and change the DMA address
width.

Signed-off-by: default avatarMarcus Cooper <codekipper@gmail.com>
Link: https://patch.msgid.link/20241111165600.57219-4-codekipper@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 80ac12ff

sound/soc/sunxi/sun4i-spdif.c

+7 −3
Original line number Diff line number Diff line
@@ -287,14 +287,17 @@ static int sun4i_spdif_hw_params(struct snd_pcm_substream *substream, 
		return -EINVAL;

	}



	host->dma_params_tx.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;

	switch (params_format(params)) {

	case SNDRV_PCM_FORMAT_S16_LE:

		fmt |= SUN4I_SPDIF_TXCFG_FMT16BIT;

		host->dma_params_tx.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;

		break;

	case SNDRV_PCM_FORMAT_S20_3LE:

		fmt |= SUN4I_SPDIF_TXCFG_FMT20BIT;

		break;

	case SNDRV_PCM_FORMAT_S24_LE:

	case SNDRV_PCM_FORMAT_S32_LE:

		fmt |= SUN4I_SPDIF_TXCFG_FMT24BIT;

		break;

	default:
@@ -526,9 +529,10 @@ static const struct regmap_config sun4i_spdif_regmap_config = { 


#define SUN4I_RATES	SNDRV_PCM_RATE_8000_192000



#define SUN4I_FORMATS	(SNDRV_PCM_FORMAT_S16_LE | \

				SNDRV_PCM_FORMAT_S20_3LE | \

				SNDRV_PCM_FORMAT_S24_LE)

#define SUN4I_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \

				SNDRV_PCM_FMTBIT_S20_3LE | \

				SNDRV_PCM_FMTBIT_S24_LE | \

				SNDRV_PCM_FMTBIT_S32_LE)



static struct snd_soc_dai_driver sun4i_spdif_dai = {

	.playback = {