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: Marcus Cooper <codekipper@gmail.com>
Link: https://patch.msgid.link/20241111165600.57219-4-codekipper@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c
index 5a9407aaa1a1959fa8bbab6758e59c79890ccc67..41caf1795d09bb7d156b02e9cf58cd56fa65dcd1 100644 (file)
--- a/sound/soc/sunxi/sun4i-spdif.c
+++ b/sound/soc/sunxi/sun4i-spdif.c
@@ -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 = {